manualshive.com logo in svg

SANRAD I3.1.1205, User Manual, Page: 15 / 348

Share
Download
SANRAD I3.1.1205 User Manual Download Page 15

 

 

Table of Contents  

ix

 

lu details.................................................................................................................................................................11-66

 

lu remove ...............................................................................................................................................................11-67

 

lu statistics show ....................................................................................................................................................11-67

 

Monitoring and Statistics.............................................................................................. 11-67

 

system hardware show ..........................................................................................................................................11-68

 

interface statistics show .........................................................................................................................................11-68

 

interface statistics details .......................................................................................................................................11-69

 

ip statistics ip show ................................................................................................................................................11-69

 

ip statistics icmp show ...........................................................................................................................................11-70

 

tcp connection show ..............................................................................................................................................11-70

 

tcp statistics show ..................................................................................................................................................11-71

 

udp listeners show .................................................................................................................................................11-71

 

udp statistics show.................................................................................................................................................11-72

 

CHAPTER 12: 

 

 Monitoring & Statistics ..................................................12-1

 

Health Monitoring ............................................................................................................ 12-2

 

system hardware show ............................................................................................................................................12-2

 

Interface Statistics........................................................................................................... 12-3

 

interface statistics show ...........................................................................................................................................12-3

 

interface statistics details .........................................................................................................................................12-3

 

TCP/IP Statistics .............................................................................................................. 12-4

 

ip statistics ip show ..................................................................................................................................................12-4

 

ip statistics icmp show .............................................................................................................................................12-5

 

tcp connection show ................................................................................................................................................12-5

 

tcp statistics show ....................................................................................................................................................12-6

 

udp listeners show ...................................................................................................................................................12-6

 

udp statistics show...................................................................................................................................................12-7

 

iSCSI Session Statistics.................................................................................................. 12-7

 

iscsi session show ...................................................................................................................................................12-7

 

iscsi session details .................................................................................................................................................12-8

 

iscsi session statistics ..............................................................................................................................................12-9

 

iSCSI Connection Statistics.......................................................................................... 12-10

 

iscsi session connection show ...............................................................................................................................12-10

 

iscsi session connection details .............................................................................................................................12-10

 

SCSI Port Statistics ....................................................................................................... 12-11

 

scsi target port statistics.........................................................................................................................................12-11

 

Remote iSCSI Initiator Statistics .................................................................................. 12-12

 

iscsi rinitiator show.................................................................................................................................................12-12

 

iscsi rinitiator list.....................................................................................................................................................12-12

 

iscsi rinitiator statistics show ..................................................................................................................................12-13

 

Logical Unit (LU) Statistics ........................................................................................... 12-13

 

Summary of Contents for I3.1.1205

Page 1: ......

Page 2: ...nd remain solely with SANRAD StoragePro Management System is a registered trademark of SANRAD No right license or interest to such trademark is granted hereunder and you agree that no such right license or interest shall be asserted by you with respect to such trademark Contact SANRAD Technical Support US Offices 24 7 North Central South America 800 471 2616 International Office 24 7 972 3 767 485...

Page 3: ...g but not limited to warranties of merchantability and fitness for a particular purpose and in no event shall SANRAD be liable for consequential damages SANRAD shall not be liable to any person for any special or indirect damages including but not limited to lost profits from any cause whatsoever arising from or in any way connected with the manufacture sale handling repair maintenance or use of t...

Page 4: ...re designed to provide reasonable protection against harmful interference when the V Switch is operated in a commercial environment The V Switch generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to the radio communications Operation of the V Switch in a residential area is likely to cause har...

Page 5: ...er panels serve three important functions they prevent exposure to hazardous voltages and currents inside the chassis they contain electromagnetic interference EMI shields that might disrupt other equipment and they direct flow of cooling air through the chassis Do not operate the system unless all cards and faceplates are in place This product relies on the building s wiring for short circuit ove...

Page 6: ...SPCLI3 1 1205 SANRAD V Switch CLI User Manual ...

Page 7: ...ization 1 4 CLI Command Line Interface 1 5 Technical Assistance 1 6 CHAPTER 2 Installing the V Switch 2000 2 1 Chassis 2 2 Front Panel 2 2 Back Panel 2 3 System Indicator LEDs 2 4 Surface Mounting 2 5 Rack Mounting 2 5 Storage Port Connections 2 7 Network Port Connections 2 9 Console Port Connection 2 10 Powering Up 2 10 ...

Page 8: ...Management Parameters 4 6 Changing General Management Parameters 4 6 Changing the Telnet Communications Port 4 9 Traps and SNMP 4 9 Adding User Login Profiles 4 11 Configuring the Storage Ports 4 11 Viewing SCSI Storage Ports and Bus IDs 4 12 Setting a SCSI Storage Port Bus ID 4 12 Viewing the FC Port Information 4 13 Configuring an FC Storage Port 4 13 Viewing the V Switch World Wide Node Name 4 ...

Page 9: ...luster Communications 5 8 Enabling and Disabling Failover 5 9 Further V Switch Cluster Configurations 5 9 Viewing V Switch Neighbor Details 5 10 Managing a Cluster 5 11 CHAPTER 6 Volume Configuration 6 1 Introduction to Volume Configuration 6 2 Identifying Available Storage Devices 6 3 Creating a Transparent Volume 6 6 Creating a Subdisk LUN Carving 6 8 Creating a Simple Volume 6 11 Creating a Con...

Page 10: ...line 8 2 Mirror versus Snapshot 8 2 Actual Capacity versus Potential Capacity 8 2 Resizing versus Expanding 8 2 Copying a Volume Off line Copy 8 3 Synchronizing a Volume 8 3 Adding a Child to a Mirror On line Copy 8 4 Creating a Snapshot 8 8 Deactivating and Activating a Snapshot Volume 8 13 Viewing Snapshot Volumes 8 14 Snapshot Rollback 8 15 volume snapshot rollback show 8 15 volume snapshot rol...

Page 11: ...e 10 9 Downloading a V Switch Configuration File 10 10 Network Interfaces 10 11 Changing an Interface Alias 10 11 Adding an Interface IP Address 10 11 Removing an Interface IP Address 10 12 IP Routing 10 13 Adding an IP route 10 13 Removing an IP route 10 14 Disks and Subdisks 10 15 Discovering Storage Devices 10 15 Renaming a Storage Device 10 16 Removing a Storage Device 10 16 Renaming a Subdisk...

Page 12: ...11 9 pscsi show 11 10 pscsi set busid 11 10 snmp manager show 11 10 snmp manager add 11 10 device set 11 11 snmp manager remove 11 12 ip config show 11 12 ip config set 11 12 ip config remove 11 13 ip route default 11 13 ip route add 11 13 ip route show 11 14 ip route remove 11 14 ip isns show 11 15 ip isns add 11 15 ip isns remove 11 16 neighbor add 11 16 neighbor set 11 16 neighbor show 11 17 ne...

Page 13: ...e hierarchy 11 31 volume create simple 11 32 volume create transparent 11 32 volume create mirror 11 32 volume create concatenated 11 33 volume create striped 11 33 volume set 11 34 volume remove 11 34 volume remove all 11 35 volume replace 11 35 volume mirror sync show 11 36 volume mirror sync start 11 36 volume mirror sync abort 11 37 volume copy create 11 37 volume copy show 11 37 volume copy a...

Page 14: ... 52 iscsi rinitiator statistics show 11 53 iscsi discovery rportal show 11 53 iscsi discovery rportal set 11 53 iscsi discovery rportal discover 11 54 iscsi discovery rportal add 11 54 iscsi discovery rportal remove 11 54 acl show 11 55 acl details 11 55 acl add 11 56 acl set 11 56 acl rem 11 57 acl identity show 11 57 acl identity details 11 57 acl identity create 11 58 acl identity delete 11 58 ...

Page 15: ...face statistics show 12 3 interface statistics details 12 3 TCP IP Statistics 12 4 ip statistics ip show 12 4 ip statistics icmp show 12 5 tcp connection show 12 5 tcp statistics show 12 6 udp listeners show 12 6 udp statistics show 12 7 iSCSI Session Statistics 12 7 iscsi session show 12 7 iscsi session details 12 8 iscsi session statistics 12 9 iSCSI Connection Statistics 12 10 iscsi session con...

Page 16: ...e 2 9 V Switch 2000 Console Port 2 10 Figure 2 10 V Switch 2000 Power Supplies 2 11 Figure 3 1 V Switch 3000 Front Panel 3 2 Figure 3 2 V Switch 3000 Back Panel 3 3 Figure 3 3 V Switch 3000 LEDs 3 4 Figure 3 4 V Switch 3000 Storage Ports 3 6 Figure 3 5 V Switch 3000 Storage Port LEDs 3 7 Figure 3 6 V Switch 3000 Network Ports 3 8 Figure 3 7 V Switch 3000 Console Port 3 9 Figure 3 8 V Switch 3000 M...

Page 17: ...r 7 4 Figure 7 5 Identities Coupled with Targets 7 5 Figure 7 6 Access Rights per Identity Target Pair 7 6 Figure 7 7 iSCSI Initiator in Two Different Identities 7 7 Figure 7 8 Identity with iSCSI Initiators and Credentials 7 8 Figure 7 9 Modifying Default Identities 7 9 Figure 7 10 Creating a Target 7 12 Figure 7 11 Creating an Identity 7 17 Figure 7 12 Adding an Initiator 7 19 Figure 7 13 Adding...

Page 18: ...ogin Window A 5 Figure A 3 Microsoft iSCSI Initiator A 7 Figure A 4 Portal Configuration A 8 Figure A 5 Available Target A 8 Figure A 6 Disk Management Window A 9 Figure A 7 Replacing a Failed Disk A 10 Figure A 8 Replicating Data Off line A 13 Figure A 9 IP Routing Topology A 17 Figure A 10 V Switch 3000 Login Screen A 19 Figure A 11 Microsoft iSCSI Initiator A 22 Figure A 12 Portal Configuration...

Page 19: ...e Details 6 5 Table 6 3 Volume Details 6 8 Table 6 4 Details of all Subdisks 6 10 Table 7 1 iSCSI Targets 7 13 Table 7 2 iSCSI Target Details 7 13 Table 7 3 Default Identity Target Access 7 14 Table 7 4 Identity Details 7 24 Table 7 5 Configured RADIUS IP Addresses 7 27 Table 7 6 Details of all LUNs 7 33 Table 8 1 All Snapshot Volumes 8 14 Table 8 2 All Snapshots of a Specific Volume 8 15 Table 10...

Page 20: ... 11 37 Advanced iSCSI Session Connection Details 11 51 Table 11 38 SCSI Target Port Statistics 11 52 Table 11 39 Remote iSCSI Initiators 11 52 Table 11 40 Remote iSCSI Initiators for a Specific Target 11 52 Table 11 41 Target Access per Identity 11 55 Table 11 42 Access Control per Target 11 55 Table 11 43 iSCSI Initiators in an Identity 11 57 Table 11 44 Identity Details 11 58 Table 11 45 RADIUS ...

Page 21: ...on Details 12 11 Table 12 18 SCSI iSCSI Initiator Port Statistics 12 11 Table 12 19 All Connected Remote iSCSI Initiators 12 12 Table 12 20 Connected Remote iSCSI Initiators on a Target 12 12 Table 12 21 LU Statistics 12 13 Table A 1 Console Configuration Parameters A 4 Table A 2 iSCSI Portal A 5 Table A 3 Storage Devices A 6 Table A 4 Storage Devices A 11 Table A 5 Failed Storage Disk Removed A 1...

Page 22: ...xvi SANRAD V Switch CLI User Manual ...

Page 23: ...t provides a single easy to use connectivity and management platform for administration of small to Enterprise class storage resources The V Switch enables a network administrator to create and manage virtual storage volumes using SANRAD s Volume Manager The Volume Manager supports the creation and combination of concatenated striped RAID 0 and mirrored RAID 1 volumes The Volume Manager provides f...

Page 24: ... V Switch provides the ability to connect via both SCSI and FC protocols including FC clouds increasing the number of potential attached storage devices The V Switch can be used in two modes iSCSI bridging switch Storage virtualization switch End to end Fibre Channel protocol networks are expensive to implement As an iSCSI bridging switch the V Switch acts as a protocol bridge between storage devi...

Page 25: ...ch Network Topology Order of Operations Whether being used as a bridging switch between FC or SCSI and iSCSI or as a storage virtualization switch the V Switch is operated in the following manner STEP 1 CONNECT THE V SWITCH TO THE REQUISITE DEVICES AND NETWORKS POWER UP THE V SWITCH STEP 2 CONFIGURE THE V SWITCH AND ITS INTERFACES STEP 3 CREATE VIRTUAL VOLUMES FROM THE PHYSICAL DISKS STEP 4 ASSIGN...

Page 26: ...ure V Switches for a dual V Switch cluster environment Chapter 6 Volume Configuration Describes how to configure and create transparent simple concatenated mirrored and striped volumes Chapter 7 Volume Exposure Security Describes how to selectively and securely expose and manage host access to volumes Chapter 8 Advanced Volume Operations Describes how to configure online and offline mirror copies ...

Page 27: ...wer case Inputted data can include upper case letters but must always subsequently be entered in the same case The CLI command prompt is All CLI commands in this manual are listed first with the basic command followed by a table of command switches their explanations status mandatory or optional and an example for each command switch as shown in Table 1 2 Table 1 2 CLI Command volume create transp...

Page 28: ...technical assistance you can contact SANRAD Technical Support at US and Americas 1 866 301 8155 International 972 3 7574855 techsupport sanrad com For further information on SANRAD and the SANRAD family of products please refer to http www sanrad com For more information on iSCSI SCSI protocols and SCSI related topics refer to iSCSI http www ietf org rfc rfc3347 txt iSCSI MIB http www ietf org int...

Page 29: ...nnections Console Port Connection Powering Up The V Switch 2000 is a 1U high performance storage networking appliance that can be surface or rack mounted After mounting the V Switch 2000 connect the requisite cables The V Switch 2000 contains the following Two storage port connections Two network port connections One console port connection One onboard AC power supply ...

Page 30: ...ludes the console port network ports storage ports system indicator LEDs and reset button Its back panel includes the fans and power supply Front Panel 1 RS232 console port 2 Two 1 Gb copper Ethernet network port interfaces 3 Two SCSI or two FC storage port interfaces 4 Reset push button 10203 1 2 3 4 Figure 2 1 V Switch 2000 Front Panel SCSI ...

Page 31: ...Chapter 2 Installing the V Switch 2000 2 3 10209 1 2 3 4 Figure 2 2 V Switch 2000 Front Panel FC Back Panel 5 Fans 6 Power supply 10214 5 6 Figure 2 3 V Switch 2000 Back Panel ...

Page 32: ...or 1 ACT NETWORK PORT IS ACTIVE GREEN SLOW BLINK ACTIVE FAST BLINK PORT TRAFFIC 2 1GB NETWORK PORT IS OPERATING AT 1 GB GREEN 3 SCSI FC STORAGE PORT IS FUNCTIONING GREEN 3 LNK STORAGE PORT IS FUNCTIONING AT 1 OR 2GB GREEN 1 GB ORANGE 2 GB 4 POWER ALL POWER SUPPLIES FUNCTIONING GREEN 5 SYS OK ALL SYSTEMS FUNCTIONING PROPERLY GREEN 10204 1 2 1 2 3 3 5 4 Figure 2 4 V Switch 2000 LEDs SCSI ...

Page 33: ... mounted alone or two V Switches can be joined and mounted together in a single 1U space The V Switch 2000 is shipped with an accessory packet of hardware This packet includes four non identical L brackets and twelve bracket screws for rack mounting You need the following tools to rack mount the V Switch 2000 A Philips screwdriver suitable for L bracket screws Four rack post screws and clips if ne...

Page 34: ...ket in front of the lip of the right V Switch L bracket Attach the two V Switches by inserting two screws through the front holes of the overlapping L brackets STEP 4 ATTACH THE REAR L BRACKET If a single V Switch is being mounted attach the rear L bracket to the left side of the V Switch If dual V Switches are being mounted attach a second rear L bracket to the right side of the right V Switch as...

Page 35: ...ntains a storage auto discovery function At power up the V Switch 2000 automatically scans for and registers all attached and powered up network storage devices If you are building a V Switch 2000 cluster power up each disk one at a time after connecting them to the powered up V Switches This allows each disk to be numbered with the same default disk number on each V Switch 2000 during auto discov...

Page 36: ...R UP TO 550M SHORT WAVE SFP LONG WAVE LASER FOR SINGLE MODE FIBER UP TO 10KM LONG WAVE SFP Your exact port configuration will depend on your V Switch 2000 order specifications COPPER 1 GBIT UP TO 25M When connecting more than one V Switch 2000 to a group of storage devices ensure that the same port on each V Switch 2000 is used to connect to the same storage device This increases the chance of the...

Page 37: ...a single server to the V Switch 2000 and allow other server to access the volume via file sharing Install volume sharing software to coordinate the read write functionalities and data synchronization between servers The network ports support all of the following Table 2 4 Network Port Cable Connections CABLE LENGTH SFP 1000BASE TX TWISTED PAIR OVER CATEGORY 5 UTP UP TO 100M __ 10206 Copper RJ45 Ne...

Page 38: ...upply is protected against electrical surges and needs at least 5 seconds between power down and power up You can power up the V Switch 2000 once you have connected and powered up the storage devices The V Switch 2000 contains a storage auto discovery function At power up the V Switch 2000 automatically scans for and registers all attached and powered up network storage devices Therefore power up ...

Page 39: ...000 powers up The Power indicator LED on the front right of the V Switch 2000 turns green Each network port 1 Gb indicator LED turns green only if connected to the network and operating at 1 Gb Each storage port indicator LED on the front right of the V Switch 2000 is green if connected to storage With FC storage the LED is green if connected to storage operating at 1 Gb and amber if connected to ...

Page 40: ...2 12 SANRAD V Switch CLI User Manual ...

Page 41: ...ability Port Powering Up The V Switch 3000 is a 1U high performance storage networking appliance that can be surface or rack mounted After mounting the V Switch 3000 connect the requisite cables The V Switch 3000 contains the following Up to four storage port connections Three network port connections One management port connection One console port connection One Compact Flash CF slot One scalabil...

Page 42: ...s redundant power supplies compact flash and console port Front Panel 1 LCD display 2 LCD display programming buttons 3 One 10 100 Management Port 4 Three 1 Gb Ethernet Network Ports both copper and FO interfaces 5 System Indicator LEDs 10215 2 5 1 3 4 SFP RJ45 4 4 Figure 3 1 V Switch 3000 Front Panel Back Panel 6 Two four SCSI Fibre Channel Storage Ports 7 Dual fault tolerant power supplies 8 Rem...

Page 43: ...L SYSTEMS FUNCTIONING PROPERLY GREEN 3 SCALE SCALABILITY PORT IS FUNCTIONING CURRENTLY NOT SUPPORTED GREEN 4 ACT MANAGEMENT PORT IS ACTIVE GREEN ON ACTIVE BLINKING PORT TRAFFIC 5 100 MANAGEMENT PORT IS OPERATING AT 100 MBPS GREEN 6 ACT NETWORK PORT IS ACTIVE GREEN SLOW BLINK ACTIVE FAST BLINK PORT TRAFFIC 7 1GB SCSI NETWORK PORT IS OPERATING AT 1 GB GREEN 1 GB 8 SCSI STORAGE PORT IS FUNCTIONING GR...

Page 44: ... on a 19 inch rack The V Switch 3000 is shipped with an accessory packet of hardware This packet includes two L brackets two rear mounts one left and one right and ten bracket screws for mounting the L brackets You need the following tools to rack mount the V Switch 3000 A Philips screwdriver suitable for L bracket screws Eight rack post screws and clips if necessary suitable for the equipment rac...

Page 45: ... of the rack coordinating the V Switch mount connection and one at the front of the rack inserting the V Switch Slide the V Switch 3000 into the rack making sure to position the V Switch 3000 to rest on the rear mounts The rear mounts may turn inward slightly before the V witch 3000 is inserted If the V Switch does not enter easily push the mount lips outward slightly while inserting the V Switch ...

Page 46: ...0 cluster power up each disk one at a time after connecting them to the powered up V Switches This allows each disk to be numbered with the same default disk number on each V Switch 3000 during auto discovery This will make cluster configuration easier For more information on V Switch clusters see Introduction to V Switch Clusters page 74 SCSI Fibre Channel Storage Ports 10239 Figure 3 4 V Switch ...

Page 47: ... are four storage ports LEDs labeled FC SCSI 1 2 3 4 on the front right of the V Switch 3000 for up to four storage ports 10217 Storage Port LEDs Figure 3 5 V Switch 3000 Storage Port LEDs Network Port Connections The network ports labeled Eth 1 2 3 are located on the front right of the V Switch 3000 Use the 1Gb Ethernet ports to connect to the network or directly to the host station Each network ...

Page 48: ...nection from the SFP optical transceiver The SFP optical transceiver must also be removed from the fiber optic connector Only then can the port activity switch to a copper connection When configuring your network topology keep in mind that the current initiator technology does not support volume access by more than one server at a time There are two methods for allowing multi server access to a vo...

Page 49: ...ght cable to connect a console or dumb terminal to the V Switch 3000 for system configuration Console Port 10240 Figure 3 7 V Switch 3000 Console Port Management Port Connection The management port labeled 10 100 mgmt is located on the front center of the V Switch 3000 Use this 10 100 port to connect a host station either directly or via a network to the V Switch 3000 When connecting directly to t...

Page 50: ... 10 10076 act LED 100 LED Figure 3 9 V Switch 3000 Management Port LEDs LCD The LCD is located on the front left of the V Switch 3000 The LCD has two rows of 16 characters each in addition to six control buttons Use the LCD buttons and display for initial V Switch 3000 configurations immediately after power up For more information on configuring the V Switch 3000 via LCD refer to Configuring the V...

Page 51: ... supported currently The scalability port labeled Scalability is located on the back lower left side of the V Switch 3000 The scalability port is a V Switch 3000 interconnectivity port Using SANRAD s proprietary scalability cable two V Switches can be connected and synchronized to function as one V Switch 3000 to provide resource sharing and computational power increase Scalability Port 10241 Figu...

Page 52: ...switch 100V 230V AC redundant power supplies Redundant Power Supplies 10242 Figure 3 13 V Switch 3000 Power Supplies Reconfirm that all storage devices are powered up and connected to the V Switch Plug the power cables into the V Switch 3000 power supplies and then into the power source Push the power switch to the ON position The V Switch 3000 powers up The Power indicator LED on the front right ...

Page 53: ... or the RS232 console port for both the V Switch 3000 and the V Switch 2000 Once the management port is configured any other V Switch configuration can be executed through the management port or continued through the RS232 console port Disks and LUNs connected to the storage ports are discovered and registered automatically Introduction to Managing the V Switch Initial V Switch Configuration Chang...

Page 54: ...ement terminal Telnet SSH SP server connects to the V Switch s dedicated 10 100 management port via a fast Ethernet network refer to A Figure 4 1 The V Switch s default IP 10 11 12 123 can be used to connect to the V Switch from remote via telnet In band The management terminal Telnet SSH SP server connects to the V Switch s Eth1 port The Eth1 port is used by the V Switch for management as well as...

Page 55: ...agement In Band Management Cloud IP Cloud RS232 port Clients Management Terminal Clients Console Modem Fast Ethernet Network 10 100 port 10 100 port Gb port Gb port RS232 port Modem A C C B Clients Console Telnet Station Figure 4 1 V Switch Management Options ...

Page 56: ...2 port Telnet session LCD Buttons only for V Switch 3000 Telnet SSH Connection To initialize the V Switch via telnet SSH session 1 Change your computer s IP Address to anything on the same subnet 10 11 12 2 Connect to the management port on the V Switch 3 Telnet to 10 11 12 123 4 Enter Username and Password sanrad You will be asked to accept or change the default values for 1 Set the default IP Ad...

Page 57: ...the appropriate port on the management server and open a Terminal session Set the following parameters in the terminal PARAMETER SYSTEM REQUIREMENT CONFIG SERIAL PORT COMX ACCORDING TO YOUR PHYSICAL PORT CONNECTION BITS PER SECOND 115200 DATA BITS 8 PARITY NONE STOP BITS 1 FLOW CONTROL NONE EMULATION AUTODETECT Figure 4 2 Terminal Properties ...

Page 58: ...Management Parameters After logging in to the V Switch you can change the general management parameters and Telnet communications port as well as add user login profiles and hardware temperature scale Changing General Management Parameters You can change V Switch management parameters IP address and mask or UDP port number as well as include details of whom to contact in the event of technical dif...

Page 59: ...L TIME OPTIONAL 13 30 c CONTACT CONTACT PERSON IN THE EVENT OF A SYSTEM MALFUNCTION OPTIONAL AnnaLevin loc LOCATION LOCATION OF THE CONTACT PERSON OPTIONAL ext4838 rld REPORT LUN DISCOVERY MODE FOR DISCOVERING DEVICE LUNS OPTIONAL YES OR NO DEFAULT YES no telnet TELNET PORT PORT FOR V SWITCH COMMUNICATIONS OPTIONAL DEFAULT 23 1597 rcom READ COMMUNITY COMMUNITY TO GET INFORMATION OPTIONAL DEFAULT P...

Page 60: ...ations and the attached SAN Checking the V Switch Configurations After setting the general V Switch Management configurations you can use the CLI command info to access the V Switch Configuration table and view the current configuration including whom to contact in the event of technical difficulties info Table 4 1 V Switch Configuration Parameter Value Name VSwitch1 Description SW Version 2 0 bui...

Page 61: ... be viewed by an SNMP manager console Any SNMP manager using the correct default read and write communities can get and set MIB variables If you are working with StoragePro the V Switch GUI management system StoragePro will automatically add itself as the SNMP manager The default SNMP communities are public for read and private for write The default communities can be changed by an administrator A...

Page 62: ...on through the private community snmp manager add ip 212 199 43 96 p 162 rcom public wcom private trap yes Setting SNMP Communities You can set SNMP read and write communities to regulate SNMP manager access to variables Use the CLI command device set to change the default read and write SNMP communities Use the CLI command info to check the default communities device set You need to define two pa...

Page 63: ...ll characters including spaces Example admin add You need to define two parameters to configure a user profile SWITCH PARAMETER DEFINITION STATUS EXAMPLE un USER NAME USER NAME MANDATORY Joe Cool pw PASSWORD USER PASSWORD MANDATORY 6 CHARACTER MINIMUM 123456 Example admin add un Joe Cool pw 123456 For information on changing or removing user profiles please see User Profiles Configuring the Storag...

Page 64: ...et Net eth2 00081a000111 ETHERNET eth3 Gigabit Ethernet Net eth3 00081a000112 Viewing SCSI Storage Ports and Bus IDs Use the CLI command pscsi show to view all SCSI storage ports and their corresponding SCSI bus ID pscsi show Alias BusID pscsi3 12 pscsi4 7 Setting a SCSI Storage Port Bus ID Each storage port connected to a SCSI device must have a SCSI bus ID Use the CLI command pscsi set busid to ...

Page 65: ...ch default configuration for FC connections is 1 GB nl port in a public loop If you want to change the default configuration each storage port connected to an FC device can be reconfigured to change the connection speed port type and connection mode Use the CLI command fc set to change the FC storage port communication speed the port type or connection mode fc set You need to define four parameter...

Page 66: ...e located on a separate subnet Each network port can have more than one IP address Use the CLI command ip config set to assign IP parameters Once configured each network port will provide an access point for hosts to the storage network Once access is gained a host will be able to read from and or write into the storage network ip config set You need to define three parameters to configure each ne...

Page 67: ...lusters Example The IP address 212 199 43 56 is assigned to the 1 Gb Ethernet port Eth1 ip config set ip 212 199 43 56 if eth1 act 1 10224 212 199 43 56 Figure 4 3 Ethernet Port 1 IP Address Checking the IP Configurations After setting the management and network port IP addresses you can use the CLI command ip config show to access the IP Configuration Table and view all assigned port IP addresses...

Page 68: ...st network IP address from a port but you cannot remove the management IP address from Eth1 If you are working in a cluster the IP address must be removed from both V Switch databases For more information on V Switch clusters see Introduction to V Switch Clusters ip config remove You need to define one parameter to remove a network port IP address SWITCH PARAMETER DEFINITION STATUS EXAMPLE ip IP A...

Page 69: ...overy Session SLP iSNS iSCSI Discovery Session The V Switch supports iSCSI discovery sessions for reporting iSCSI targets to iSCSI initiators A V Switch network IP address must be configured on the iSCSI initiator for the initiator to connect to and discover the V Switch s attached iSCSI targets SLP The V Switch supports Service Location Protocol SLP by acting as an SLP Service Agent SA No configu...

Page 70: ...ed as having access to the target See Volume Exposure Security ip isns add You need to define one parameter to add an iSNS server address SWITCH PARAMETER DEFINITION STATUS EXAMPLE ip IP ADDRESS IP ADDRESS OF ISNS SERVER MANDATORY 212 199 43 1 Use the CLI command ip isns show to view all added iSCSI server addresses ip isns show Table 4 4 iSNS Servers 212 199 56 45 Deleting an iSNS Server Use the ...

Page 71: ...tomatically during a communication session If you are working in a V Switch cluster each portal must be created on both V Switches in the V Switch cluster For more information on V Switch clusters see Introduction to V Switch Clusters iscsi portal create You need to define two parameters to configure an iSCSI portal SWITCH PARAMETER DEFINITION STATUS EXAMPLE ip IP ADDRESS USER ASSIGNED NETWORK POR...

Page 72: ...I Portals You can remove an iSCSI portal using the CLI command iscsi portal remove Only after all iSCSI portals related to an IP address are removed from a port can the IP address be removed from the port If you are working in a cluster the portal must be removed from both V Switch databases For more information on V Switch clusters see Introduction to V Switch Clusters iscsi portal remove You nee...

Page 73: ...his command displays iSCSI remote portals iscsi discovery rportal show iscsi discovery rportal set This command allows you to set the interval period for the V Switch to poll the network for iSCSI targets iscsi discovery rportal set SWITCH PARAMETER DEFINITION STATUS EXAMPLE ip IP ADDRESS IP ADDRESS OF NETWORK PORT MANDATORY 212 199 43 70 port TCP PORT TCP PORT FOR ISCSI COMMUNICATION OPTIONAL DEF...

Page 74: ...OPTIONAL DEFAULT 3260 5003 iscsi discovery rportal add This command adds an iSCSI remote portal iscsi discovery rportal add SWITCH PARAMETER DEFINITION STATUS EXAMPLE ip IP ADDRESS IP ADDRESS OF NETWORK PORT MANDATORY 212 199 88 22 port TCP PORT TCP PORT FOR ISCSI COMMUNICATION OPTIONAL DEFAULT 3260 5003 period PERIOD PERIOD FOR REDISCOVER IN SECONDS OPTIONAL DEFAULT 1800 Example Add the iSCSI rem...

Page 75: ...external network port The IP route begins with a specified network port on the V Switch and ends at the external network IP address Just as each IP address is unique each IP routing path is unique There can be only one IP route to a given external network IP address per V Switch In Figure 4 6 you have two V Switches connected to three different LANs A B C In turn each LAN is connected to at least ...

Page 76: ... to hosts located on external networks Use the CLI command ip route add to add an IP routing path to your V Switch If you are working in a V Switch cluster you must configure the IP route on both V Switches in the V Switch cluster For more information on V Switch clusters see Introduction to V Switch Clusters ip route add You need four parameters to configure an IP routing path SWITCH PARAMETER DE...

Page 77: ...wo interfaces 10 100 MBits Mgnt Interface or 1GBits ETH1 Interface This gateway is used for any IP address not specified in the V Switch routing table Use the CLI command ip route default to set the default gateway IP address for management and Eth1 To change the default gateway repeat the command with the new default gateway IP address ip route default You need two parameters to configure a defau...

Page 78: ... 200 69 Viewing IP Routes After creating an IP routing path to an external network you can view it and any other configured IP routing path Use the CLI command ip route show to view a V Switch s routing table ip route show Table 4 6 V Switch IP Routing Paths Dest IP Address Dest Mask Interface Gateway TOS 10 10 20 20 255 255 255 0 Eth2 30 30 20 20 10 12 40 40 255 255 255 0 Eth3 20 22 11 11 Removin...

Page 79: ...S NETWORK PORT TO OPEN COMMUNICATION THROUGH MANDATORY eth3 Example The routing path to destination network IP 10 12 40 0 IP mask 255 255 255 0 is removed from network port Eth3 ip route remove dip 10 12 40 0 dmask 255 255 255 0 if eth3 You have now configured all basic V Switch parameters If you are creating a V Switch cluster continue with Configuring a Cluster If you are still working with a si...

Page 80: ...4 28 SANRAD V Switch CLI User Manual ...

Page 81: ...red between two V Switches using CLI or SANRAD s StoragePro management GUI We recommend using StoragePro for its simplicity of use particularly for cluster configuration For more information on configuring a cluster using StoragePro consult the StoragePro User Manual and on line help system If you prefer to use CLI continue with this chapter If your network still contains only one V Switch you can...

Page 82: ...itch is defined per volume In Figure 5 1 two V Switches are connected to one JBOD From the four physical disks two virtual volumes have been created both equally accessible to both V Switches SANRAD V Switches are both fully operational in a cluster No V Switch must sit in stand by mode Both V Switches are also connected to two hosts via the IP SAN The volume exposure of the two virtual volumes is...

Page 83: ...t 2 iSCSI Target 2 wwui2 iSCSI Target 1 wwui1 Vol 2 LU0 Vol 1 LU0 JBOD Figure 5 1 V Switch Cluster Configuration When working in a cluster the V Switch can support a maximum of 100 portals 50 active and 50 inactive Clusters also provide high availability in the event of V Switch failover Each network port on the V Switch is configured with its own active or functioning IP addresses as well as inac...

Page 84: ...ntinues to access Volume 1 through the same IP address as it did before its V Switch went off line Host 1 has no way of knowing that its regular V Switch is off line Host 1 s storage performance is not impacted by the off line V Switch 10268 Cloud IP SAN IP1 inactive IP2 inactive IP2 active IP1 active Tower box Host 2 iSCSI initiator Vol 2 Vol 1 Tower box Host 1 iSCSI initiator V Switch 1 V Switch...

Page 85: ...D is set to 1 device set id 1 In V Switch 2 the ID is set to 0 device set id 0 Adding a Neighbor All CLI names and aliases are case sensitive When you configure a cluster you must tell each V Switch that it has a neighbor and how to contact its neighbor Use the CLI command neighbor add to inform each V Switch of its neighbor You must inform each V Switch of its neighbor in a cluster That means tha...

Page 86: ...N STATUS EXAMPLE nb NEIGHBOR ALIAS OF NEIGHBOR TO ADD TO CLUSTER MANDATORY VSwitch2 ip IP ADDRESS IP ADDRESS OF MGMT PORT ON NEIGHBOR MANDATORY 212 199 43 75 Example A V Switch is informed that it has a neighbor VSwitch2 and that it can establish communication with VSwitch2 via IP address 212 199 43 75 neighbor add nb VSwitch2 ip 212 199 43 75 ...

Page 87: ... Cloud IP SAN IP1 active 212 199 43 90 IP2 inactive 212 199 43 75 IP2 active 212 199 43 75 IP1 inactive 212 199 43 90 Tower box Host 2 iSCSI initiator Vol 2 Vol 1 Tower box Host 1 iSCSI initiator V Switch 1 V Switch 2 JBOD 1 Disk 1 Disk 2 Disk 4 Disk 3 iSCSI Target 2 wwui2 iSCSI Target 1 wwui1 Vol 2 LU0 Vol 1 LU0 IP1 Target 1 IP2 Target 2 IP 212 199 43 75 IP 212 199 43 90 Figure 5 3 Cluster with N...

Page 88: ...5 MANDATORY 12 Example pscsi set busid if pscsi3 id 12 Maintaining Cluster Communications Once a V Switch knows that it has a neighbor it begins sending out a regular keep alive signal to its neighbor that it is on line The V Switch also begins listening for the keep alive signal from its neighbor The keep alive signal is transmitted through all connecting paths between each neighbor Thus if one p...

Page 89: ...mand cluster failover enable to enable this functionality This command must be executed on both V Switches in the cluster cluster failover enable If you want to break a cluster or need to take a V Switch off line you must first disable V Switch failover Use the CLI command cluster failover disable to disable this functionality This command must be executed on both V Switches in the cluster cluster...

Page 90: ...details of a neighbor in a cluster neighbor details You need to define one parameter to list neighbor details SWITCH PARAMETER DEFINITION STATUS EXAMPLE nb NEIGHBOR ALIAS OF NEIGHBOR IN CLUSTER MANDATORY VSwitch2 Table 5 2 Neighbor Details Neighbor Name VSwitch2 IP Address 212 199 43 75 Last Received Keep Alive 3 Status Alive Lock Status srOpen A neighbor s status can be alive suspicious or dead T...

Page 91: ...US EXAMPLE nb NEIGHBOR ALIAS NEIGHBORING V SWITCH IN CLUSTER OPTIONAL VSwitch2 ip NEIGHBOR MANAGEMENT IP ADDRESS MANAGEMENT IP OF THE NEIGHBORING V SWITCH OPTIONAL 212 199 43 75 Use the CLI command neighbor remove to remove a neighbor from a cluster neighbor remove You need to define two parameters to remove a neighbor SWITCH PARAMETER DEFINITION STATUS EXAMPLE nb NEIGHBOR ALIAS NEIGHBORING V SWIT...

Page 92: ... PARAMETER DEFINITION STATUS EXAMPLE kai KEEP ALIVE INTERVAL TIME BETWEEN ALIVE SIGNALS FROM NEIGHBORS OPTIONAL DEFAULT 2 SEC 5 sint SUSPICIOUS INTERVAL TIME FROM WHEN A SIGNAL WAS EXPECTED BUT NOT RECEIVED OPTIONAL DEFAULT 6 SEC 10 fint FAILOVER INTERVAL TIME WHEN SUSPICIOUS INTERVAL IS EXCEEDED OPTIONAL DEFAULT 10 SEC 10 ...

Page 93: ...ge devices or leave the physical disk as is These physical volumes can then be used to create the following types of virtual volumes Transparent Simple Concatenated Striped Mirrored RAID 10 and 0 1 Introduction to Volume Configuration Identifying Available Storage Devices Creating a Transparent Volume Creating a Subdisk LUN Carving Creating a Simple Volume Creating a Concatenated Volume Creating a...

Page 94: ...See the example in Figure 6 1 The Volume Manager names all disks automatically during the auto discovery process For FC this name includes FC disk s World Wide Unique Identifier WWUI serial number For SCSI this name includes the SCSI disk port number and SCSI bus ID This name is important in identifying disks for re creating volume hierarchies on both V Switches in a cluster 10070 JBOD 1 JBOD 2 Di...

Page 95: ...ions Enabled denotes an attached and functioning storage device Storage is missing denotes that a storage device was previously registered and has since lost its connection to the V Switch Invalid denotes a storage device that was connected removed and reconnected with a different storage size Unknown denotes that a storage device is connected but is issuing parameters not understandable to the V ...

Page 96: ...and storage blink abort to stop the blinking before the end of the set time storage blink abort You need to define one parameter to stop blinking a storage device SWITCH PARAMETER DEFINITION STATUS EXAMPLE s STORAGE DEVICE ALAIS OF DEVICE TO BLINK MANDATORY Stor_1 Once a storage device has been identified use the CLI command storage set to change the device alias or include helpful information on ...

Page 97: ...K DEVICE MANDATORY Disk2JBOD5 wce WRITE CACHE ENABLED WRITE CACHE FUNCTION MANDATORY YES OR NO yes The V Switch also recognizes all write protected storage devices Use the CLI command storage details to view a device s details including if it is write protected storage details You need to define one parameter to view a disk s details SWITCH PARAMETER DEFINITION STATUS EXAMPLE s STORAGE ALIAS OF ST...

Page 98: ...create transparent A transparent volume is ready for direct host exposure Please refer to Chapter 7 Volume Exposure Security Certain vendor storage devices have vendor specific SCSI commands To support these SCSI commands you can convert these storage devices and their contained data to transparent volumes This is useful if you have a functioning and fully configured RAID module that you want to u...

Page 99: ...rent 1 This RAID device has only one LUN For each LUN configured on a RAID device the V Switch registers a disk Therefore a RAID device with five LUNs will appear to the V Switch as five disks volume create transparent vol Trans1 d Disk1 10101 Trasparent Volume 1 RAID Controller Disk 1 LUN0 Figure 6 2 Transparent Volume 1 After creating the transparent volume you can use the CLI command volume sho...

Page 100: ...sk only the defined area is converted into a subdisk You must individually convert each disk area into a subdisk for the physical volume to be usable by the Volume Manager 10065 Disk Disk Simple 2 Simple n Simple 1 Subdisk 2 Subdisk n Subdisk 1 Disk Figure 6 3 Partitioning a Physical Volume subdisk create You need to define four parameters to create a subdisk SWITCH PARAMETER DEFINITION STATUS EXA...

Page 101: ...fore a subdisk is created on it Disk 3 Disk 7 Disk 8 10066 JBOD 1 JBOD 2 Disk 4 Disk 2 Disk 5 Disk 6 Disk 1 Figure 6 4 Disk 1 before Subdisk If you are working in a V Switch cluster this volume must be configured on both V Switches In Figure 6 5 Subdisk 1 has been created on Disk 1 The subdisk is 18 000 000 blocks long 9 GB The Volume Manager begins counting the 18 000 000 blocks from block 0 subd...

Page 102: ...sks You can use the CLI command subdisk details to view the details of the created subdisk subdisk details You need to define one parameter to view subdisks SWITCH PARAMETER DEFINITION STATUS EXAMPLE d DISK ALIAS ALIAS OF DISK TO SHOW SUBDISKS FROM OPTIONAL USE THIS SWITCH TO LIST ONLY THE DETAILS OF A SPECIFIC DISK Disk1 This command calls up the following table Table 6 4 Details of all Subdisks ...

Page 103: ...ith 2 Subdisks Creating a Simple Volume The V Switch supports a maximum of 512 volumes Before you can build concatenated mirrored and striped volumes you must create simple volumes from each disk or subdisk in your storage network A physical disk or subdisk is converted directly to a virtual simple volume A simple volume differs from a transparent volume in that virtual volume hierarchies can be b...

Page 104: ...CIAL DISK WAS DIVIDED INTO SUBDISKS MANDATORY ASSIGN AN ALIAS TO EITHER A DISK OR A SUBDISK Subdisk1 d DISK ALIAS ALIAS OF THE DISK IN WHICH TO CREATE THE VOLUME MANDATORY ASSIGN AN ALIAS TO EITHER A DISK OR A SUBDISK If you are working in a V Switch cluster this volume must be configured on both V Switches Assigning a volume alias is optional If you do not include a volume alias in the command th...

Page 105: ...17999999 17999999 512 Internal Creating a Concatenated Volume The V Switch supports a maximum of 512 volumes To accommodate large volumes of data or to best utilize small volumes spread over several disks you can concatenate physical volumes across storage devices to create a larger virtual volume In Figure 6 9 the volume is divided into two equitable chunks to be mapped across two disks Data bloc...

Page 106: ...e a concatenated volume SWITCH PARAMETER DEFINITION STATUS EXAMPLE vol VOLUME NAME USER ASSIGNED VOLUME NAME MANDATORY Concat1 nbc NUMBER OF CHILDREN NUMBER OF VOLUMES OR CHILDREN FROM WHICH TO BUILD STRIPED VOLUME OPTIONAL DEFAULT 2 3 ch CHILD FIRST VOLUME CHILD TO COMBINE MANDATORY Simple5 ch CHILD SECOND VOLUME CHILD TO COMBINE MANDATORY Simple12 ch CHILD N VOLUME CHILD TO COMBINE MANDATORY Sim...

Page 107: ...at 1 Data is read written first to Simple 5 When the data chunk gets to the end of Simple 5 it continues with Simple 12 reflecting the volume order as entered in the CLI command volume create concatenated vol Concat1 ch Simple5 ch Simple12 Disk 3 Disk 4 Simple 2 Disk 1 Simple 1 Simple 4 Simple 3 Disk 2 Simple 8 Disk 5 Simple 7 Simple 10 Disk 6 Simple 9 Disk 7 Disk 8 10064 Simple 5 Simple 6 Simple ...

Page 108: ...lock is then written alternately between blocks on Disks 1 and 2 The striped unit size in this example is one block 10022 Virtual Volume Physical Volume Disk 1 S2 S3 S1 S4 S10 S11 S9 S12 S6 S7 S5 S8 S14 S15 S13 S16 S2 S3 S1 S4 S10 S11 S9 S12 S6 S7 S5 S8 S14 S15 S13 S16 Disk 2 B1 B2 B3 B4 B5 B6 B7 B8 Striped Volume Figure 6 11 Striped Volume Block Distribution volume create stripe You need to defin...

Page 109: ...ss is two Therefore you only need to specify the number of children for numbers greater than two Example If you are working in a V Switch cluster this volume must be configured on both V Switches In Figure 6 12 a striped volume Stripe 1 is created across four children Simple 2 Simple 4 Simple 8 and Simple 10 The striped unit size is 100 blocks meaning that in each read write function 100 blocks of...

Page 110: ...ata backups The V Switch supports a maximum of 512 volumes A mirrored volume is synchronously written into two or more volumes Mirrored volumes provide protection against data loss from a physical disk crash To be a true mirror and realize the full potential of a mirror the mirrored volumes must be located on different physical disks In Figure 6 13 data block 1 is mapped to both block 5 on Disk 1 ...

Page 111: ...ION STATUS EXAMPLE vol VOLUME ALIAS USER ASSIGNED ALAIS FOR THE MIRRORED VOLUME MANDATORY Mirrored1 nbc NUMBER OF CHILDREN NUMBER OF CHILDREN IN MIRRORED VOLUME OPTIONAL DEFAULT 2 MAX 4 ch CHILD NAME OF EACH CHILD TO INCLUDE IN THE MIRROR MANDATORY Simple6 ch CHILD NAME OF EACH CHILD TO INCLUDE IN THE MIRROR MANDATORY Simple11 Example If you are working in a V Switch cluster this volume must be co...

Page 112: ...command volume mirror sync This is done on line while the source volume is still exposed See how to expose volumes Chapter 7 Volume Exposure Security Data can also be replicated offline using the CLI command volume copy create On line data replication is slower but allows the source volume to remain on line with no interruption of service to the volume host s Off line replication is faster than on...

Page 113: ...e RAID 10 first creates mirrored volumes and then creates a striped volume of the mirrored volumes This gives the advantage of both high performance and data redundancy In Figure 6 15 in the first mirrored volume data block 1 is mapped to both block 1 on Disk 1 and block 1 on Disk 2 Data blocks 3 5 and 7 are mapped to blocks 2 3 and 4 on both Disks 1 and 2 In the second mirrored volume data block ...

Page 114: ... S6 S7 S5 S8 Disk 1 S2 S3 S1 S4 Disk 4 S14 S15 S13 S16 S10 S11 S9 S12 S6 S7 S5 S8 B1 B2 B3 B4 B5 B6 B7 B8 B2 B4 B6 B8 B1 B3 B5 B7 RAID 1 Mirroring RAID 0 Striping Figure 6 15 RAID 10 Volume Block Distribution Example If you are working in a V Switch cluster this volume must be configured on both V Switches In Figure 6 16 to begin creating a RAID 10 volume a mirrored volume Mirror 2 is created usin...

Page 115: ...061 Simple 5 Simple 6 Simple 11 Simple 12 JBOD 1 JBOD 2 Mirrored Volume 2 Figure 6 16 First Mirrored Volume of RAID 10 If you are working in a V Switch cluster this volume must be configured on both V Switches Next in Figure 6 17 another mirrored volume Mirror 3 is created using two children Simple 3 and Simple 9 volume create mirror vol Mirror3 ch Simple3 ch Simple9 ...

Page 116: ... of RAID 10 If you are working in a V Switch cluster this volume must be configured on both V Switches Finally in Figure 6 18 a striped volume Stripe 2 is created using the two mirrored volumes as children Mirror 2 and Mirror 3 The striped unit size is 100 blocks meaning that in each read write function 100 blocks of data are read written first into Mirror 2 then Mirror 3 and then back to Mirror 2...

Page 117: ...imple 7 Simple 10 Disk 6 Simple 9 Disk 7 Disk 8 10063 Simple 5 Simple 6 Simple 11 Simple 12 JBOD 1 JBOD 2 Striped Volume 2 Mirrored Volume 2 Mirrored Volume 3 Figure 6 18 Striped Volume of RAID 10 To create a RAID 0 1 volume invert the commands and first create a striped volume and then mirrored volumes of the stripe ...

Page 118: ...6 26 SANRAD V Switch CLI User Manual ...

Page 119: ...ed your virtual volumes and storage hierarchies you want to expose them securely to hosts using the iSCSI protocol Up to this point all volumes created are invisible and inaccessible to network hosts This chapter explains how to create iSCSI targets assign LUNs to volumes and attach LUNs to iSCSI targets This enables hosts with installed iSCSI initiators to view and access the exposed volumes This...

Page 120: ...ors and targets have a World Wide Unique Identifier WWUI of up to 256 free form characters e g www sanrad vswitch1 target1 You create a V Switch target by assigning an alias and WWUI to it You assign a Logical Unit Number LUN to a volume and then attach the LUN to an iSCSI target to expose the volume to hosts When creating targets keep in mind that Each target can have multiple LUNs Each target mu...

Page 121: ...ead and write into the volume Identities To allow selective iSCSI initiator access to iSCSI target volumes the V Switch uses identities to define pools of initiators An identity is a user defined list of iSCSI initiators An identity can contain from one to multiple initiators with each initiator having a unique WWUI 10148 Ident A wwui2 wwui1 wwui10 wwui9 wwui8 wwui7 wwui6 wwui5 wwui4 wwui3 Figure ...

Page 122: ...SI initiator 8 is in both Identity A and B An iSCSI initiator can be listed in multiple identities 10150 Ident A wwui2 wwui1 wwui10 wwui9 wwui8 wwui7 wwui4 wwui3 Ident B wwui6 wwui5 Ident C Ident B Figure 7 4 Identity C s iSCSI Initiator In Figure 7 4 there is only one iSCSI initiator in Identity C WWUI10 Identities are coupled with iSCSI targets to limit iSCSI initiator access to a target s under...

Page 123: ...l 4 Vol 2 Vol 3 Vol 5 Vol 6 Figure 7 5 Identities Coupled with Targets In Figure 7 5 Identity A is coupled with both Targets 1 and 2 Identity B is coupled with Target 3 Identity C is coupled with Target 4 As a result each iSCSI initiator has access to the following volumes ISCSI INITIATOR VOLUMES ACCESSIBLE WWUI1 fVOL1 fVOL2 fVOL3 WWUI2 fVOL1 fVOL2 fVOL3 WWUI3 fVOL4 WWUI4 fVOL4 WWUI5 fVOL1 fVOL2 f...

Page 124: ...4 iSCSI Target 3 wwui23 Ident A Ident C Ident B Vol 1 Vol 4 Vol 2 Vol 3 Vol 5 Vol 6 Read Write Read Write Read Only Read Write Figure 7 6 Access Rights per Identity Target Pair In Figure 7 6 Identity A is coupled with both Target 1 and Target 2 The Identity A Target 1 pair is assigned iSCSI initiator read write access to Target 1 volumes The Identity A Target 2 pair however is assigned iSCSI initi...

Page 125: ...sition 1 and Identity A is assigned position 2 iSCSI initiator WWUI8 will be granted read only access Authentication The V Switch supports the authentication methods CHAP and SRP for the iSCSI initiator The credentials for CHAP and SRP are the combination of user name password An authentication method is assigned per identity and not per iSCSI initiator An identity can be assigned one or both auth...

Page 126: ...B but only four user name password credentials Certain initiators have the same user name password configured on them Default Identity When you create a target it is automatically coupled to a default identity The default identity gives un authenticated read write access to all iSCSI initiators The default identity is assigned position 0 meaning it is the last scanned Unlike user created identitie...

Page 127: ...tities for Target 1 and Target 2 have been modified to not accessible NA for all initiators Remember that the default identity is in position 0 so it is the last position scanned by the V Switch Target 1 is coupled with Identity A with read write RW access to Identity A iSCSI initiators meaning WWUI1 Target 2 is coupled with Identity B with read write RW access to Identity B iSCSI initiators meani...

Page 128: ... be attached to more than one target Each target is first automatically coupled to a default read write un authenticated access identity Each target can have more than one identity Creating an iSCSI Target All CLI names and aliases are case sensitive You can create all of your iSCSI targets using the CLI command iscsi target create These targets will have no initial associated LUNs and will not be...

Page 129: ...T WWUI USER ASSIGNED WORLD WIDE UNIQUE IDENTIFIER FOR THE TARGET MANDATORY sanrad billing device DEVICE ALIAS OF V SWITCH TO EXPOSE TAREGT ON MANDATORY VSwitch1 Example If you are working in a V Switch cluster each target must be configured on both V Switches The target finance is created on V Switch 1 The WWUI of Finance is billing sanrad as shown in Figure 7 10 iscsi target create ta finance tn ...

Page 130: ...177n V Switch1 Cloud IP SAN Tower box Tower box iqn 1991 05 microsoft steven sanrad iSCSI initiator iSCSI initiator finance sanrad billing Default all RW iqn com cisco steven iqn 1991 05 microsoft wilbur sanrad Figure 7 10 Creating a Target ...

Page 131: ... CLI command iscsi target details to view the details of an iSCSI target iscsi target details SWITCH PARAMETER DEFINITION STATUS EXAMPLE ta TARGET ALIAS USER ASSIGNED ALIAS FOR ISCSI TARGET MANDATORY Finance Table 7 2 iSCSI Target Details Target Alias nms153 Target Name eui 00081affff012345 CHAP User Name sanrad Status OK Number of Ports 1 Port Name eui 00081affff012345 t 0 Number of LUs 2 Login F...

Page 132: ...et will be read write accessible to all iSCSI initiators When a target is created a default access control identity is automatically assigned to its position 0 The default identity allows all hosts read write access to the target and its underlying volume s If you want to specify other access rights you must change the general read write access Use the CLI command acl set to modify a target s acce...

Page 133: ... IDENTITY MANDATORY DEF_ALL acc ACCESS ACCESS RIGHTS TO TARGET DEFAULT RW RW READ WRITE RO READ ONLY NA NOT ACCESSIBLE OPTIONAL na pos POSITION IDENTITY RANK IN ACCESS RIGHT EVALUATION SCAN DEFAULT NEXT HIGHEST AVAILABLE NUMBER OPTIONAL 0 Example The default access rights for the target finance are changed to not accessible meaning a non specific host is not allowed access to the target finance ac...

Page 134: ...CSI initiators Each identity can be assigned one or both login authentication methods Each identity can be attached to more than one target Each target is first automatically coupled to a default read write un authenticated access identity Each target can have more than one identity acl identity create You need to define two parameters to create an identity SWITCH PARAMETER DEFINITION STATUS EXAMP...

Page 135: ...n V Switch1 Cloud IP SAN Tower box Tower box iqn 1991 05 microsoft steven sanrad iSCSI initiator iSCSI initiator finance sanrad billing Default all NA iqn com cisco steven iqn 1991 05 microsoft wilbur sanrad accounting Figure 7 11 Creating an Identity ...

Page 136: ...orized host to request access to a target The host must be requesting access from the correct iSCSI initiator Use the CLI command acl identity add name to add iSCSI initiators to an identity Repeat this command to add all of the desired host initiators to the identity acl identity add name You need to define two parameters to add an initiator an identity SWITCH PARAMETER DEFINITION STATUS EXAMPLE ...

Page 137: ... steven sanrad acl identity add name id accounting name iqn 1991 05 microsoft steven sanrad 10179n V Switch1 Cloud IP SAN Tower box Tower box iqn 1991 05 microsoft steven sanrad iSCSI initiator iSCSI initiator finance sanrad billing Default all NA iqn com cisco steven iqn 1991 05 microsoft wilbur sanrad accounting microsoft steven Figure 7 12 Adding an Initiator ...

Page 138: ...entity add name id accounting name iqn com cisco steven 10180n V Switch1 Cloud IP SAN Tower box Tower box iqn 1991 05 microsoft steven sanrad iSCSI initiator iSCSI initiator finance sanrad billing Default all NA iqn com cisco steven iqn 1991 05 microsoft wilbur sanrad accounting microsoft steven cisco steven Figure 7 13 Adding a Second Initiator ...

Page 139: ...selected character strings In the event of a failover if each identity does not require authentication on both V Switches each attached identity will have free access to the target s underlying volumes If you are working with a Microsoft initiator and configuring target authentication note that the V Switch exchanges the final character in the password with a zero Therefore do not configure initia...

Page 140: ...l identity add chap id accounting us steven pw oneveryhotdude 10181n V Switch1 Cloud IP SAN Tower box Tower box iqn 1991 05 microsoft steven sanrad iSCSI initiator iSCSI initiator finance sanrad billing Default all NA iqn com cisco steven iqn 1991 05 microsoft wilbur sanrad accounting steven oneveryhotdude microsoft steven cisco steven Figure 7 14 Assigning Credentials ...

Page 141: ...ifferent initiators on the same host acl identity add chap id accounting us steven pw ilovecookies 10182n V Switch1 Cloud IP SAN Tower box Tower box iqn 1991 05 microsoft steven sanrad iSCSI initiator iSCSI initiator finance sanrad billing Default all NA iqn com cisco steven iqn 1991 05 microsoft wilbur sanrad accounting steven oneveryhotdude microsoft steven cisco steven steven ilovecookies Figur...

Page 142: ...ng in a V Switch cluster the RADIUS server must be configured on both V Switches When CHAP user names and passwords are configured on the network in a remote RADIUS server use the CLI command acl identity add chap to direct a CHAP challenge to the RADIUS server and eliminate the need to configure all user name password pairs on the V Switch This decreases configuration time and increase overall ne...

Page 143: ...e sanrad billing Default all NA iqn 1991 05 microsoft wilbur sanrad accounting steven oneveryhotdude microsoft steven cisco steven Tower box RADIUS Server Yes RADIUS Authentication No CHAP Authentication iqn com cisco steven steven ilovecookies iqn 1991 05 microsoft steven sanrad Figure 7 16 Sending a CHAP Authentication Challenge ...

Page 144: ...On Example In Figure 7 17 the V Switch is configured to relay CHAP challenges to the identity accounting from the user steven to the RADIUS server The V Switch is configured to communicate with the RADIUS server through port 1812 to IP address 212 199 43 2 The V Switch RADIUS key is DataTurnsMeOn The user password is not configured on the V Switch The RADIUS server authenticates the user password ...

Page 145: ...ower box RADIUS Server CHAP Authentication steven oneveryhotdude RADIUS Authentication steven ilovecookies iqn 1991 05 microsoft steven sanrad User steven PW oneveryhotdude Key DataTurnsMeOn allow Figure 7 17 Logging in to a RADIUS Server Viewing Configured RADIUS Servers Use the CLI command ip radius show to view all configured RADIUS server IP addresses ip radius show Table 7 5 Configured RADIUS...

Page 146: ...ty it is granted that identity s access rights If not the V Switch continues to position 1 The V Switch does not scan all identities to determine which most specifically fits the host Therefore identities must be positioned in decreasing specificity to function correctly The V Switch scans for the first fit and not the best fit An identity can be connected to more than one target to provide the sa...

Page 147: ...or identity can be created with read write access and placed in position 0 acl add ta finance id accounting acc rw pos 1 10184n V Switch1 Cloud IP SAN Tower box Tower box iqn 1991 05 microsoft steven sanrad iSCSI initiator iSCSI initiator Finance billing sanrad Default all NA iqn com cisco Steven iqn 1991 05 microsoft wilbur sanrad Accounting steven oneveryhotdude microsoft steven cisco steven ste...

Page 148: ...e a new target Expose an existing target The CLI command volume expose new creates a new iSCSI target assigns a volume LUN and then exposes the new target After creating a target and LU0 you can add additional LUNs to the target using the CLI command volume expose without the new switch volume expose If you are working in a V Switch cluster each target and LUN must be configured on both V Switches...

Page 149: ...quired vol VOLUME ALIAS ALIAS OF VOLUME TO CREATE LU0 AND TARGET FOR MANDATORY Vol1 ta TARGET ALIAS USER ASSIGNED ALIAS OF TARGET TO CREATE MANDATORY finance lun LU NUMBER USER ASSIGNED LUN FOR EXPOSING VOLUME MANDATORY ON EXISTING TARGET 0 tn TARGET WWUI USER ASSIGNED WORLD WIDE UNIQUE IDENTIFIER FOR THE TARGET MANDATORY ON A NEW TARGET sanrad billing device DEVICE ALIAS OF V SWITCH TO EXPOSE TAR...

Page 150: ...The exposing device is VSwitch1 volume expose vol Vol1 ta finance lun 0 10185n V Switch1 Cloud IP SAN Tower box Tower box iqn 1991 05 microsoft steven sanrad iSCSI initiator iSCSI initiator finance sanrad billing Default all NA iqn com cisco steven iqn 1991 05 microsoft wilbur sanrad accounting steven oneveryhotdude microsoft steven cisco steven steven ilovecookies RW Vol 1 LU0 Figure 7 19 Exposin...

Page 151: ...cbox The volume Concat1 is automatically assigned LU0 and attached to the target musicbox on VSwitch1 volume expose new vol Concat1 ta musicbox tn sanrad musicbox device VSwitch1 Viewing LUNs You can view all created LUNs using the CLI command lu show lu show Table 7 6 Details of all LUNs LUN Tgt Alias Volume Oper Status 0 pilote Stripe1 Active 0 spirou Concat2 Active 1 pilote Mir1 Active 0 lucky ...

Page 152: ...7 34 SANRAD V Switch CLI User Manual ...

Page 153: ...off line volume copy Create an on line volume copy Break a mirror to remove a child Create a snapshot Increase a volume s capacity Introduction to Advanced Volume Configurations Copying a Volume Off line Copy Synchronizing a Volume Adding a Child to a Mirror On line Copy Creating a Snapshot Breaking a Mirror me ing a Resizing a Volu Expand Volume Chapter 8 Advanced Volume Operations 8 1 ...

Page 154: ...ource volume during the data replication it is slower than off line data replication Mirror versus Snapshot A mirrored volume copy is a full complete volume copy A snapshot is only a record of changes to a volume Because of this its capacity can be smaller than a mirrored volume copy by as much as eighty percent Both a mirrored volume copy and a snapshot can be exposed to a host like any other vol...

Page 155: ...cute another volume operation while a volume synch operation is underway on any volume in a hierarchy This includes a snapshot operation If one child of a mirrored volume the source already contains data the data can be replicated to the second child the destination using the CLI command volume mirror sync This can be done on line while the source volume is still exposed or off line while both the...

Page 156: ...er of children in a mirrored volume or creating a mirrored copy of any other type of volume except transparent and snapshot volumes you can use the CLI command volume mirror add Since this is on line data replication the source volume does not need to be taken off line and write operations to the source volume can continue while the mirror is being created Any data written to the volume will be in...

Page 157: ... adds a level to the hierarchy The new mirrored volume becomes the head of the volume hierarchy The new mirrored volume automatically assumes the LUN from the concatenated volume For more information on attaching volumes to LUNs Chapter 7 Volume Exposure and Security Creating a mirror from a single volume creates data redundancy Adding an extra child to a mirror does not create data redundancy It ...

Page 158: ...ed volume SWITCH PARAMETER DEFINITION STATUS EXAMPLE vol VOLUME SOURCE VOLUME TO ADD MIRROR TO MANDATORY Mirror5 ch CHILD NEW CHILD TO ADD TO MIRROR MANDATORY Simple10 no sync NO SYNCHRONIZATION DISABLE AUTOMATIC MIRROR SYNC OPTIONAL NO SYNC IF USED No parameter required Example In Figure 8 3 the simple volume Sim6 is added as the third child to mirrored volume Mir4 volume mirror add vol Mir4 ch S...

Page 159: ... Sim4 1T 1T Figure 8 3 Adding Sim6 to Mir4 Use the CLI command volume mirror show to view the status of all mirror synchronizations volume mirror show Source Destination Oper Status Admin Status Progress Sim4 Sim6 Operating Synchroniz e 60 Ch1 Ch3 Ended OK Dummy 100 Simle10 Simple12 Ended error Abort ...

Page 160: ...ust be allocated for the backup volume A snapshot can be built on any volume hierarchy but once created cannot be used as a child in another volume hierarchy This means that a snapshot can be created on a mirror volume with two children However after the snapshot is created a mirror volume cannot be created using the snapshot as one of the children to copy the snapshot volume Figure 8 4 shows a so...

Page 161: ...an alert is sent to resize the volume See Resizing a Volume A snapshot volume contains a table of pointers detailing which volume to read from the source or the snapshot for each sector For this reason the full capacity of a snapshot volume is not available for source copying The table size is Size of Source Volume in blocks 256 Size of a Block in Snapshot 4 Deleting a snapshot volume has no effec...

Page 162: ...s to create an inactive snapshot volume SWITCH PARAMETER DEFINITION STATUS EXAMPLE vol VOLUME SNAPSHOT NAME MANDATORY Snapshot1 src SOURCE SOURCE OF SNAPSHOT MANDATORY QATesting ch CHILD SNAPSHOT CHILD MANDATORY Snapshot1 lt LOAD THRESHOLD PERCENTAGE FULL AT DESTINATION TO TRIGGER AN ALARM OPTIONAL DEFAULT 80 75 Example Figure 8 6 shows a source volume with its first snapshot when the snapshot is ...

Page 163: ...H A N B S U N P T Figure 8 7 Update to 1st Snapshot 1st Write to Source Figure 8 8 shows the creation of a second snapshot and a second write operation to the source volume The original data N A and P from sectors 5 9 and 13 are first copied to the Snapshot 1 2 and then the new data B E and B are written to the source volume Because snapshot volumes are independent of each other the original data ...

Page 164: ...igure 8 8 2nd Snapshot Created Update to 1st Snapshot 2nd Snapshot and Write to Source Figure 8 9 shows the creation of a third snapshot and a third write operation to the source volume The original data S H O and T from sectors 4 8 12 and 16 are first copied to the Snapshot 1 2 and 3 and then the new data D S A and S are written to the source volume volume create activate snapshot vol Snapshot3 s...

Page 165: ...o 1st 2nd Snapshot and Write to Source Deactivating and Activating a Snapshot Volume An activated snapshot volume can be deactivated Deactivating a snapshot maintains the snapshot volume associated with its source volume but it deactivates the copy old on write recording to the snapshot volume while it is deactivated A deactivated snapshot can be reactivated Reactivating a snapshot erases the cont...

Page 166: ...show Use this command to view the source and snapshot volumes the time the snapshot was created and the percent capacity utilization At user defined load threshold utilization an alert to resize the snapshot is sent volume snapshot show Table 8 1 All Snapshot Volumes Source Snapshot Date Time Utilization Mirror3 Snp1Mir3 12 12 02 13 00 00 80 Mirror3 Snp2Mir3 12 12 02 14 00 00 60 You can view all s...

Page 167: ...allows you to rollback to the original state of the volume volume snapshot rollback show This command shows status of snapshot rollback volume snapshot rollback show volume snapshot rollback start This command starts snapshot rollback volume snapshot rollback start SWITCH PARAMETER DEFINITION STATUS EXAMPLE snap SNAPSHOT SNAPSHOT SOURCE VOLUME MANDATORY Mirro2 force FORCE DON T USE INTERACTIVE MEN...

Page 168: ... child can be used for testing online server free backup or online data migration If you break a mirrored volume that is attached to a LUN the remaining volume retains the attached LUN Write operations to the source volume can continue while the mirror is being broken or a child removed but the removed child s data cannot be guaranteed to mirror the source volume Therefore all write operations sho...

Page 169: ...d is removed from a mirrored volume with two children This breaks the mirror If the mirrored volume is exposed or attached to a LUN the source volume retains the LUN There is no need to reassign a LUN to the remaining source volume All read write operations will be executed without a break in service 10192 LU0 Mir Con Ch 2 LU0 Con Vol X LU0 Able to be exposed as an independent volume Figure 8 11 B...

Page 170: ...OR IS ADDING TO MANDATORY Mirror5 ch CHILD CHILD TO BREAK FROM MIRROR MANDATORY Simple10 Example In Figure 8 12 the simple volume Sim5 is removed from mirrored volume Mir1 volume mirror break vol Mir1 ch Sim5 10249 Mir1 Sim5 1T Sim1 1T Sim3 1T 1T Mir1 Sim5 1T Sim1 1T Sim3 1T 1T Able to be exposed as an independent volume Figure 8 12 Removing Sim5 from Mir1 Resizing a Volume ...

Page 171: ...capacity is the capacity that the server recognizes a virtual volume as having Resizing a volume is done while the top level volume in the hierarchy is exposed on an iSCSI target Simple snapshot concatenated and previously resized volumes can be resized Resizing a volume concatenates a new volume with the source volume Only a simple volume can be used to resize a simple or snapshot volume After on...

Page 172: ... 13 Asymetrical Mirrored Volume When a simple or snapshot volume is resized with another simple volume the first step in their resize concatenation is the creation of a cube A cube is a special type of volume intermediary created for resizing a volume through concatenation In Figure 8 14 the original connection to the child to resize is broken and transferred to the cube A cube s default alias is ...

Page 173: ...Sim1 2T 10258 Sim3 1T Sim2 1T XSim2 3T Sim4 1T Figure 8 16 Further Resizing on the Same Volume If a volume to be resized is a concatenated volume a cube is not created and any volume type can be used except transparent or snapshot In Figure 8 17 a concatenated volume with a potential capacity of two terabytes is resized to a potential capacity of three terabytes by the addition of a one terabyte c...

Page 174: ... Concatenated Volume volume resize You need to define three parameters to resize a volume SWITCH PARAMETER DEFINITION STATUS EXAMPLE vol VOLUMEE VOLUME TO RESIZE MANDATORY Ch2 a ALIAS ALIAS OF RESIZED VOLUME OPTIONAL IF NO NAME IS GIVEN THE PREFIX X IS ADDED TO THE SOURCE NAME XCh2 with VOLUME VOLUME TO RESIZE WITH MANDATORY Sim Example ...

Page 175: ...ube volume XSim 2 volume resize vol Sim2 a XSim2 with Sim3 Mir Sim2 1T 1T Sim1 2T Sim3 1T Mir 1T Sim1 2T 10259 Sim3 1T Sim2 1T XSim2 2T Figure 8 18 Resizing Mirrored Child Retracting a Volume After resizing a volume but before expanding its hierarchy you can use the CLI command volume retract to delete the added volume s used to resize the original volume The head of the volume hierarchy is retrac...

Page 176: ... potential capacity using the CLI command volume expand If you do not expand the resized volume its resized capacity will not be available for storage use After expanding a volume its host s file server will show its new capacity but the disk partition will not expand automatically The host must expand the disk partition In Figure 8 19 a concatenated volume is expanded from two terabytes to an act...

Page 177: ...volumes was resized and expanded to two terabytes Mir 1T Sim1 2T Sim3 1T Sim2 1T XSim2 2T Mir5 2T Sim1 2T 10260 Sim3 1T Sim2 1T XSim2 2T Figure 8 20 Expanding a Mirrored Volume volume expand You need to define one parameter to expand a volume SWITCH PARAMETER DEFINITION STATUS EXAMPLE vol VOLUME VOLUME TO EXPAND MANDATORY XSim2 ...

Page 178: ...actual capacity of two terabytes to match its resized potential capacity Once XSim2 is expanded the capacity of Mir5 will automatically adjust itself to two terabytes volume expand vol XSim2 Mir 1T Sim1 2T Sim3 1T Sim2 1T XSim2 2T Mir5 2T Sim1 2T 10260 Sim3 1T Sim2 1T XSim2 2T Figure 8 21 Expanding XSim2 ...

Page 179: ... identities and credentials Volumes Volumes Targets and Exposure Renaming a Volume If you are working in a V Switch cluster the volume must be renamed on both V Switches After creating a volume you can rename it Renaming a volume will have no negative effect on the volume hierarchies built on the renamed volume volume set You need to define two parameters to rename a volume SWITCH PARAMETER DEFINI...

Page 180: ...ume hierarchy For example you cannot remove a simple volume from within a set of volumes creating a striped volume The striped volume is at the top of the hierarchy must be removed first volume remove You need to define one parameter to remove a volume SWITCH PARAMETER DEFINITION STATUS EXAMPLE vol VOLUME ALIAS ALIAS OF TOP LEVEL VOLUME TO REMOVE MANDATORY Stripe1 Example The top level volume Stri...

Page 181: ...the volume must be removed on both V Switches You can remove a volume and all of its component volumes in a volume hierarchy The volume must be at the top of the hierarchy The volume cannot be exposed the volume LUN must be inactivated Simple volumes will convert back to subdisks volume remove all You need to define one parameter to remove all volumes within a volume hierarchy SWITCH PARAMETER DEF...

Page 182: ...erarchy Removed Replacing a Volume If you are working in a V Switch cluster the volume must be replaced on both V Switches You can replace a volume with another volume Use the CLI command volume replace after a disk failure to replace a volume used in a storage hierarchy with a volume on a functional disk This is only a physical replacement The data on the failed disk is not copied to the new volu...

Page 183: ...ng example Appendix A Replacing a Mirrored Volume volume mirror sync You need to define two parameters to synchronize a volume SWITCH PARAMETER DEFINITION STATUS EXAMPLE src SOURCE VOLUME ORIGINAL VOLUME TO SYNCHRONIZE TO MANDATORY Simple3 dst DESTINATION VOMUE NEW VOLUME TO ADD TO SYNCHRONINZE MANDATORY Simple5 Example The volume Simple3 is synchronized to the volume Simple5 volume mirror sync sr...

Page 184: ...oth V Switches lun LOGICAL UNIT NUMBER LU TO REMOVE FROM THE TARGET MANDATORY 8 Example lu remove ta Accounting lun 8 Changing iSCSI Target Parameters If you are working in a V Switch cluster the target alias must be changd on both V Switches This command renames a target alias Renaming the alias will have no negative effect on the target exposure iscsi target set You need to define two parameters...

Page 185: ...rget remove ta musicbox Removing a RADIUS Server Use the CLI command ip radius remove to remove a RADUIS server from the V Switch ip radius remove You need to define one parameter to remove an iSNS server address SWITCH PARAMETER DEFINITION STATUS EXAMPLE ip IP ADDRESS IP ADDRESS OF RADIUS SERVER MANDATORY 212 199 43 1 p PORT UDP PORT FOR SENDING REQUESTS TO RADIUS SERVER MANDATORY 1812 Removing a...

Page 186: ...9 8 SANRAD V Switch CLI User Manual ...

Page 187: ...onfiguration parameters interface IP addresses IP routing paths cluster configurations and replace a power supply This chapter also explains how to upgrade the V Switch software and reboot the V Switch in safe mode General Configuration Parameters Telnet Port SNMP Manager iSNS Server User Profiles V Switch Network Interfaces IP Routing Disks and Subdisks Clusters V Switch 3000 Power Supply Upgradi...

Page 188: ...TER DEFINITION STATUS EXAMPLE If you are working in a V Switch cluster the changes must be configured in both V Switches n NAME USER ASSIGNED NAME FOR THE V SWITCH OPTIONAL VSwitch1 ip MANAGEMENT IP ADDRESS IP ADDRESS OF THE MANAGEMENT PORT OPTIONAL 212 199 43 47 im MANAGEMENT IP MASK IP MASK FOR THE MANAGEMENT PORT OPTIONAL DEFAULT 255 255 255 0 p UDP PORT PORT THROUGH WHICH ALL UDP COMMUNICATION...

Page 189: ...extension 4838 is the contact person in the event of technical difficulties device set n VSwitch1 ip 212 199 43 46 d 21 04 2004 t 13 30 c AnnaLevin loc ext4838 if eth1 Telnet Port If you are working in a V Switch cluster the interface alias must be changed on both V Switches If your Telnet communications connection to the V Switch traverses a firewall the standard Telnet communications port 23 may...

Page 190: ...arameter Value Name VSwitch1 Description SDC HW 1 0 SW 1 0 Contact Anna Levin Location Ext 4838 Status OK Object ID 1 3 6 1 4 1 10059 1 1 2 Time Since Last Reset 12 days 17 hours 29 min 32 sec Mgmt IP Address 212 199 43 47 Mgmt UDP Port 161 Date Time DD MM YY 21 04 04 13 33 Telnet Port 1597 Eth Up FC Up Read Community Public Write Community Private ...

Page 191: ...IP ADDRESS MANAGER IP ADDRESS MANDATORY 212 199 43 96 p UPD PORT PORT TO RECEIVE TRAPS THROUGH OPTIONAL DEFAULT 162 150 np NEW PORT NEW PORT FOR RECEIVING TRAPS OPTIONAL 151 rcom READ COMMUNITY COMMUNITY TO GET INFORMATION OPTIONAL DEFAULT PUBLIC wcom WRITE COMMUNITY COMMUNITY TO SET INFORMATION OPTIONAL DEFAULT PRIVATE trap TRAP TO SEND TRAPS TO MANAGER OPTIONAL YES SEND NO DO NOT SEND DEFAULT YE...

Page 192: ...iators in the IP SAN to locate the V Switch targets automatically Adding an iSNS Server Use the CLI command ip isns add to add an iSCSI server to the V Switch s iSNS client Targets defined by the V Switch s Access Control List ACL as having controlled access are accessible only to those servers defined as having access to the target ip isns add You need to define one parameter to add an iSNS serve...

Page 193: ...or removed The user name can have from one to twenty characters The user password can have from six to twelve characters Both fields are case sensitive and accept all characters including spaces Adding a User Profile All CLI names and aliases are case sensitive A total of ten user profiles can be configured on a V Switch Use the CLI command admin add to add a user login profile admin add You must ...

Page 194: ... be changed on both V Switches You can remove any user profile from the V Switch database except the profile you are logged in with This ensures at least one user profile in the database at all times admin remove You must define one parameter to remove a user profile SWITCH PARAMETER DEFINITION STATUS EXAMPLE un USER NAME USER NAME MANDATORY Joe Cool Example admin remove un Joe Cool V Switch Reset...

Page 195: ... command ft upload to upload a V Switch s full database file ft upload You need to define three parameters to upload a database file SWITCH PARAMETER DEFINITION STATUS EXAMPLE ip IP ADDRESS IP ADDRESS OF STATION WHERE TFTP APPLICATION SITS MANDATORY 212 199 43 70 fn FILE NAME COMPLETE PATH AND NAME TO SAVE FILE AS MANDATORY VSwitch v1_9 v1_9database ft FILE TYPE FORMAT TO SAVE DATA IN OPTIONAL DEF...

Page 196: ...nload a V Switch database file from the local TFTP server after you have initialized the replacement V Switch with an IP management address via LCD or Console Please refer to Chapter 3 Configuring the V Switch 3000 Management Parameters via LCD for more information on initiating your V Switch before downloading the configuration file The download parameters are identical to the upload parameters f...

Page 197: ...V Switch cluster the interface alias must be changed on both V Switches na NEW ALIAS NEW ALIAS OR NAME OF INTERFACE OPTIONAL DEFAULT DEFAULT INTERFACE NAMES CONS MGMT FC1 SCSI1 ETH1 Storage1 Example The storage interface fc1 is renamed to Storage 1 interface set if fc1 na Storage1 Adding an Interface IP Address If you are working in a V Switch cluster the interface IP must be added on both V Switc...

Page 198: ...7 is added to interface eth1 for a total of two IP addresses assigned to interface eth1 ip config set if eth1 ip 212 199 43 57 10225 212 199 12 67 212 199 12 70 212 199 75 66 212 199 43 46 212 199 43 56 212 199 43 57 Figure 10 1 Adding an Interface IP Address Removing an Interface IP Address If you are working in a V Switch cluster the interface IP must be removed on both V Switches You can remove...

Page 199: ...f you are working in a V Switch cluster the IP route must be added on both V Switches You can add an IP route to a network port ip route add You need to define four parameters to add an IP route SWITCH PARAMETER DEFINITION STATUS EXAMPLE dip DESTINATION IP IP OF HOST STATION MANDATORY 10 10 20 20 dmask DESTINATION MASK IP MASK OF HOST STATION MANDATORY 255 255 255 0 gw GATEWAY IP ADDRESS IP ADDRES...

Page 200: ...ute remove You need to define four parameters to remove an IP routing path SWITCH PARAMETER DEFINITION STATUS EXAMPLE dip DESTINATION IP DESTINATION NETWORK IP ADDRESS MANDATORY 10 10 20 20 dmask DESTINATION MASK DESTINATION NETWORK IP MASK MANDATORY 255 255 255 0 gw GATEWAY IP ADDRESS IP ADDRESS OF THE GATEWAY ROUTER MANDATORY 30 30 20 20 if INTERFACE ALIAS INTERFACE ALIAS ROUTING PATH MAPS TO MA...

Page 201: ...ices the REPORT LUNs command must be disabled If certain devices in the SAN are not being discovered by the V Switch use the CLI command device set to disable or re enable device discovery via REPORT LUNs device set You need to define one parameter to change the V Switch storage device discovery mode SWITCH PARAMETER DEFINITION STATUS EXAMPLE rld REPORT LUN DISCOVERY MODE FOR DISCOVERING DEVICE LU...

Page 202: ...SSIGN TO STORAGE DEVICE MANDATORY IF CHANGING Expose_as _transparent Example The disk Stor_1 is renamed to RAID1 and a note is made for the storage manager to expose this disk as a transparent volume storage set s Stor_1 na RAID1 info Expose_as _transparent Removing a Storage Device If you are working in a V Switch cluster the disk must be removed on both V Switches You can remove a disk from the ...

Page 203: ... DEFINITION STATUS EXAMPLE sd SUBDISK ALIAS ALIAS OF SUBDISK TO RENAME MANDATORY Subdisk7 na NEW SUBDISK ALIAS NEW ALIAS OF SUBDISK MANDATORY Sub7 info INFORMATION INFORMATION ON SUBDISK FOR LOCAL ADMINISTRATION ONLY OPTIONAL replaces_sub3 Removing a Subdisk If you are working in a V Switch cluster the subdisk must be removed on both V Switches You can remove a subdisk to repartition a disk subdis...

Page 204: ... ALIAS OF NEIGHBORING V SWITCH IN CLUSTER MANDATORY IF CHANGING NewVSwitch ip IP ADDRESS MANAGEMENT IP ADDRESS OF NEIGHBOR MANDATORY IF CHANGING 212 199 43 40 Removing a Neighbor Both V Switches must have its neighbor removed You can remove a neighbor from a cluster neighbor remove You need to define one parameter to remove a neighbor from a cluster SWITCH PARAMETER DEFINITION STATUS EXAMPLE nb NE...

Page 205: ...AILOVER INTERVAL TIME WHEN SUSPICIOUS INTERVAL IS EXCEEDED MANDATORY IF CHANGING 10 Enabling and Disabling Failover If you want to break a cluster or need to take a V Switch off line you must first disable V Switch failover Use the CLI command cluster failover disable to disable this functionality This command must be executed on both V Switches in the cluster cluster failover disable If you want ...

Page 206: ...sconnected from the power source disconnect the power cable from the V Switch STEP 2 LOOSEN THE POWER SUPPLY CONNECTING SCREW Loosen the power supply connecting screw to release the power supply from the V Switch STEP 3 REMOVE THE POWER SUPPLY Lift the power supply handle and pull to slide the power supply out 10243 connecting screw handle Figure 10 3 Replacing a Power Supply STEP 4 INSERT A FUNCT...

Page 207: ...form the upgrade All configured user profiles are unaffected by the software upgrade ft update You need two parameters to upgrade the V Switch software SWITCH PARAMETER DEFINITION STATUS EXAMPLE ip IP ADDRESS TFTP SERVER IP ADDRESS MANDATORY 212 199 43 46 fd DIRECTORY DIRECTORY TO TAKE FILES FROM OPTIONAL sanrad update v2_0 Example ft update ip 212 199 43 46 fd sanrad update v2_0 After upgrading t...

Page 208: ... to define one parameter to set the replication mode SWITCH PARAMETER DEFINITION STATUS EXAMPLE rep REPLICATE REPLICATION OF THE DATABASE MANDATORY YES REPLICATE NO DO NOT REPLICATE yes system set rep yes If the compact flash is removed while the V Switch is in replicate mode it will automatically switch to non replicate mode even if the compact flash is re inserted Repeat the command system set t...

Page 209: ...om cflash type db If you want to load Safe Mode The V Switch operating status includes the ability to enter into safe mode in the event of booting problems or in an attempt to clear significant amounts of a V Switch configuration There are two ways to enter safe mode Automatically during a reboot Manually via CLI There are four safe mode reboot options Level 0 Reboot in normal mode Level 1 Reboot ...

Page 210: ...t time the V Switch booted the database will be empty All V Switch configurations will be lost Therefore SANRAD strongly urges you to reboot the V Switch after major configurations to save the configuration database in the event of rebooting problems in the future Rebooting with the last good configuration may cause data corruption For example the last good configuration may contain a striped volu...

Page 211: ...t good database file and the corrupted database file are exported for examination If you rebooted in safe mode level 2 reboot with default factory database the corrupted database file is exported for examination ft export problem You need two parameters to export a corrupted database from the V Switch SWITCH PARAMETER DEFINITION STATUS EXAMPLE ip IP ADDRESS SERVER IP ADDRESS MANDATORY 212 199 43 7...

Page 212: ...e the V Switch booted was also the first time the database will be empty Use this level to erase all configurations executed since the last reboot and return to the previous V Switch configuration For example if you are modifying or making temporary changes to the V Switch configuration first ensure that the current configuration is stored in the V Switch by resetting the V Switch then execute the...

Page 213: ...figurations executed on the V Switch including user login profiles Use this level if you want to completely clear a V Switch s database For example if you want to transfer a V Switch to another branch office or campus department with different system administrators this level will return the V Switch to the same state it left the factory for shipping ...

Page 214: ...10 28 SANRAD V Switch CLI User Manual ...

Page 215: ...luding switching virtualization and security All CLI commands are case sensitive and must be entered in lower case Inputted data can include upper case letters but must always subsequently be entered in the same case The CLI command prompt is All CLI commands in this manual are listed first with the basic command followed by a table of command switches their explanations status mandatory or option...

Page 216: ...SPEED IP ROUTE DEFAULT CLUSTER SET ADMIN ADD INTERFACE SHOW IP ROUTE ADD CLUSTER FAILOVER ENABLE ADMIN REMOVE INTERFACE DETAILS IP ROUTE SHOW CLUSTER FAILOVER DISABLE ADMIN PASSWORD INTERFACE SET IP ROUTE REMOVE FT SHOW SYSTEM RESET PSCSI SHOW IP ISNS SHOW FT UPLOAD SOFTWARE SYSTEM RESET_DEFAULT_FACTORY PSCSI SET BUSID IP ISNS ADD FT DOWNLOAD INFO SNMP MANAGER SHOW IP ISNS REMOVE FT EXPORT PROBLEM...

Page 217: ... characters long including spaces A password can be from 6 to 12 characters long including spaces admin add SWITCH PARAMETER DEFINITION STATUS EXAMPLE un USER NAME USER NAME MANDATORY Joe Cool pw PASSWORD USER PASSWORD MANDATORY 123456 Example admin add un Joe Cool pw 123456 admin remove This command deletes a user name from the list of valid user login names for the V Switch Any user name except ...

Page 218: ...t This command performs a remote soft reset of the V Switch All configuration databases will be maintained on the V Switch including user names and passwords network port aliases configured volumes and iSCSI targets system reset system reset_default_factory This command resets the V Switch to factory default settings system reset_default_factory info This command displays the current V Switch conf...

Page 219: ...defines the specified general parameters of the V Switch device set SWITCH PARAMETER DEFINITION STATUS EXAMPLE n NAME USER ASSIGNED NAME FOR THE V SWITCH OPTIONAL VSwitch1 ip MANAGEMENT IP ADDRESS IP ADDRESS OF THE MANAGEMENT PORT OPTIONAL 212 199 43 46 im MANAGEMENT IP MASK IP MASK FOR THE MANAGEMENT PORT OPTIONAL DEFAULT 255 255 255 0 p UDP PORT PORT THROUGH WHICH ALL UDP COMMUNICATIONS WILL FLO...

Page 220: ...CATIONS OPTIONAL DEFAULT 23 1597 rcom READ COMMUNITY COMMUNITY TO GET INFORMATION OPTIONAL DEFAULT PUBLIC wcom WRITE COMMUNITY COMMUNITY TO SET INFORMATION OPTIONAL DEFAULT PRIVATE temperature_units TEMPERATURE SCALE TO DISPLAY HARDWARE TEMPERATURES IN CELSIUS OR FAHRENHEIT OPTIONAL C OR F DEFAULT CELSIUS Example device set n VSwitch1 ip 212 199 43 46 d 21 04 2002 t 13 30 c AnnaLevin loc ext4838 i...

Page 221: ...R PARAMETER MANDATORY device advance show This command shows the specified advanced parameter of the V Switch device set SWITCH PARAMETER DEFINITION STATUS EXAMPLE param PARAMETER PARAMETER TO SET MANDATORY val VALUE VALUE FOR PARAMETER MANDATORY fc interface show This command shows each FC port and its World Wide Port Name WWPN fc interface show Alias WWPN fc2 20 00 00 20 38 00 10 64 fc node show...

Page 222: ... the V Switch interfaces ports and their parameters interface show Table 11 4 V Switch Interfaces Type Name Description Alias Phys Address RS232 cons RS232 Management Int cons 000000000000 ETHERNET mgmt Fast Ethernet Manage mgmt 000000000000 FibreChannel fc1 FC MMF fc1 000000000000 FibreChannel fc2 FC MMF fc2 000000000000 FibreChannel fc3 FC MMF fc3 000000000000 FibreChannel fc4 FC MMF fc4 0000000...

Page 223: ...meter Details Name eth1 Alias eth1 Index 9 Type ETHERNET Description Gigabit Ethernet Network Interface Phys Address 0081a000110 MTU 1500 Admin Status up Oper Status up interface set This command renames the specified interface alias interface set SWITCH PARAMETER DEFINITION STATUS EXAMPLE if INTERFACE ALIAS OR NAME CURRENT ALIAS OR NAME OF INTERFACE MANDATORY Storage1 na NEW ALIAS NEW ALIAS OR NA...

Page 224: ... busid SWITCH PARAMETER DEFINITION STATUS EXAMPLE if INTERFACE STORAGE PORT NUMBER ALIAS MANDATORY pscsi3 id ID PSCSI ID NUMBER BETWEEN 0 AND 15 MANDATORY 12 Example pscsi set busid if pscsi3 id 12 snmp manager show This command displays the managers of the V Switch snmp manager show Table 11 7 V Switch SNMP Managers IP Address Port Read Community Write Community Trap 212 199 43 96 162 Public Priv...

Page 225: ...ND TRAPS TO MANAGER OPTIONAL Y SEND N DO NOT SEND DEFAULT Y device set This command modifies parameters of existing managers device set SWITCH PARAMETER DEFINITION STATUS EXAMPLE ip IP ADDRESS MANAGER IP ADDRESS MANDATORY 212 199 43 96 p UPD PORT PORT TO RECEIVE TRAPS THROUGH MANDATORY 150 np NEW PORT NEW PORT FOR RECEIVING TRAPS OPTIONAL 151 rcom READ COMMUNITY COMMUNITY TO GET INFORMATION OPTION...

Page 226: ...255 255 0 Active eth1 212 199 43 57 255 255 255 0 Inactive eth2 212 199 75 66 255 255 255 0 Active eth3 212 199 12 67 255 255 255 0 Inactive eth3 212 199 12 70 255 255 255 0 Active ip config set This command configures a new interface alias or edits an existing one ip config set SWITCH PARAMETER DEFINITION STATUS EXAMPLE ip IP ADDRESS IP ADDRESS ASSIGNING TO THE INTERFACE PORT MANDATORY 212 199 43...

Page 227: ...ve SWITCH PARAMETER DEFINITION STATUS EXAMPLE ip IP ADDRESS IP ADDRESS TO REMOVE FROM THE NETWORK INTERFACE PORT MANDATORY 212 199 43 70 Example ip config remove ip 212 199 43 70 ip route default This command sets a default IP route to a network port ip route add SWITCH PARAMETER DEFINITION STATUS EXAMPLE gw GATEWAY IP ADDRESS IP ADDRESS OF THE DEFAULT GATEWAY ROUTER MANDATORY 30 30 20 20 if INTER...

Page 228: ...COMMUNICATION THROUGH MANDATORY eth2 Example An IP routing path to Network D IP 10 10 20 20 IP mask 255 255 255 0 is mapped from network port Eth2 through router gateway 30 30 20 20 ip route add dip 10 10 20 20 dmask 255 255 255 0 gw 30 30 20 20 if eth2 ip route show This command shows all IP routes on a V Switch ip route show Dest IP Address Dest Mask Interface Gateway 10 10 20 20 255 255 255 0 E...

Page 229: ...TORY eth3 Example The routing path to destination network IP 10 12 40 40 IP mask 255 255 255 0 is removed from network port Eth3 ip route remove dip 10 12 40 40 dmask 255 255 255 0 dmask 20 22 11 11 if eth3 ip isns show This command shows all iSNS servers configured on the V Switch ip isns show Table 11 9 iSNS Servers 212 199 43 2 212 199 56 134 ip isns add This command adds an iSNS server s IP ad...

Page 230: ...bor add SWITCH PARAMETER DEFINITION STATUS EXAMPLE nb NEIGHBOR ALIAS OF NEIGHBOR TO ADD TO CLUSTER MANDATORY VSwitch2 ip IP ADDRESS IP ADDRESS OF MGMT PORT ON NEIGHBOR MANDATORY 212 199 43 75 Example neighbor add nb VSwitch2 ip 212 199 43 75 neighbor set This command resets a neighbor alias or IP address in a cluster neighbor set SWITCH PARAMETER DEFINITION STATUS EXAMPLE nb NEIGHBOR ALIAS OF NEIG...

Page 231: ...details of a neighbor in a cluster neighbor details SWITCH PARAMETER DEFINITION STATUS EXAMPLE nb NEIGHBOR ALIAS OF NEIGHBOR IN CLUSTER MANDATORY VSwitch2 Table 11 11 Neighbor Details Neighbor Name VSwitch2 IP Address 212 199 43 75 Last Received Keep Alive 3 Status Alive Lock Status srOpen neighbor remove This command removes a V Switch from a cluster neighbor remove SWITCH PARAMETER DEFINITION ST...

Page 232: ... INTERVAL TIME FROM WHEN A SIGNAL WAS EXPECTED BUT NOT RECEIVED MANDATORY IF CHANGING 10 fint FAILOVER INTERVAL TIME WHEN SUSPICIOUS INTERVAL IS EXCEEDED MANDATORY IF CHANGING 20 Example The Keep Alive interval is set to 5 seconds That is every 5 seconds an alive signal is sent out to all neighboring V Switches The neighboring V Switches register a suspicious interval after 10 seconds without an a...

Page 233: ...lity This command must be executed on both V Switches in the cluster cluster failover disable ft show This command displays the configuration for file transfer ft show Table 11 13 File Transfer Configuration Host IP 212 199 43 46 File Name usr VSwitch images im1234 run File Type af Time Out 15 Number of Retries 3 Command download Status Transferring Error ok ft upload software This command uploads...

Page 234: ...EFINITION STATUS EXAMPLE ip IP ADDRESS IP ADDRESS OF TELNET STATION WHERE TFTP APPLICATION SITS MANDATORY 212 199 43 70 fn FILE NAME NAME TO SAVE FILE AS MANDATORY Backupdata ft FILE TYPE FORMAT TO SAVE DATA IN OPTIONAL DB DATA BASE db tmo TIME BEFORE TIMEOUT NUMBER OF SECONDS BEFORE TIMEOUT OPTIONAL 5 3600 SEC 15 nor NUMBER OF RETRIES NUMBER OF RETRIES TO CONNECT OPTIONAL 0 10 3 ft export problem...

Page 235: ...INITION STATUS EXAMPLE sm SAFE MODE SAFE MODE LEVEL MANDATORY 0 NORMAL 1 LAST GOOD CONFIGURATION 2 DEFAULT DATABASE 3 DEFAULT FACTORY SYSTEM 1 system set This command sets or unsets the system to work in database replication mode system set SWITCH PARAMETER DEFINITION STATUS EXAMPLE rep REPLICATE REPLICATION OF THE DATABASE MANDATORY YES REPLICATE NO DO NOT REPLICATE yes system copy This command c...

Page 236: ...E TO COPY FROM MANDATORY FLASH CFLASH cflash type TYPE TYPE OF FILE TO COPY MANDATORY DB DATABASE db system show This command shows the status of both the compact flash and replication mode system show Flash present Compact Flash present Database Configuration replicate Database Current replicate ...

Page 237: ... VOLUME SNAPSHOT LIST STORAGE DETAILS VOLUME HIERARCHY VOLUME MIRROR SYNC ABORT VOLUME SNAPSHOT ROLLBACK SHOW STORAGE SET VOLUME CREATE SIMPLE VOLUME COPY CREATE VOLUME SNAPSHOT ROLLBACK START STORAGE REMOVE VOLUME CREATE TRANSPARENT VOLUME COPY SHOW VOLUME SNAPSHOT ROLLBACK ABORT SUBDISK CREATE VOLUME CREATE MIRROR VOLUME COPY ABORT SUBDISK SHOW VOLUME CREATE CONCATENATED VOLUME MIRROR ADD storag...

Page 238: ...e device from blinking storage blink abort SWITCH PARAMETER DEFINITION STATUS EXAMPLE s STORAGE DEVICE ALAIS OF DEVICE TO BLINK MANDATORY Stor_1 storage show This command shows all storage devices connected to the V Switch storage show Table 11 14 Storage Devices Alias Entity Name LUN Oper Status Type Stor_1 0102030405060708 0 Disabled disk Stor_2 090a0b0c0d0e0f10 0 Enabled entire Stor_3 090a0b0c0...

Page 239: ...a disk storage disk set SWITCH PARAMETER DEFINITION STATUS EXAMPLE d DISK DISK DEVICE MANDATORY Disk2JBOD5 wce WRITE CACHE ENABLED WRITE CACHE FUNCTION MANDATORY YES OR NO yes storage alias This command allows you to view all storage aliases in full The command storage show has a ten character display limit so storage aliases may be ambiguous in the storage show table storage alias Table 11 16 Sto...

Page 240: ... 12m 16 sec 37 1 60 Sec SCSI Version 3 Revision Level 0002ST336704FC Product Id ST336704FC Serial Number 3CD0FHA400002108XYGLXYGL Number Of Blocks 71687369 Block Size 512 SubDisks Entire Write Cache Enabled true Write Protected false Volume sim storage set This command allows you to edit storage device parameters storage set SWITCH PARAMETER DEFINITION STATUS EXAMPLE s STORAGE ALIAS STORAGE ALIAS ...

Page 241: ... a subdisk according to the input parameters subdisk create SWITCH PARAMETER DEFINITION STATUS EXAMPLE d DISK ALIAS ALIAS OF DISK IN WHICH TO CREATE THE SUBDISK MANDATORY Disk 1 sl SUBDISK LENGTH LENGTH IN BLOCKS OF SUBDISK MANDATORY 18000000 sa START ADDRESS BLOCK ADDRESS TO BEGIN CREATING SUBDISK FROM OPTIONAL DEFAULT 0 0 sd SUBDISK ALIAS ALIAS FOR NEW SUBDISK OPTIONAL DEFAULT FORMAT DEF_ SPLIT_...

Page 242: ...s disk2 split1 0 2048 no disk2 split2 2048 512 yes disk3 split1di 0 1024 no disk3 split2 1024 1024 no subdisk details This command shows all specified subdisks on a disk subdisks details SWITCH PARAMETER DEFINITION STATUS EXAMPLE d DISK ALIAS ALIAS OF DISK TO SHOW SUBDISKS ON MANDATORY disk1 sd SUBDISK ALIAS ALIAS OF SUBDISK TO SHOW OPTIONAL Table 11 19 Details of a Specified Subdisk Subdisk Start...

Page 243: ...it2mirror subdisk set This command renames a subdisk and allows you to edit the subdisk information subdisk set SWITCH PARAMETER DEFINITION STATUS EXAMPLE sd SUBDISK ALIAS ALIAS OF SUBDISK TO RENAME MANDATORY sub1 na NEW SUBDISK ALIAS NEW ALIAS OF SUBDISK MANDATORY IF CHANGING THE ALIAS mir1 info INFORMATION INFORMATION ON SUBDISK FOR LOCAL ADMINISTRATION ONLY MANDATORY IF CHANGING subdisk remove ...

Page 244: ... 8388608 8388608 512 Exposed RLU3 Simple 16777216 16777216 512 Internal volume details This command shows all details of a specified volume volume details SWITCH PARAMETER DEFINITION STATUS EXAMPLE vol VOLUME ALIAS OF SINGLE VOLUME DETAILS TO SHOW MANDATORY stripe1 Table 11 22 Specific Volume Details Alias Snp3Stripe1 Type stripe Number of Blocks 41943040 Actual Size 25 GB Potential Size 50 GB Blo...

Page 245: ... may be ambiguous in the volume show table volume alias Table 11 23 Volume Aliases Volume Type Alias striped MusicBoxTop40 concat Entertainment mirrored Oct02PayRoll volume hierarchy This command shows the volumes composing the specified volume volume hierarchy SWITCH PARAMETER DEFINITION STATUS EXAMPLE vol VOLUME ALIAS OF VOLUME TO DISPLAY MANDATORY stripe1 Table 11 24 Volume Hierarchy Alias Type...

Page 246: ...A DISK volume create transparent This command creates a transparent volume out of a disk volume create transparent SWITCH PARAMETER DEFINITION STATUS EXAMPLE vol VOLUME ALIAS OF VOLUME TO CREATE OPTIONAL DEFAULT DISK ALIAS trans1 d DISK ALIAS OF DISK TO USE MANDATORY Stor_3 volume create mirror This command creates a mirrored volume the specified number of volumes volume create mirror SWITCH PARAM...

Page 247: ...d SWITCH PARAMETER DEFINITION STATUS EXAMPLE vol VOLUME ALIAS OF VOLUME TO CREATE MANDATORY Concat1 nbc NUMBER OF CHILDREN NUMBER OF VOLUMES TO CONCATENATE ACROSS OPTIONAL DEFAULT 2 2 ch CHILD ALIAS OF EACH VOLUME TO INCLUDE IN CONCATENATED VOLUME MANDATORY Simple1 ch CHILD ALIAS OF EACH VOLUME TO INCLUDE IN CONCATENATED VOLUME MANDATORY Simple2 volume create striped This command creates a striped...

Page 248: ...change a volume alias or load threshold volume set SWITCH PARAMETER DEFINITION STATUS EXAMPLE vol VOLUME ALIAS OF VOLUME TO CHANGE MANDATORY Subdisk7 na NEW ALIAS NEW ALIAS FOR VOLUME MANDATORY IF CHANGING ALIAS Simple7 lt LOAD THRESHOLD PERCENTAGE FULL AT DESTINATION TO TRIGGER AN ALARM MANDATORY IF CHANGING LOAD THRESHOLD 70 volume remove This command removes a volume from the system The volume ...

Page 249: ...ME TO REMOVE MANDATORY Stripe 1 volume replace This command replaces a volume with another volume Use this command after a disk failure to replace a volume used in a storage hierarchy with a volume on a functional disk If you are replacing a volume used as part of a mirrored volume use the CLI command volume mirror synch to synchronize the replacement volume with the other mirrored volume s See th...

Page 250: ...succeeded 100 Mirror 12 Mirror10 none volume mirror sync start This command starts synchronization of mirrored volumes Use this command in the following three cases 1 After adding a mirror copy to an existing volume 2 To restore a mirrored volume on a disk after a disk failure 3 When one of the mirror legs is in the Need Sync state volume mirror sync start SWITCH PARAMETER DEFINITION STATUS EXAMPL...

Page 251: ... Mirror8 volume copy create This command creates an off line volume copy volume copy create SWITCH PARAMETER DEFINITION STATUS EXAMPLE src SOURCE ALIAS OF SOURCE VOLUME TO COPY MANDATORY ScienceLab dst DESTINATION ALIAS OF VOLUME TO COPY TO MANDATORY ScienceLabII volume copy show This command shows all on going and previously executed operations on volumes volume copy show Volume Alias Source Alia...

Page 252: ...OLUME TO ABORT COPY TO MANDATORY ScienceLabII volume mirror add This command adds an on line volume copy to a mirror or the head of a hierarchy volume mirror add SWITCH PARAMETER DEFINITION STATUS EXAMPLE vol VOLUME SOURCE VOLUME TO ADD MIRROR TO MANDATORY Mirror5 ch CHILD NEW CHILD TO ADD TO MIRROR MANDATORY Simple10 dst DESTINATION ALIAS OF NEW MIRROR OPTIONAL Mirror5a no sync NO SYNCHRONIZATION...

Page 253: ...line volume resize SWITCH PARAMETER DEFINITION STATUS EXAMPLE src SOURCE VOLUME TO RESIZE MANDATORY dst DESTINATION ALIAS OF RESIZED VOLUME OPTIONAL with SIMPLE VOLUME VOLUME TO RESIZE WITH MANDATORY volume retract This command retracts a volume by deleting all added volumes use to resize the volume This command only works if the resized volume has not been expanded The head of the volume hierarch...

Page 254: ...shot volume create snapshot SWITCH PARAMETER DEFINITION STATUS EXAMPLE src SOURCE SOURCE OF SNAPSHOT MANDATORY Mirror3 dst DESTINATION SNAPSHOT DESTINATION MANDATORY Snp1Mir3 lt LOAD THRESHOLD PERCENTAGE FULL AT DESTINATION TO TRIGGER AN ALARM OPTIONAL DEFAULT 80 50 volume snapshot show This command shows all source volumes and their snapshot volumes volume snapshot show Source Snapshot Date Time ...

Page 255: ...e snapshot rollback show volume snapshot rollback start This command starts snapshot rollback volume snapshot rollback start SWITCH PARAMETER DEFINITION STATUS EXAMPLE snap SNAPSHOT SNAPSHOT SOURCE VOLUME MANDATORY Mirro2 force FORCE DON T USE INTERACTIVE MENU OPTIONAL Note Force eliminates the yes no acknowledgement by the admin volume snapshot rollback abort This command aborts snapshot rollback...

Page 256: ...P RADIUS SHOW ISCSI TARGET DETAILS ISCSI RINITIATOR LIST ACL IDENTITY DETAILS IP RADIUS ADD ISCSI TARGET CREATE ISCSI RINITIATOR STATISTICS SHOW ACL IDENTITY CREATE IP RADIUS SET ISCSI TARGET ALIAS ISCSI DISCOVERY RPORTAL SHOW ACL IDENTITY DELETE IP RADIUS REMOVE ISCSI TARGET SET ISCSI DISCOVERY RPORTAL SET ACL IDENTITY ADD NAME VOLUME EXPOSE NEW ISCSI TARGET REMOVE ISCSI DISCOVERY RPORTAL DISCOVE...

Page 257: ...creates an iSCSI portal on a 1 Gb network port iscsi portal create SWITCH PARAMETER DEFINITION STATUS EXAMPLE ip IP ADDRESS IP ADDRESS OF NETWORK PORT MANDATORY 212 199 43 70 p TCP PORT TCP PORT FOR ISCSI COMMUNICATION OPTIONAL DEFAULT 3260 5003 iscsi portal remove This command removes an iSCSI portal on a 1 Gb network port iscsi portal remove SWITCH PARAMETER DEFINITION STATUS EXAMPLE ip IP ADDRE...

Page 258: ... 1 VSwitch2 Presiden wwui 1 VSwitch2 iscsi target details This command shows the details of the iSCSI target iscsi target details SWITCH PARAMETER DEFINITION STATUS EXAMPLE ta TARGET ALIAS USER ASSIGNED ALIAS FOR ISCSI TARGET MANDATORY Finance Table 11 27 Target Alias nms153 Target Name eui 00081affff012345 CHAP User Name sanrad Status OK Number of Ports 1 Port Name eui 00081affff012345 t 0 Number...

Page 259: ... EXAMPLE ta TARGET ALIAS USER ASSIGNED ALIAS FOR ISCSI TARGET MANDATORY Finance tn TARGET WWUI USER ASSIGNED WORLD WIDE UNIQUE IDENTIFIER FOR THE TARGET MANDATORY billing sanrad device DEVICE ALIAS OF V SWITCH TO EXPOSE TAREGT ON MANDATORY VSwitch1 iscsi target alias This command allows you to view all subdisk aliases in full The command iscsi target show has a ten character display limit so iscsi...

Page 260: ... n NEW ALIAS NEW ALIAS FOR TARGET MANDATORY Buffy chapun CHAP USER NAME USER NAME FOR CHAP AUTHENTICATION MANDATORY WITH CHAP PASSWORD chappw CHAP PASSWORD USER PASSWORD FOR CHAP AUTHENTICATION MANDATORY WITH CHAP USER NAME iscsi target remove This command removes an iSCSI target iscsi target remove SWITCH PARAMETER DEFINITION STATUS EXAMPLE ta TARGET ALIAS ALIAS OF ISCSI TARGET TO REMOVE MANDATOR...

Page 261: ...uthentication SWITCH PARAMETER DEFINITION STATUS EXAMPLE ta TARGET ALIAS ALIAS OF ISCSI TARGET TO REMOVE MANDATORY MusicBox pw PASSWORD PASSWORD OF TARGET OPTIONAL DEFAULT SANRADSANRAD un USER NAME USER NAME OF TARGET OPTIONAL DEFAULT SANRAD iscsi session show This command shows all iSCSI sessions iscsi session show Table 11 29 iSCSI Sessions ID Initiator ISID Target TSIH 1 nms151 2 nms151 3 nms15...

Page 262: ...inance adv ADVANCED ADVANCED ISCSI SESSION DETAILS OPTIONAL No value needed Table 11 30 Basic iSCSI Session Details Initiator Alias nms153 Initiator Name iqn 1991 05 com microsoft QA 2 qa test com ISID 400001370000 Target Alias nms154dr Target Name nms154dr TSIH b701 Type Normal Authentication DEF_ALL Connection ID 1 State Full 2 Local Address 11 11 11 110 Local Port 3260 Remote Address 11 11 11 2...

Page 263: ...r True Error Recovery Level 0 iscsi session statistics This command lists the statistics of a specific session iscsi session statistics SWITCH PARAMETER DEFINITION STATUS EXAMPLE ta TARGET ALIAS ALIAS OF TARGET FOR STATISTICS MANDATORY Finance type TYPE INITIATOR TYPE MANDATORY CRP TXRX ERROR Table 11 32 CRP iSCSI Session Details ID Initiator ISID TSIH Cmd PDUs Rsp PDUs 1 nms153 1900 1900 2 nms153...

Page 264: ... 9000 1700 4 nms153 8990 1600 Table 11 34 Error iSCSI Session Details ID Initiator ISID TSIH Digests Err Timeout Err 1 nms153 5 10 2 nms153 5 9 3 nms153 4 8 4 nms153 4 7 iscsi session connection show This command iscsi session connection show Table 11 35 iSCSI Session Connections ID Cid State Local Address Port Remote Address Port 1 1 full 2 1 full 3 1 full 4 1 full ...

Page 265: ...ON ID ID OF ISCSI SESSION MANDATORY 1 255 1 adv ADVANCED ID OF ISCSI CONNECTION OPTIONAL no value is needed Table 11 36 iSCSI Session Connection Details Connection ID 1 State Full 2 Local Address 172 17 200 151 Local Port 3260 Remote Address 172 17 200 153 Remote Port 3260 Table 11 37 Advanced iSCSI Session Connection Details RX Data Segment Length TX Data Segment Length Header Integrity None Data...

Page 266: ...te initiators iscsi rinitiator show Table 11 39 Remote iSCSI Initiators Target Alias Initiator Alias Initiator Name nms154dr iqn 1991 05 com micr iqn 1991 05 com micr nms155dr iqn 1991 05 com micr iqn 1991 05 com micr iscsi rinitiator list This command lists all remote initiators connected to a specific target iscsi rinitiator list SWITCH PARAMETER DEFINITION STATUS EXAMPLE ta TARGET ALIAS ALIAS O...

Page 267: ...command displays iSCSI remote portals iscsi discovery rportal show iscsi discovery rportal set This command allows you to set the interval period for the V Switch to poll the network for iSCSI targets iscsi discovery rportal set SWITCH PARAMETER DEFINITION STATUS EXAMPLE ip IP ADDRESS IP ADDRESS OF NETWORK PORT MANDATORY 212 199 43 70 port TCP PORT TCP PORT FOR ISCSI COMMUNICATION OPTIONAL DEFAULT...

Page 268: ...n iSCSI remote portal iscsi discovery rportal add SWITCH PARAMETER DEFINITION STATUS EXAMPLE ip IP ADDRESS IP ADDRESS OF NETWORK PORT MANDATORY 212 199 43 70 port TCP PORT TCP PORT FOR ISCSI COMMUNICATION OPTIONAL DEFAULT 3260 5003 period PERIOD PERIOD FOR REDISCOVER IN SECONDS OPTIONAL DEFAULT 1800 iscsi discovery rportal remove This command removes an iSCSI remote portal iscsi discovery rportal ...

Page 269: ...d write SQL 0 DEF_ALL not accessible SQL 1 Identity7 read write Library 0 DEF_ALL not accessible Library 1 Identity4 read only Library 2 Identity7 read write acl details This command shows the access control for a target acl details SWITCH PARAMETER DEFINITION STATUS EXAMPLE ta TARGET ALIAS ALIAS OF ISCSI TARGET MANDATORY disk1 Table 11 42 Access Control per Target Target Position Identity Access ...

Page 270: ...OPTIONS RW RO OR NA DEFAULT RW rw pos POSITION ACCESS PRIORITY LEVEL OPTIONAL DEFAULT 1 1 acl set This command changes the access rights of an existing identity as it is linked with a specific target acl set SWITCH PARAMETER DEFINITION STATUS EXAMPLE ta TARGET ALIAS ALIAS OF ISCSI TARGET MANDATORY water id IDENTITY NAME OF ACL MANDATORY health_club acc ACCESS RIGHTS ACCESS RIGHTS TO THE TARGET OPT...

Page 271: ...ater id IDENTITY NAME OF ACL MANDATORY health_club acl identity show This command lists the identities in a V Switch acl identity show Table 11 43 iSCSI Initiators in an Identity Alias Definition health_club members library_staff all library employees acl identity details This command lists the details of a specific identity acl identity details SWITCH PARAMETER DEFINITION STATUS EXAMPLE id IDENTI...

Page 272: ...create This command creates a new identity for the V Switch acl identity create SWITCH PARAMETER DEFINITION STATUS EXAMPLE id IDENTITY NAME OF ACL MANDATORY Med_School info INFORMATION INFORMATION ON IDENTITY OPTIONAL All_ registered_ students acl identity delete This command deletes an identity from the V Switch acl identity delete SWITCH PARAMETER DEFINITION STATUS EXAMPLE id IDENTITY NAME OF AC...

Page 273: ...MPLE id IDENTITY NAME OF ACL MANDATORY Med_School name INITIATOR NAME WWUI OF INITIATOR MANDATORY iqn com ibm Sarah acl identity remove name This command removes an iSCSI initiator from an identity acl identity remove name SWITCH PARAMETER DEFINITION STATUS EXAMPLE id IDENTITY NAME OF ACL MANDATORY Med_School name INITIATOR NAME WWUI OF INITIATOR MANDATORY iqn com ibm Buffy ...

Page 274: ...ME MANDATORY Sarah pw USER PASSWORD HOST PASSWORD MANDATORY WITHOUT RADIUS 12 16 PRINTABLE CHARACTERS OPTIONAL WITH RADIUS scalpelblades radius RADIUS SERVER USE RADIUS SERVER OPTIONAL YES OR NO DEFAULT NO no acl identity remove chap This command removes a CHAP authentication credential from an identity acl identity remove chap SWITCH PARAMETER DEFINITION STATUS EXAMPLE id IDENTITY NAME OF ACL MAN...

Page 275: ...MPLE id IDENTITY NAME OF ACL MANDATORY Med_School un USER NAME HOST NAME MANDATORY Robert pw USER PASSWORD HOST PASSWORD MANDATORY cardiac acl identity remove srp This command removes an SRP authentication credential from an identity acl identity remove srp SWITCH PARAMETER DEFINITION STATUS EXAMPLE id IDENTITY NAME OF ACL MANDATORY Med_School un USER NAME HOST NAME MANDATORY Robert ...

Page 276: ...AIS FOR IDENTITY OPTIONAL Medschool info INFORMATION INFORMATION ON IDENTITY OPTIONAL all_students radius RADIUS SERVER RADIUS AUTHENTICATION USED OPTIONAL YES OR NO yes acl up This command pushes an identity position up in priority acl up SWITCH PARAMETER DEFINITION STATUS EXAMPLE ta TARGET TARGET ALAIS MANDATORY sql id IDENTITY NAME OF ACL MANDATORY Med_School n JUMP SIZE NUMBER OF PLACES TO MOV...

Page 277: ...ULT 1 2 ip radius show This command shows all IP addresses for RADIUS servers configured on the V Switch RADIUS client Table 11 45 RADIUS Server IP Addresses 212 199 43 2 212 199 56 134 ip radius add This command adds a RADIUS server IP address to the V Switch RADIUS client SWITCH PARAMETER DEFINITION STATUS EXAMPLE ip IP ADDRESS IP ADDRESS OF RADIUS SERVER MANDATORY 212 199 43 2 p PORT PORT NUMBE...

Page 278: ...DDRESS IP ADDRESS OF RADIUS SERVER MANDATORY 212 199 43 2 p PORT PORT NUMBER OPTIONAL key KEY SHARED SECRET BETWEEN V SWITCH AND RADIUS SERV OPTIONAL Xqjz1m7s9rjb ip radius remove This command removes a RADIUS server IP address from the V Switch RADIUS client SWITCH PARAMETER DEFINITION STATUS EXAMPLE ip IP ADDRESS IP ADDRESS OF RADIUS SERVER MANDATORY 212 199 43 2 p PORT PORT NUMBER OPTIONAL ...

Page 279: ...IGNED WORLD WIDE UNIQUE IDENTIFIER FOR THE TARGET MANDATORY Ourcompany com SAN MusicBox device DEVICE ALIAS OF V SWITCH TO EXPOSE TARGET ON MANDATORY V Switch 1 volume expose This command creates a new LU0 for a specified volume and exposes it on an existing target volume expose SWITCH PARAMETER DEFINITION STATUS EXAMPLE vol VOLUME ALIAS OF VOLUME TO CREATE LU0 AND TARGET FOR MANDATORY Stripe1 ta ...

Page 280: ...ote Mir1 Active 0 1 zzz Active lu details This command shows the details of an LU in the database lu details SWITCH PARAMETER DEFINITION STATUS EXAMPLE ta TARGET ALIAS OF TARGET OF LUN MANDATORY Spirou lun LOGICAL UNIT NUMBER LUN TO SHOW MANDATORY 1 Example lu details ta Spirou lun 1 Table 11 47 LUN Details Target Alias Spirou Target Type iSCSI LUN 1 Volume Mir1 Status active Virtual Last Reset 3 ...

Page 281: ...tatistics show This command shows all statistics for configured LUNs on the V Switch lu statistics show Table 11 48 LU Statistics LUN Target Commands Read MB Written MB In Resets OutTast SetFull Status 0 t1 25 2500 3000 2 1 1 t2 30 3500 2500 1 2 Monitoring and Statistics These commands enable you to view V Switch health monitoring and performance statistics COMMAND COMMAND SYSTEM HARDWARE SHOW INT...

Page 282: ...ature Threshold C Warning 90 Faulty 100 CPU Temperature Status OK On board Temperature C 33 On board Temperature Threshold C Warning 60 Faulty 70 On board Temperature Status OK interface statistics show This command shows all interface connection statistics interface statistics show Table 11 50 Interface Statistics Overview Alias In Octets Out Octets In Errors cons 0 0 0 mgmt 42040 129772 0 fc3 64...

Page 283: ...Out Octets 535709973551 In Out Unicast Pkts 857473339209 In Out Discards 0 0 In Out Errors 0 0 In Out Multicast Pkts 96251 0 In Out Broadcast Pkts 403010 0 In Unknown Protos 0 ip statistics ip show This command shows all IP counters ip statistics ip show Table 11 52 IP Counter Statistics In Receives 161853270 In Header Errors 683 In Address Errors 65177 In Unknown Protos 0 In Discards 0 In Deliver...

Page 284: ...xcds In Out 0 0 Param Problems In Out 0 0 Src Quench In Out 0 0 Redirect In Out 0 0 Echos In Out 4 0 Echo Reply In Out 0 4 Timestamps Received Sent 0 0 Timestamps Reply Received Sent 0 0 Address Masks Received Sent 0 0 Address Masks Reply Received Sent 0 0 tcp connection show This command shows all TCP connections tcp connection show Table 11 54 TCP Connections Local Address Local Port Remote Addr...

Page 285: ...atistics show Table 11 55 TCP Statistics Current Connections 4 Active Open 0 Passive Open 5 Attempt Failures 0 Reset Establishments 0 Segments Received 16078975 Segments Sent 162950234 Segments Retransmitted 3794 Errors Received 50 Reset Sent 0 udp listeners show This command shows all UDP listeners udp listeners show Table 11 56 UDP Listeners Local Address Local Port 0 0 0 0 427 0 0 0 0 17185 0 0...

Page 286: ... CLI User Manual udp statistics show This command shows all UDP connection counters udp statistics show Table 11 57 UDP Statistics Datagrams Received 408815 Wrong Port Datagrams 0 Errors Datagrams 18681 Datagrams Sent 78999 ...

Page 287: ...Connection Statistics SCSI Port Statistics Remote iSCSI Initiator Statistics Logical Unit LU Statistics The V Switch enables RFC standards compliant health interface and session monitoring of all V Switch interfaces For specific details on a monitoring parameter consult the RFC standard 2863 Chapter 12 Monitoring Statistics 12 1 ...

Page 288: ... shows all hardware interface connection statistics system hardware show Table 12 1 System Hardware Max No of Power Supplies 2 PS Status 1 working Max No of Fans 3 Fan Status 3 working CPU Temperature C 59 CPU Temperature Threshold C Warning 90 Faulty 100 CPU Temperature Status OK On board Temperature C 33 On board Temperature Threshold C Warning 60 Faulty 70 On board Temperature Status OK You can...

Page 289: ...tistics to provide an overview interface statistics show Table 12 2 Interface Statistics Overview Alias In Octets Out Octets In Errors cons 0 0 0 mgmt 42040 129772 0 fc3 647295438498 390488847341 0 fc4 0 0 0 eth1 535709973551 857473339209 0 eth2 0 0 0 eth3 0 0 0 interface statistics details This command shows all interface connection counters interface statistics details You need one parameter to ...

Page 290: ...403010 0 In Unknown Protos 0 TCP IP Statistics ip statistics ip show This command shows all IP counters ip statistics ip show Table 12 4 IP Statistics In Receives 161853270 In Header Errors 683 In Address Errors 65177 In Unknown Protos 0 In Discards 0 In Delivers 161200809 Out Requests 162958810 Out Discards 0 Out No Routes 3596 Reasm Fragments Received 0 Reasm Fragments OK 0 Reasm Failures 0 Frag...

Page 291: ...o Reply In Out 0 4 Timestamps Received Sent 0 0 Timestamps Reply Received Sent 0 0 Address Masks Received Sent 0 0 Address Masks Reply Received Sent 0 0 tcp connection show This command shows all TCP connections tcp connection show Table 12 6 TCP Connections Local Address Local Port Remote Address Remote Port State 0 0 0 0 23 0 0 0 0 0 listen 0 0 0 0 427 0 0 0 0 0 listen 10 0 0 110 23 10 0 0 26 49...

Page 292: ...s 4 Active Open 0 Passive Open 5 Attempt Failures 0 Reset Establishments 0 Segments Received 16078975 Segments Sent 162950234 Segments Retransmitted 3794 Errors Received 50 Reset Sent 0 udp listeners show This command shows all UDP listeners udp listeners show Local Address Local Port 0 0 0 0 427 0 0 0 0 17185 0 0 0 0 56789 0 0 0 0 65532 10 0 0 110 161 127 0 0 1 65538 ...

Page 293: ...nitor iSCSI sessions including All iSCSI sessions in and out of the V Switch All iSCSI sessions for a specific initiator or target Specific iSCSI session details iscsi session show This command shows all iSCSI sessions both in and out of the V Switch iscsi session show Table 12 9 iSCSI Sessions ID Initiator ISID Target TSIH 1 1 1 iqn 199 400001370000 nms151 b701 1 2 1 iqn 199 400001370000 nms151 7...

Page 294: ... EXAMPLE id ID ID OF SESSION TO CHECK MANDATORY Finance adv ADVANCED ADVANCED ISCSI SESSION DETAILS OPTIONAL No value needed Table 12 10 Basic iSCSI Session Details Initiator Alias nms153 Initiator Name iqn 1991 05 com microsoft QA 2 qa test com ISID 400001370000 Target Alias nms154dr Target Name nms154dr TSIH b701 Type Normal Authentication DEF_ALL Connection ID 1 State Full 2 Local Address 11 11...

Page 295: ...TER DEFINITION STATUS EXAMPLE ta TARGET ALIAS ALIAS OF TARGET FOR STATISTICS MANDATORY finance type TYPE INITIATOR TYPE MANDATORY CRP TXRX ERROR crp Example List the statistics of all iSCSI sessions for the target finance to initiator iqn 1991 05 microsoft steven sanrad type crp iscsi session statistics ta finance initiator iqn 1991 05 microsoft steven sanrad type crp Table 12 12 CRP iSCSI Session...

Page 296: ...ctions in the V Switch iscsi session connection show Table 12 15 iSCSI Session Connections ID Cid State Local Address Port Remote Address Port 1 1 1 0 11 11 11 110 3260 11 11 11 26 2178 1 2 1 0 11 11 11 110 3260 11 11 11 26 2176 1 3 1 0 11 11 11 110 3260 11 11 11 26 2177 iscsi session connection details This command lists all connections of a specific session iscsi session connection details You n...

Page 297: ...X Data Segment Length 65536 TX Data Segment Length 65536 Header Integrity Data Integrity SCSI Port Statistics You can monitor both the SCSI iSCSI target and initiator ports scsi target port statistics This command lists SCSI iSCSI target port statistics scsi target port statistics Table 12 18 SCSI iSCSI Initiator Port Statistics Target Port Trans In Commands Read MB Written MB nms154dr 42929 iSCSI...

Page 298: ... rinitiator show Table 12 19 All Connected Remote iSCSI Initiators Target Alias Initiator Alias Initiator Name nms154dr iqn 1991 05 com micr iqn 1991 05 com micr nms155dr iqn 1991 05 com micr iqn 1991 05 com micr iscsi rinitiator list This command lists the statistics of all remote iSCSI initiators connected to the V Switch iscsi rinitiator list You need one parameter to list the statistics of all...

Page 299: ...itten MB Read MB ta1 iqn 199 1 0 4848612 7382819 ta2 iqn 199 1 0 3914422 8773472 ta3 iqn 199 1 0 146699 399844 Logical Unit LU Statistics This command shows all statistics for configured LUNs on the V Switch lu statistics show Table 12 21 LU Statistics LUN Targ et Commands Read MB Written MB In Reset s OutTask SetFull 0 ta1 36938947 2308445 0 0 0 77 ta1 32638777 1 407972 0 0 0 ta2 199543 203571 22...

Page 300: ...12 14 SANRAD V Switch CLI User Manual ...

Page 301: ...0 platform for Basic V Switch configuration with volume creation and exposure Individual disk replacement and mirrored volume reconstitution Off line data replication IP routing path configuration Basic cluster configuration Sample Introduction Installing and Using the V Switch 3000 Replacing a Mirrored Volume Replicating Data Off line Configuring the V Switch with a Single IP Routing Path Configu...

Page 302: ...e One JBOD appliance with four disks of equal capacity the actual capacity is not important connected to the 3000 One PC acting as both management station for the 3000 and network host station for the storage network The management station function is connected to the 3000 via an RS232 cable The network host function is connected to the 3000 via a 1 Gbit Ethernet RJ45 cable An IP address assigned ...

Page 303: ...2 cable from your management host station to the console port Console on the back panel of the V Switch See 2 Figure A 1 Attach an RJ45 copper 1 Gbit Ethernet cable to the Ethernet port Eth1 on the front panel of the V Switch See 3 Figure A 1 Your network should mimic Figure A 1 10232 Client s Disk 1 Disk 2 Disk 4 Disk 3 V Switch Manager and Host Station RS232 Connection Fibre Channel Connection W...

Page 304: ...g your PC as both the V Switch s management station and the network host station Before you can open a CLI session via the RS232 connection your console must be configured to allow communication between the two devices Open your terminal emulation program and set the system parameters as follows Table A 1 Console Configuration Parameters PARAMETER SYSTEM REQUIREMENT CONFIG SERIAL PORT COM BITS PER...

Page 305: ... network port Eth 1 Configure the port as active 1 to allow active communications through the port ip config set ip 172 17 200 174 if eth1 im 255 255 255 0 act 1 STEP 7 CONFIGURE ISCSI PORTAL The port number you set in the CLI must coincide with the port number you set in your iSCSI initiator configuration Use the CLI command iscsi portal create to configure the iSCSI portal on network port Eth 1 ...

Page 306: ...450 0 Enabled disk STEP 9 CREATE SIMPLE VOLUMES Use the CLI command volume create simple to create four simple virtual volumes one from each physical disk volume create simple vol Simple1 d Stor_1 volume create simple vol Simple2 d Stor_2 volume create simple vol Simple3 d Stor_3 volume create simple vol Simple4 d Stor_4 STEP 10 CREATE MIRRORED VOLUMES RAID 1 Use the CLI command volume create mirr...

Page 307: ...al volume configuration that you want to expose to the network host you need to create an iSCSI target for the volume as well as attach LUN0 to the target volume Use the CLI command volume expose new to create the iSCSI target and attach LUN0 to the striped volume Stripe1 volume expose new vol Stripe1 ta storage tn sanrad billing device VSwitch STEP 13 CONFIGURE HOST STATION INITIATOR Open the Mic...

Page 308: ...igure A 4 Portal Configuration Enter the IP address of Eth1 172 17 200 174 and select the socket for the IP address Click OK The Microsoft initiator automatically discovers all available targets for this portal IP TCP Toggle to the Available Targets tab to view all available targets Figure A 5 Available Target ...

Page 309: ... has gone offline Simulate this by removing a physical disk from the JBOD case You must replace the disk with a new one and reconstruct the volume hierarchy built with the simple volume on Disk 4 Your mirrored volume Mirror2 created from simple volumes 3 and 4 on disks 3 and 4 respectively will continue to operate while your physical disk is down and you replace one of its simple volumes This exam...

Page 310: ...tion 3 Disk 3 Disk 5 JBOD 1 Figure A 7 Replacing a Failed Disk STEP 1 SELECT A REPLACEMENT DISK Insert a replacement blade of the same size according to your specific manufacture s instructions STEP 2 CHECK STORAGE DEVICES Use the CLI command storage show to view the new disk s alias You will need this alias to create a replacement simple volume Note that the failed disk still appears in the table...

Page 311: ...failed disk with simple volume 5 in the mirrored volume hierarchy volume replace vol Simple4 nvol Simple5 STEP 5 CHECK VOLUME STATUS Use the CLI command volume show to view the volume status Note that Simple4 is defined as Nonfunctional while Simple5 is defined as NeedSync Alias Vol Type of Blocks Block Size State Simple3 Simple 1024 512 Exposed Simple4 Simple 1024 512 Nonfunct Simple5 Simple 1024...

Page 312: ...re Stor_5 500708206059f880 0 Enabled entire Replicating Data Off line You have a four disk legacy JBOD You want to upgrade to a new JBOD and need to replicate the contained data from the old device to the new device as expediently as possible None of the disks are virtualized or exposed You must virtualize all of the physical disks to simple volumes with the same capacity and block size If the new...

Page 313: ...EVICES Attach the legacy JBOD to the V Switch and configure the storage port communications as needed See Chapter 4 Configuring Storage Ports Use the CLI command storage show to view the attached storage Table A 6 Legacy JBOD Disks Alias Entity Name LUN Oper Status Subdisk Stor_1 200507606058c90 0 Enabled entire Stor_2 2000002037f88fb8 0 Enabled entire Stor_3 2000002037c32b1f 0 Enabled entire Stor...

Page 314: ...tire Stor_4 2000002037c32450 0 Enabled entire Stor_5 500708206059f880 0 Enabled entire Stor_6 500003504206a683 0 Enabled entire Stor_7 500065470490f321 0 Enabled entire Stor_8 500000024364h764 0 Enabled entire STEP 2 CREATE SIMPLE VOLUMES Use the CLI command volume create simple to create a simple volume from each disk Use one standard for naming the legacy JBOD simple volumes and another for nami...

Page 315: ...lume copy create src OS4 dst NS4 STEP 4 CHECK REPLICATION STATUS Use the CLI command volume mirror show to check the replication status Table A 8 Replication Status Source Destination Oper Status Admin Status Progress NONE OS1 synch None 0 OS1 NS1 synch dataRep 25 NONE OS2 synch None 0 OS2 NS2 synch dataRep 13 NONE OS3 synch None 0 OS3 NS3 synch dataRep 7 NONE OS4 synch None 0 OS4 NS4 synch dataRe...

Page 316: ...One LAN connection to Ethernet port Eth2 via a 1 Gbit Ethernet RJ45 cable See 3 in Figure A 9 One external network connection to the LAN The hosts 1 and 2 run on the Windows 2000 platform and have the IBM iSCSI initiator v 1 2 2 software installed An IP address has already been assigned to the management station The management port Eth 1 IP address will be assigned 100 100 100 2 The network port E...

Page 317: ... 199 43 90 IP address 100 100 100 1 t LAN A JBOD 1 Figure A 9 IP Routing Topology STEP 1 ATTACH CABLES Attach an HSSDC DB9 fibre channel cable from your JBOD appliance to one of the storage ports on the back panel of the V Switch See 1 in Figure A 9 Depending on your appliance you need to plug a terminator into one of the JBOD ports Attach an RJ45 copper 1 Gbit Ethernet cable from the Ethernet por...

Page 318: ...screen appears IP CONFIG Press Enter again The IP Config ETH1 Port screen appears IP Config ETH1 Port Press Enter The Insert IP screen appears Insert IP 0 0 0 0 0 0 0 0 0 0 0 0 Enter the management port IP address The left right buttons toggle between places in the IP address The up down buttons scroll between numbers Press Enter after inputting the full address Insert IP 1 0 0 1 0 0 1 0 0 0 0 2 P...

Page 319: ...e now logged in and ready to begin configuring your V Switch for volume virtualization and exposure STEP 6 CONFIGURE NETWORK PORT ETH 2 IP ADDRESS Use the CLI command ip config set to configure the network port Eth 2 for communications between the V Switch and host stations ip config set if eth2 ip 212 199 43 56 im 255 255 255 0 act 1 STEP 7 CONFIGURE ISCSI PORTAL The port number you set in the CL...

Page 320: ...isks were registered during the disk auto discovery scan This also lists the default disk aliases needed for creating your virtual volumes storage show Table A 9 Storage Disks Alias Entity Name LUN Oper Status Subdisk Stor_1 500507606058c90 0 Enabled entire Stor_2 2000002037f88fb8 0 Enabled entire Stor_3 2000002037c32b1f 0 Enabled entire Stor_4 2000002037c32450 0 Enabled entire STEP 10 CREATE SIMP...

Page 321: ...D 1 Use the CLI command volume create striped to create a striped volume Stripe1 volume create striped vol Stripe1 nbc 2 sus 64 ch Mirror1 ch Mirror2 STEP 13 CREATE ISCSI TARGET AND LUN After creating the final virtual volume configuration that you want to expose to the network hosts you need to create an iSCSI target for the volume as well as attach LUN0 to the target volume Use the CLI command v...

Page 322: ... Target Portal dialog box opens Figure A 12 Portal Configuration Enter the IP address of Eth1 172 17 200 174 and select the socket for the IP address Click OK The Microsoft initiator automatically discovers all available targets for this portal IP TCP Toggle to the Available Targets tab to view all available targets ...

Page 323: ... BEGIN USING VOLUME The new disk should be configured as a basic disk only You can access Windows Disk Management application by right clicking on My Computer and selecting Manage Select Disk Management from the Computer Management window Figure A 14 Disk Management Window ...

Page 324: ...rosoft iSCSI initiators and running on Windows 2000 OS You will create identical V Switch and volume configuration files for each V Switch with only the V Switch aliases being unique You will create two mirrored volumes Mirror1 and Mirror2 one to be exposed on V Switch 1 to one host and one to be exposed on V Switch 2 to both hosts This example explains how to Initialize the V Switches via the LCD...

Page 325: ...43 50 Telnet Station JBOD 1 Figure A 15 Cluster Topology STEP 1 ATTACH CABLES Attach an HSSDC DB9 fibre channel cable from your JBOD appliance to one of the storage ports on the back panel of V Switch 1 See 1 in Figure A 15 Depending on your appliance you need to plug a terminator into one of the JBOD ports Attach an RJ45 copper 1 Gbit Ethernet cable from the Ethernet port Eth1 on the front panel ...

Page 326: ...V Switch 1 to configure the V Switch management port IP address and mask Toggle to the IP Configure ETH1 Port screen Press Enter The IP Configuration screen appears IP CONFIG Press Enter again The IP Config ETH1 Port screen appears IP Config ETH1 Port Press Enter The Insert IP screen appears Insert IP 0 0 0 0 0 0 0 0 0 0 0 0 Enter the management port IP address The left right buttons toggle betwee...

Page 327: ...the IP address The up down buttons scroll between numbers Press Enter after inputting the full address Insert IP 2 1 2 1 9 9 0 4 3 0 4 2 Press Enter to enter the IP address and progress to the IP Mask screen Mask 2 5 5 2 5 5 2 5 5 0 0 0 If you want to change from the default mask use the left right buttons to toggle between places in the mask and the up down buttons scroll between numbers Press En...

Page 328: ...osure STEP 7 NAME V SWITCH 1 Use the CLI command init to name V Switch 1 You will need this name later for exposing volumes init n VSwitch1 STEP 8 LOGIN TO THE V SWITCH 2 MANAGEMENT PORT From your management terminal open another Telnet session this time with the management port on V Switch 2 From the Windows Start menu select Run In the Open window enter telnet 212 199 43 42 Click OK A Telnet ses...

Page 329: ...to provide V Switch failover To do this you need to tell each one that the other one exists Use the CLI command neighbor add to tell each V Switch that it has a neighbor To V Switch 1 add V Switch 2 as a neighbor neighbor add nb VSwitch2 ip 212 199 43 42 To V Switch 2 add V Switch 1 as a neighbor neighbor add nb VSwitch1 ip 212 199 43 41 STEP 11 CONFIGURE V SWITCH 1 NETWORK PORT ETH 1 IP ADDRESSES...

Page 330: ... 5003 Use the CLI command again to configure the iSCSI portal for the inactive IP address on Eth 2 to allow iSCSI communications via this IP on VSwitch1 in the event of VSwitch2 failover iscsi portal create ip 212 199 43 75 p 5003 STEP 13 CONFIGURE V SWITCH 2 NETWORK PORT ETH 1 IP ADDRESSES Use the CLI command ip config set to configure the network port Eth 1 for communications between VSwitch2 an...

Page 331: ...creating your simple volumes storage show Table A 10 Storage Disks as seen through V Switch 1 Alias Entity Name LUN Oper Status Subdisk Stor_1 2000002037f88fb8 0 Enabled entire Stor_2 500507606058c90 0 Enabled entire Stor_3 2000002037c32b1f 0 Enabled entire Use the unique disk entity names WWUIs and NOT the default disk aliases to duplicate virtual volume hierarchies in each V Switch Stor_4 200000...

Page 332: ...RORED VOLUMES RAID 0 Use the CLI command volume create mirror to create a mirrored volume Mirror1 from simple volumes Simple1 and Simple2 volume create mirror vol Mirror1 nbc 2 ch Simple1 ch Simple2 Use the CLI command volume create mirror to create a mirrored volume Mirror2 from simple volumes Simple3 and Simple4 volume create mirror vol Mirror2 nbc 2 ch Simple3 ch Simple4 STEP 18 CREATE ISCSI TA...

Page 333: ...mmand volume create mirror to create a mirrored volume Mirror1 from simple volumes Simple1 and Simple2 volume create mirror vol Mirror1 nbc 2 ch Simple1 ch Simple2 Use the CLI command volume create mirror to create a mirrored volume Mirror2 from simple volumes Simple3 and Simple4 volume create mirror vol Mirror2 nbc 2 ch Simple3 ch Simple4 STEP 21 CREATE ISCSI TARGET AND LUN After creating the fin...

Page 334: ... 1 Figure A 18 Microsoft iSCSI Initiator Click Add from the Target Portals tab The Add Target Portal dialog box opens Figure A 19 Portal Configuration Enter the IP address of Eth1 212 199 43 56 and select the socket for the IP address Click OK The Microsoft initiator automatically discovers all available targets for this portal IP TCP ...

Page 335: ...s A 35 Toggle to the Available Targets tab to view all available targets for the configured portal Figure A 20 Available Target STEP 23 CONFIGURE HOST STATION 2 INITIATOR Open the Microsoft iSCSI initiator program on host station 2 ...

Page 336: ...al dialog box opens Figure A 22 Portal Configuration Enter the IP address of Eth1 212 199 43 56 and select the socket for the IP address Click OK The Microsoft initiator automatically discovers all available targets for this portal IP TCP Toggle to the Available Targets tab to view all available targets for the configured portal ...

Page 337: ...ions A 37 Figure A 23 Available Target Because host 2 has access to two targets you need to add the second initiator to access the target sanrad musicbox Figure A 24 2nd Microsoft iSCSI Initiator Configuration for Host Station 2 ...

Page 338: ...A 38 SANRAD V Switch User Manual Toggle to the Available Targets tab to view all available targets for the host 2 initiator Figure A 25 All Available Targets ...

Page 339: ... set 11 56 show 7 14 11 55 11 57 up 11 62 Activate snapshot 8 10 8 14 Actual capacity 8 19 8 24 Add acl 11 56 acl identity chap 11 60 acl identity srp 11 61 admin 4 11 11 3 IP route 4 24 10 13 11 13 11 14 iSCSI remote portal 11 54 iSCSI remote portal add 4 22 iSNS 4 18 10 6 mirror 11 38 neighbor 5 6 11 16 RADIUS 7 26 11 63 SNMP manager 4 9 11 10 user profile 10 7 Add name acl identity 11 59 Admin ...

Page 340: ...ume 11 33 Configure cluster A 24 IP routing 4 23 IP set A 5 iSCSI 4 19 network ports 4 14 storage port 4 11 V Switch cluster 5 5 V Switch single IP A 16 Console A 3 Console port 2 10 3 9 Corrupted database 10 24 Create acl identity 11 58 activate snapshot 8 10 concatenated volume 6 14 11 33 iSCSI portal 4 19 11 43 iSCSI target 11 45 mirrored volume 11 32 RAID 0 1 6 25 simple volume 6 12 11 32 snap...

Page 341: ...s 6 5 11 25 remove 10 16 11 27 set 6 5 11 25 show 11 24 A 10 A 13 A 14 Disk failure 11 36 11 37 Down acl 11 63 identity 11 63 Download software 10 10 11 20 E Enable cluster failover 5 9 10 19 11 19 Expand volume 8 24 11 40 Export corrupted database 10 25 11 20 problem 10 25 11 20 Expose new volume 11 65 volume 7 30 11 42 11 65 F Fabric 4 13 Fahrenheit 4 6 12 2 Failover cluster 5 9 10 19 11 19 disa...

Page 342: ...1 64 radius show 7 27 11 63 IP config remove 4 16 10 12 11 13 set 4 14 show 4 15 IP configuration set 10 11 11 12 show 11 12 IP route add 4 24 10 13 11 13 11 14 config 4 23 default 4 25 remove 4 27 10 14 11 14 show 4 26 11 14 IP statistics show 11 69 11 70 12 4 12 5 iSCSI alias target 11 45 create target 11 45 portal create 11 43 portal remove 4 20 11 43 portal show A 5 remote initiator list 11 52...

Page 343: ...eep alive parameters 11 18 Keep alive signal 5 8 Key 7 26 11 63 L Last good configuration 10 24 LCD 3 10 10 24 A 4 LED 2 4 3 3 GB indicator 2 11 3 12 network port 2 9 3 7 power indicator 2 11 3 12 List iSCSI remote initiator 11 52 12 12 Load threshold 8 9 Logical Unit Number 7 2 Logical Unit statistics 12 13 LU details 11 66 remove 9 6 11 67 show 11 66 statistics show 11 67 LU statistics 12 13 LUN...

Page 344: ... 3 7 FC 2 7 3 6 fiber optic 3 7 management 3 9 network 2 10 3 9 RJ45 2 9 3 7 RS232 2 10 3 9 SCSI 2 7 3 6 Telnet 10 3 Potential capacity 8 19 Power supply 10 20 Private Loop 4 13 Protocol bridging 1 2 PSCSI set 4 13 11 10 show 4 12 11 10 Public Loop 4 13 R RADIUS add 7 26 11 63 key 7 26 11 63 remove 11 64 set 11 64 show 7 27 11 63 Read community 4 9 Remote initiator statistics 12 12 Remove acl 11 5...

Page 345: ...3 FC port type 4 13 fc speed 11 8 FC speed 4 13 identity 11 62 interface 10 11 11 9 IP configuration 4 14 10 11 11 12 A 5 iSCSI remote portal 4 21 iSCSI target 9 6 11 46 neighbor 5 11 10 18 11 16 pscsi bus ID 4 12 RADIUS 11 64 SNMP manager 10 5 srp identity 11 62 storage 6 4 10 16 11 26 subdisk 10 17 11 29 Telnet 4 9 volume 9 1 11 34 SFP 3 7 Show acl 7 14 11 55 11 57 admin 11 3 cluster 5 9 11 18 d...

Page 346: ...y 11 61 remove identity 11 61 Statistics interface 12 3 iSCSI connections 12 10 iSCSI initiator port 11 53 12 13 iSCSI sessions 12 7 iSCSI target 11 49 12 9 LU 12 13 LU show 11 67 remote initiator 12 12 SCSI port 12 11 SCSI target port 11 52 12 11 TCP IP 12 4 Storage blink abort 6 4 11 24 blink activate 6 3 11 24 details 6 5 11 25 discovery 11 23 disk set 6 5 11 25 disk show 11 24 remove 10 16 11 ...

Page 347: ...witch reset to factory default 11 4 system reset 11 4 V Switch configuration 11 2 V Switch configuration 11 2 View iSNS 4 18 snapshot 8 14 Volume add mirror 11 38 alias 6 12 9 1 11 31 break mirror 11 39 concatenated 6 14 11 33 copy create A 15 create 6 6 create activate snapshot 8 10 create simple A 11 A 14 create snapshot 8 10 details 11 30 expand 8 25 11 40 expose 7 30 11 42 11 65 expose new 11 ...

Page 348: ...1 32 RAID 0 1 6 21 RAID 10 6 21 simple 11 32 stripe 6 16 11 33 transparent 6 6 11 32 volume snapshot rollback abort 8 16 rollback show 8 15 rollback start 8 15 V Switch 1 2 configuration single IP A 16 initiate A 5 install A 2 management 4 2 reset 10 8 use A 2 V Switch cluster configuring 5 5 W World Wide Node Name 4 14 World Wide Port Name 4 13 11 7 World Wide Unique Identifier 7 2 Write cache en...

Reviews:

No comments