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302  ©  

Copyright 2017 QSAN Technology, Inc. All Right Reserved. 

drive failures or unplugging, but in different arrays. 

RAID 60 

Striping over the member of RAID 6 volumes. RAID 60 allows four disk 
drive failures or unplugging, every two in different arrays. 

14.3.

 

Volume Restoration 

The 

Volume Restoration

 can restore the volume configuration from the volume creation 

history. It is used for pool corruption and tries to recreate the volume. When trying to do 
data recovery, the same volume configurations as original must be set and all member 
disks must be installed by the same sequence as original. Otherwise, data recovery will fail. 
The volume restoration does not guarantee that the lost data can be restored. Please get 
help from an expert before executing this function. 

 

 

Figure 14-1 

Volume Restoration 

 

This table shows the column descriptions. 

 

Table 14-2 

Volume Restoration Column Descriptions 

Column Name 

Description 

Pool Name 

The original pool name. 

RAID 

The original RAID level. 

Volume 

The original volume name. 

Volume Capacity  The original capacity of the volume. 
Disks Used 

The original quantity of physical disk in the pool. 

Disk Slot 

The original physical disk locations. 

Содержание XCubeSAN XS5224D

Страница 1: ...XCubeSAN SANOS 4 0 User s Manual Applicable Models XS5224D XS5216D XS5212D XS5212S XS5226D XS5226S XS3224D XS3224S XS3216D XS3216S XS3212D XS3212S XS3226D XS3226S QSAN Technology Inc www QSAN com...

Страница 2: ...nited States and or other countries Linux is a trademark of Linus Torvalds in the United States and or other countries UNIX is a registered trademark of The Open Group in the United States and other c...

Страница 3: ...Controller Type Form Factor Bay Count and Rack Unit XS5212D Dual Controller LFF 12 disk 2U Chassis XS5212S Single Controller LFF 12 disk 2U Chassis XS3212D Dual Controller LFF 12 disk 2U Chassis XS32...

Страница 4: ...antee that these measurements will be the same on generally available systems Furthermore some measurements may have been estimated through extrapolation Actual results may vary Users of this document...

Страница 5: ...iguration Planning for Initial Setup 15 2 1 2 Management IP Configuration Planning 16 2 1 3 Notification Configuration Planning 16 2 1 4 iSCSI Configuration Planning 16 2 1 5 Fibre Channel Configurati...

Страница 6: ...atus 67 6 3 3 UPS Settings and Status 68 6 4 Notification Settings 71 6 4 1 Email Settings 71 6 4 2 Alert Settings 72 6 4 3 SNMP Settings 74 6 5 Maintenance 76 6 5 1 System Information 76 6 5 2 Firmwa...

Страница 7: ...ng Pools 126 8 4 1 Create a Thick Provisioning Pool 126 8 4 2 List Thick Provisioning Pools 131 8 4 3 Operations on Thick Provisioning Pools 133 8 4 4 Migrate a Thick Provisioning Pool 136 8 4 5 Opera...

Страница 8: ...Capacity 183 10 2 2 SSD Cache Pool Architecture 184 10 2 3 RAID Level of SSD Cache Pool 186 10 2 4 Read Write Cache Cases 188 10 2 5 Populating the Cache 192 10 2 6 SSD Cache Tuning 193 10 3 Configur...

Страница 9: ...pshots 247 12 1 5 Snapshot Notices 248 12 2 Managing Local Clones 250 12 2 1 Theory of Operation 251 12 2 2 Configure Local Clone 253 12 2 3 Configure Schedule Local Clone Tasks 256 12 2 4 Local Cloni...

Страница 10: ...n Methodology 299 14 1 1 Basic Steps 299 14 1 2 Stopping I O 299 14 1 3 Diagnostic Steps 300 14 2 Rebuild 300 14 3 Volume Restoration 302 14 3 1 Configure Volume Restoration 303 15 Support and Other R...

Страница 11: ...gure 5 3 System Information Block in the Dashboard 51 Figure 5 4 System Information Popup Window 52 Figure 5 5 System View Block in the Dashboard 53 Figure 5 6 Pool Information Popup Window 54 Figure...

Страница 12: ...93 Figure 7 8 Set Jumbo Frame 94 Figure 7 9 Ping Host 95 Figure 7 10 Entity Name and iSNS Settings 96 Figure 7 11 iSCSI Targets 97 Figure 7 12 Authentication Method 97 Figure 7 13 Change CHAP Users 98...

Страница 13: ...25 Migrate RAID Level Step 1 137 Figure 8 26 Migrate RAID Level Step 2 138 Figure 8 27 Migrate RAID Level Step 3 138 Figure 8 28 Migrate RAID Level Step 4 139 Figure 8 29 Pools Function Submenu 140 F...

Страница 14: ...p 1 176 Figure 9 19 Create a Volume in Thin Provisioning Pool Step 2 177 Figure 9 20 Create a Volume in Thin Provisioning Pool Step 3 178 Figure 9 21 A Volume in Thin Provisioning Pool is Created 178...

Страница 15: ...1 15 Relocation Schedule 226 Figure 11 16 Relocate Now 226 Figure 11 17 Add Disk Group 227 Figure 11 18 Hot Spares in Auto Tiering Pool 228 Figure 11 19 Create a Volume of Auto Tiering Pool Step 1 229...

Страница 16: ...Remote Replication Steps 263 Figure 12 28 Snapshot Function Submenu 264 Figure 12 29 Example of Creating a Remote Replication Task 265 Figure 12 30 Create Target Volume in Site B 266 Figure 12 31 Lis...

Страница 17: ...Created 289 Figure 13 1 Log Center Function Submenu 290 Figure 13 2 Event Logs 290 Figure 13 3 Download Event Logs 291 Figure 13 4 Enclosure Function Submenu 292 Figure 13 5 Hardware Monitoring 293 F...

Страница 18: ...ers 87 Table 7 2 Fibre Channel Parameters 88 Table 7 3 Active Sessions Column Descriptions 103 Table 8 1 RAID Level Summary 1 111 Table 8 2 RAID Level Summary 2 112 Table 8 3 Thick Provisioning Pool P...

Страница 19: ...Pool Column Descriptions 222 Table 11 4 Disk Group Column Descriptions 223 Table 11 5 Disk Column Descriptions 224 Table 11 6 Pool Tiering Status Column Descriptions 225 Table 12 1 Snapshot Parameters...

Страница 20: ...ocuments There are related documents which can be downloaded from the website All XCubeSAN Documents XCubeSAN QIG Quick Installation Guide XCubeSAN Hardware Owner s Manual XCubeSAN Configuration Works...

Страница 21: ...ble describes the typographic conventions used in this manual Conventions Description Bold Indicates text on a window other than the window title including menus menu options buttons fields and labels...

Страница 22: ...xx Copyright 2017 QSAN Technology Inc All Right Reserved arguments Slash Indicates all options or arguments underline Indicates the default value Example a b...

Страница 23: ...equipped with a refreshingly simple to use web based GUI and easily is deployable into any infrastructure Based on the Linux kernel the 64 bit in house developed SANOS delivers comprehensive storage...

Страница 24: ...oncatenate stripe together or otherwise combine partitions into larger virtual ones that administrators can re size or move potentially without interrupting system use Of course it may rely on the sys...

Страница 25: ...controller is alive Cache mirror synchronizes the memory data of both controllers including the status and storage configuration When one controller fails the other controller can seamlessly take over...

Страница 26: ...lowing functionality for administrator management Figure 1 4 SANOS 4 0 Desktop Panel System Management Change system name date and time Change admin s password user s password and configure login opti...

Страница 27: ...10 30 50 60 and N way mirror Support thick provisioning pool and online migrate RAID pool Support thin provisioning pool with space reclamation Support 3 tier auto tiering with scheduled relocation a...

Страница 28: ...logy In this section we introduce the terms that are used for the storage system throughout this manual RAID RAID is the abbreviation of Redundant Array of Independent Disks There are different RAID l...

Страница 29: ...ial data transfer allows the use of longer cables than parallel data connections Thick Provisioning Thick provisioning is allocated upon creation the physical disk drive space and is equal to the user...

Страница 30: ...rformance by keeping frequently accessed data on SSDs where they are read write far more quickly than from the HDD volume Snapshot A volume snapshot is the state of a system at a particular point in t...

Страница 31: ...lease refer to the Table 2 1 for the content of worksheet You can download this worksheet here XCubeSAN Configuration Worksheet Table 2 1 Configuration Worksheet 1 Initial Configuration Item Value Sys...

Страница 32: ...ess 3 SMTP Server Network name or IP address of SMTP Simple Mail Transfer Protocol server Syslog Server optional FQDN or IP address of syslog server SNMP Trap Addresses optional FQDNs or IP addresses...

Страница 33: ...SI Host Card SFP or 4 port 1GBASE T iSCSI Host Card RJ45 Controller 1 Slot 2 LAN1 Slot 2 LAN2 Slot 2 LAN3 Slot 2 LAN4 IP Address Subnet Mask Gateway Controller 2 Slot 2 LAN1 Slot 2 LAN2 Slot 2 LAN3 Sl...

Страница 34: ...l Host Card SFP Controller 1 Slot 1 FC1 Slot 1 FC2 Slot 1 FC3 Slot 1 FC4 Link Speed Topology Controller 2 Slot 1 FC1 Slot 1 FC2 Slot 1 FC3 Slot 1 FC4 Link Speed Topology 6 Pool Configuration Item Valu...

Страница 35: ...N for access control Wildcard for access by all hosts Target iSCSI Target or Fibre Channel Target LUN Support LUN Logical Unit Number from 0 to 255 Permission Read only or Read write 9 SSD Cache Confi...

Страница 36: ...et Volume Name Select one of created volume for target Target Volume Capacity Check the capacity of target volume Schedule Local Clones optional Define the cycle of local clones 12 Remote Replication...

Страница 37: ...onal Limit the transfer rate at off peak hour Off peak Hour optional Define the off peak hours Now please follow the steps and fill the worksheet out for initial system configuration 2 1 1 Configurati...

Страница 38: ...ler 2 is optional If enabling the dual management ports setting both management ports of controller 1 and 2 have their own IP addresses and both are active Otherwise only the management port of master...

Страница 39: ...as shown below Figure 2 1 Dual controller Topology If you are using onboard iSCSI LAN ports please fill in part 4 onboard iSCSI port IP addresses of iSCSI port configuration Optionally if you have iS...

Страница 40: ...entity CHAP requires that both the client and server know the plaintext of the password secret although it is never sent over the network For CHAP username the maximum length of name is 223 character...

Страница 41: ...activities are in the following please fill in part 6 pool configuration in Table 2 1 The pool name the maximum length of name is 16 characters According to the pool and disk drive characteristics su...

Страница 42: ...em performance Please fill in part 9 SSD cache configuration in Table 2 1 For SSD cache planning the capacity of read cache is the sum of SSDs But the capacity of read write cache is half of all SSDs...

Страница 43: ...SI port IP addresses in target unit to receive the replication data Also prepare CHAP username and password if the target unit is enabled CHAP authentication Prepare a target volume and set it as back...

Страница 44: ...imum Pool Quantity per System 64 Maximum Dedicated Spare Quantity in a Pool 8 Thin Provisioning Pool Parameters Item Value Maximum Disk Group Quantity in a Thin Provisioning Pool 32 Maximum Disk Drive...

Страница 45: ...aximum capacity of an SSD cache pool 32TB Maximum quantity of volume shared in an SSD cache pool 32 Maximum dedicated spare SSD quantity in an SSD cache pool 4 Snapshot Parameters Item Value Maximum S...

Страница 46: ...d The maximum length of the password is 12 characters Valid characters are A Z a z 0 9 _ 1234 NTP Server FQDN Fully Qualified Domain Name or IP address of NTP Network Time Protocol server pool ntp org...

Страница 47: ...Address 1 snmp1 company com SNMP Trap Address 2 snmp2 company com SNMP Trap Address 3 snmp3 company com 4 iSCSI Port Configuration Item Value Onboard iSCSI Port IP Addresses IP address subnet mask and...

Страница 48: ...2 LAN2 Slot 2 LAN3 Slot 2 LAN4 IP Address 10 10 41 1 Subnet Mask 255 255 255 0 Gateway 10 10 41 254 Entity Name The entity name is for a device or gateway that is accessible from the network The maxi...

Страница 49: ...g Thin Provisioning or Auto Tiering Thin Provisioning Enabled Auto Tiering Pool Name The maximum length of the pool name is 16 characters Valid characters are A Z a z 0 9 _ PL1 Disks Disk type disk qu...

Страница 50: ...LUN 0 Permission Read only or Read write Read write 9 SSD Cache Configuration Item Value SSD Cache Pool Name The maximum length of the pool name is 16 characters Valid characters are A Z a z 0 9 _ SC...

Страница 51: ...Daily 01 00 12 Remote Replication Configuration Item Value Source Volume Name Select one of created volume for source V1 PL1 Source Volume Capacity Check the capacity of source volume 8TB Source iSCSI...

Страница 52: ...ck the capacity of target volume 8TB Schedule Remote Replications optional Define the cycle of remote replications Daily 02 00 Traffic Shaping for Peak Hour optional Limit the transfer rate at peak ho...

Страница 53: ...cables including power cords Ethernet fibre channel and SAS cables are connected properly especially network cable connects to the management port If everything is ready now you can power on the syste...

Страница 54: ...stalled run the QFinder jar program The SAN storage system in your network will be detected and listed in the table Figure 3 1 QFinder Utility Using the example in Figure 3 2 the default setting of th...

Страница 55: ...uter to the same subnet domain of the storage system e g 169 254 1 1 16 Then open a browser and enter http 169 254 1 234 to go into the login page For more information about zero configuration please...

Страница 56: ...ip this section to start the operations of web UI in next chapter You can execute Reset to Defaults function in SYSTEM SETTINGS Maintenance Reset to Defaults Please refer to the chapter 6 5 5 Reset to...

Страница 57: ...ck the Next button to proceed Figure 3 4 Initial Configuration Step 2 7 Assign an IP address for the management port by DHCP BOOTP or Static IP Address INFORMATION DHCP The Dynamic Host Configuration...

Страница 58: ...devices from a configuration server While some parts of BOOTP have been effectively superseded by the DHCP which adds the feature of leases parts of BOOTP are used to provide service to the DHCP proto...

Страница 59: ...ing Started 37 10 Verify all items and then click the Finish button to complete the initial configuration You have to login with the new IP address of the management port and new admin password next t...

Страница 60: ...anagement web user interface open a supported web browser and enter the management IP address or Hostname of the system The login panel is displayed as shown in Figure 4 1 Figure 4 1 Login Page of web...

Страница 61: ...by function icon and uppercase letter such as DASHBOARD SYSTEM SETTINGS etc The following is the second level function submenus such as General Settings Management Port etc This provides an efficient...

Страница 62: ...l Settings Management Port Management Port Power Settings Boot Management Cache to Flash UPS Notifications Email Alert SNMP Maintenance System Information Update Firmware Synchronization System Identi...

Страница 63: ...unction menus of Dashboard and Hardware Monitoring Dashboard Select Dashboard function menu provides summary of the overall system For more information please refer to the chapter 5 1 Dashboard sectio...

Страница 64: ...se refer to the chapter 6 3 Power Settings section in the System Settings chapter Notifications Select Notifications function menu to setup notification settings of email syslog popup alert LCM alert...

Страница 65: ...statistics For more information please refer to the chapter 7 4 Configure for Fibre Channel Connectivity section in the Host Configuration chapter 4 3 4 Storage Management Menu The STORAGE MANAGEMENT...

Страница 66: ...n menu to manage snapshots including setting up snapshot space taking snapshots rollback to a snapshot and scheduling snapshots For more information please refer to the chapter 12 1 Managing Snapshots...

Страница 67: ...mation please refer to the chapter 13 1 Log Center section in the Monitoring chapter Enclosures Select Enclosures function menu to view hardware monitor status and enable SES SCSI Enclosure Services F...

Страница 68: ...he LCM options use the ENT Enter button ESC Escape button up and down to scroll through the functions MUTE button to mute the buzzer when the system alarms If there are event logs occurred events will...

Страница 69: ...ntrol settings of the host connectivity INFORMATION DHCP The Dynamic Host Configuration Protocol is a standardized network protocol used on IP Internet Protocol networks for dynamically distributing n...

Страница 70: ...t Shutdown Reset Yes No Shutdown Yes No View IP Setting IP Config Static IP DHCP BOOTP IP Address 192 168 001 234 IP Subnet Mask 255 255 255 0 IP Gateway xxx xxx xxx xxx Change IP Config DHCP BOOTP St...

Страница 71: ...SANOS User Interface 49 nnnnn RPM Power Supply Local PSU n status Reset to Default Yes No...

Страница 72: ...These pages may help user to quickly view the basic information and system health 5 1 Dashboard Select the Dashboard function submenu to show summary of overall system It s divided into four blocks i...

Страница 73: ...age Dual Controller Degraded In dual controller mode one controller or one of expansion unit fails or they have been plugged out Please replace or insert a good controller Dual Controller Lockdown In...

Страница 74: ...ure Fault Temperature is abnormal Voltage Fault Voltage values are out of range UPS Fault UPS connection has failed Clicking More will pop up a window of system information details Figure 5 4 System I...

Страница 75: ...s and its basic information Table 5 2 Storage View Block Descriptions Column Name Description Name Pool name Health The health of the pool Good The pool is good Failed The pool is failed Degraded The...

Страница 76: ...lume Column Descriptions Column Name Description Name Volume name Health The health of the volume Optimal the volume is working well and there is no failed disk in the RG Failed the pool disk of the V...

Страница 77: ...of the disk group Online The disk group is online Offline The disk group is offline Rebuilding The disk group is being rebuilt Migrating The disk group is being migrated Relocating The disk group is b...

Страница 78: ...sk drive Good The disk drive is good Failed The disk drive is failed Error Alert S M A R T error alerts Read Errors The disk drive has unrecoverable read errors Capacity The capacity of the disk drive...

Страница 79: ...nction tab of Log Center function submenu to view complete event logs Figure 5 8 Event Logs in the Dashboard TIP The displaying types of the event logs are the same as the event level filter in Event...

Страница 80: ...Figure 5 9 Hardware Monitoring Function Submenu Figure 5 10 Hardware Monitoring There are many voltage and temperature sensors on the controller and backplane If the statuses of every sensor are Good...

Страница 81: ...ll display Failed So you may click More to see details on what component has a fault Clicking More of every enclosure will pop up a window of enclosure status in detail Figure 5 11 Head Unit Popup Win...

Страница 82: ...ment Port Power Settings Notification and Maintenance 6 1 General System Settings Select the General Settings function submenu to show the information of system name date and time and login related se...

Страница 83: ...Settings Options of System Settings The options available in this tab System Name Change the system name highlight the old name and type in a new one Maximum length of the system name is 32 character...

Страница 84: ...k Time Protocol server Auto Logout When the auto logout option is enabled you will be logged out of the admin interface after the time specified There are Disabled default 5 minutes 30 minutes and 1 h...

Страница 85: ...oth management ports of the controllers have their own IP addresses and MAC addresses and both are active If the setting is disabled only the management port of the master controller is active the oth...

Страница 86: ...CP server reducing the need for a network administrator or a user to configure these settings manually BOOTP Similar to DHCP the Bootstrap Protocol is also a computer networking protocol used in Inter...

Страница 87: ...to Flash and UPS function tabs to show information and configuration setup Figure 6 5 Power Settings Function Submenu 6 3 1 Boot Management Settings Select the Boot Management function tab in the Pow...

Страница 88: ...perature is lower than Low Critical or higher than High Critical When one of these sensors reports above the threshold for three contifuous minutes the system will be shutdown automatically For more i...

Страница 89: ...this accessory When finished click the Apply button to take effect 6 3 2 Cache to Flash Status Select the Cache to Flash function tab in the Power function submenu to show information of power module...

Страница 90: ...Level The power level of the module Temperature The temperature of the power module Table 6 2 Flash Module Column Descriptions Column Name Description Status The status of flash module Good The flash...

Страница 91: ...UPS is on battery Low Battery The voltage of the battery is low High Battery The voltage of the battery is high Replace Battery The battery needs to be replaced Charging The battery is charging Discha...

Страница 92: ...NMP Serial UPS with COM port and USB UPS Shutdown battery Level If the power is shortage the system will execute shutdown process when reaching the UPS battery level If Communication Type selects SNMP...

Страница 93: ...integrity Privacy Protocol DES The DES Data Encryption Standard is a symmetric key algorithm for the encryption of electronic data 6 4 Notification Settings The Notifications function submenu provides...

Страница 94: ...re details Figure 6 10 Email Settings You can also select which levels of event logs which you would like to receive The default setting only includes Warning and Error event logs When finished click...

Страница 95: ...UI and show on LCM Device Buzzer Check it to enable the device buzzer Uncheck it to disable device buzzer When finished click the Apply button to tack effect TIP The device buzzer features are listed...

Страница 96: ...ogs and also setup SNMP server settings for client monitoring Figure 6 12 SNMP Settings Options of SNMP Trap Settings The options available in this tab Enable SNMP Trap Check to enable SNMP trap to se...

Страница 97: ...c hash function which is a mathematical operation run on digital data by comparing the computed hash the output from execution of the algorithm to a known and expected hash value a person can determin...

Страница 98: ...Reset to Defaults Configuration Backup Volume Restoration and Reboot Shutdown function tabs The Volume Restoration function will be described in the Volume Restoration section in the Advanced Volume A...

Страница 99: ...System Settings 77 Figure 6 14 System Information...

Страница 100: ...model memory capacity host cards and controller firmware version Please check the hardware configurations of two controllers or execute firmware synchronization Single Controller Single controller mo...

Страница 101: ...tion for more details Figure 6 15 Firmware Update Options of Firmware Update The options available in this tab Head Unit Firmware Update Please prepare new controller firmware file named xxxx bin in l...

Страница 102: ...r mode here If the system installed only one controller switch this mode to Single Controller and then click the Apply button After changing the operation mode the system must reboot manually to take...

Страница 103: ...firmware versions in both controllers are the same Figure 6 17 Both Firmware Versions are Synchronized If the firmware versions between two controllers are different it will display the warning messag...

Страница 104: ...se refer to chapter 2 System Components Overview in the XCubeSAN Hardware Owner s Manual 6 5 5 Reset to Factory Defaults Select the Reset to Defaults function tab in the Maintenance function submenu t...

Страница 105: ...ID A clean will cause the system shutdown and then you have to start manually INFORMATION The XCubeDAS XD5300 series features the seven segment LED display for users to easily identify a specific XCu...

Страница 106: ...ion Backup While the volume configuration settings are available for exporting to prevent conflicts and overwriting existing data they cannot be imported Options of Configuration Backup The options av...

Страница 107: ...ystem Before powering off the system it is highly recommended to execute Shutdown function to flush all data from memory cache into the disk drives The step is important for data protection Figure 6 2...

Страница 108: ...r standard IP networks like LAN WAN or the Internet IP SANs are true SANs Storage Area Networks which allow several servers to attach to an infinite number of storage volumes by using iSCSI over TCP I...

Страница 109: ...Controller Maximum iSCSI Session Quantity for Dual Controller 1 024 2 048 Maximum iSCSI Connection Quantity for Single Controller Maximum iSCSI Connection Quantity for Dual Controller 4 096 8 192 Maxi...

Страница 110: ...d system The base system has two 10GbE iSCSI ports onboard per controller The host cards are installed the same type on both controllers Currently host card has three types 1GbE iSCSI RJ45 10GbE iSCSI...

Страница 111: ...iSCSI or WWPN World Wide Port Name for fibre channel INFORMATION Fibre Channel iSCSI Host Card at Slot 1 HQ 16F4S2 4 x 16Gb FC SFP ports HQ 10G4S2 4 x 10GbE iSCSI SFP ports HQ 01G4T 4 x 1GBASE T iSCSI...

Страница 112: ...he configuration file in SYSTEM SETTINGS Maintenance Configuration Backup Please refer to the chapter 6 5 5 Reset to Factory Default section and the chapter 6 5 5 Configuration Backup section for more...

Страница 113: ...HCP to acquire an IP address automatically or specify a Static IP Address to set the IP address manually INFORMATION DHCP The Dynamic Host Configuration Protocol is a standardized network protocol use...

Страница 114: ...ggregation Click Set Link Aggregation the default mode of each iSCSI data port is connected without any bonding Two bonding methods Trunking and LACP Link Aggregation Control Protocol can be selected...

Страница 115: ...automatically perform failover when the link status fails on a port Set VLAN ID Click Set VLAN ID VLAN Virtual LAN is a logical grouping mechanism implemented on switch device VLANs are collections of...

Страница 116: ...to set this value Set Default Gateway Click Set Default Gateway to set the gateway of the IP address as default gateway There can be only one default gateway Remove Default Gateway To remove the defa...

Страница 117: ...figure iSCSI Settings Select the iSCSI Settings function tab in the iSCSI Ports function submenu to provide to setup entity name of the system and iSNS Internet Storage Name Service server The entity...

Страница 118: ...The option can change iSNS IP address for internet storage name service When finished click the Apply button to effect changes INFORMATION iSNS The iSNS protocol allows automated discovery management...

Страница 119: ...hentication Protocol authentication method used in point to point for user login It s a type of authentication in which the authentication server sends the client a key to be used for encrypting the u...

Страница 120: ...ld be set with the same CHAP account Otherwise the host cannot connect to the volume Change CHAP Users Click Change CHAP Users and then select the CHAP users that you would like to have access to this...

Страница 121: ...select the network ports that you would like to be available for this iSCSI target Figure 7 15 Change Network Portal Change Alias Click Change Alias to add or change the alias name To remove an alias...

Страница 122: ...Select the CHAP Accounts function tab in the iSCSI Ports function submenu to manage the CHAP accounts on the system Create a CHAP user Here is an example of creating a CHAP user 1 Select the CHAP Acc...

Страница 123: ...button to create a CHAP user List CHAP Users Here is an example of list CHAP users The CHAP account properties can be configured by clicking the functions button to the left side of the CHAP account...

Страница 124: ...ecret and Confirm Password The length of the password is between 12 to 16 characters Valid characters are A Z a z 0 9 _ 3 Click the OK button to modify the CHAP user Delete CHAP User Click Delete CHAP...

Страница 125: ...MaxDataOutR2T Maximum Data Outstanding Ready to Transfer determines the maximum number of outstanding ready to transfer per task The default value is 1 MaxDataBurstLe n MaxDataBurstLen Maximum Data Bu...

Страница 126: ...configured by clicking the functions button to the left side of the specific fibre channel port Figure 7 21 Fibre Channel Ports Function Submenu Figure 7 22 List Fibre Channel Ports The columns displ...

Страница 127: ...ic to detect the data rate automatically 7 4 2 Configure Fibre Channel Topology Click Change Topology to change the topology of fibre channel Figure 7 24 Change Topology Options of Change Topology The...

Страница 128: ...ill affect activities on the loop The failure of any device will cause ring broken Fibre Channel hub connects multiple devices together and may bypass the failed ports A loop may also be made by cabli...

Страница 129: ...ion CAUTION Point to Point connection mode does not support multi target 7 4 4 Clear Fibre Channel Counters Click Clear All Counters button to clear all counters of fibre channels Click Clear Counters...

Страница 130: ...the abbreviation of Redundant Array of Independent Disks The basic idea of RAID is to combine multiple drives together to form one large logical drive This RAID drive obtains performance capacity and...

Страница 131: ...consists of byte level striping with dedicated parity All disk spindle rotation is synchronized and data is striped such that each sequential byte is on a different drive Parity is calculated across...

Страница 132: ...mirror set but if drives fail on both sides of the mirror the data on the RAID system is lost RAID 10 RAID 0 on top of RAID 1 RAID 10 creates a striped set from a series of mirrored disk drives The ar...

Страница 133: ...major problems The following is the summary of the RAID levels Table 8 1 RAID Level Summary 1 RAID 0 RAID 1 RAID 3 RAID 5 RAID 6 N way Mirror Min Drives 1 2 3 4 3 Data Protection No protection One dri...

Страница 134: ...Good Very Good Write Performance Very Good Very Good Good Good Fair to Good Capacity If drive qty N drive capacity M N 2 x M e g 8 drives 2 x 1TB 4TB N 2 x M e g 8 drives 2 x 1TB 4TB N 2 x M e g 8 dr...

Страница 135: ...ool volume LUN mapping and hot spares 8 2 1 Pool Technology A storage pool is a collection of disk drives It has three pool types which are listed in the following Thick or fat provisioning pool we us...

Страница 136: ...ecause RAID 6 needs one more disk drive for parity A thick provisioning pool contains up to 64 disk drives For more information about pool operation please refer to the chapter 8 4 Configuring Storage...

Страница 137: ...ding snapshot volumes For more information about volume operation please refer to the chapter 8 5 Configuring Volumes section Table 8 4 Volumes Parameters Item Value Maximum Volume Quantity in a Pool...

Страница 138: ...the target LUN 0 does not provide any other services such as a storage volume Many SCSI targets contain only one logical unit so its LUN is necessarily 0 Others have a small number of logical units th...

Страница 139: ...ploying a hot spare normally require a redundant group to allow time for the data to be generated onto the spare disk During this time the system is exposed to data loss due to a subsequent failure an...

Страница 140: ...then eventually global spare disk For more information about spare disk operation please refer to the chapter 8 3 2 Operations on Disks section 8 3 Working with Disk Drives Select the Disks function...

Страница 141: ...sure Quantity in a System 10 Maximum Disk Quantity in a System 446 8 3 1 List Disks The drop down lists at the top enable you to select the enclosure from head unit SAN system or expansion units expan...

Страница 142: ...ve Status The status of the disk drive Online The disk drive is online Rebuilding The disk drive is being rebuilt Transitioning The disk drive is being migrated or is replaced by another disk when reb...

Страница 143: ...edicated spare of a pool Local Spare This disk drive has been set as local spare of the enclosure Global Spare This disk drive has been set as global spare of whole system SSD Spare This SSD has been...

Страница 144: ...ther in head unit and expansion unit Click Set Local Spare to set the selected disk drive to local spare of the pools which located in the same enclosure The enclosure is either in head unit or in one...

Страница 145: ...isk drive and reset the failed status Update Disk Firmware Click Update Disk Firmware to upgrade the firmware of the disk drive Figure 8 9 Update Disk Firmware Turn on Disk LED Click Turn on Disk LED...

Страница 146: ...he detail information of the disk drive Figure 8 10 More Information of Disk Drive 8 3 3 S M A R T S M A R T Self Monitoring Analysis and Reporting Technology is a diagnostic tool for disk drives to d...

Страница 147: ...will allow users to back up the data of disk drive or replace the disk drive This is much better than a disk drive crash when it is writing data or rebuilding a failed disk drive Select a disk drive a...

Страница 148: ...oning technology in the Thin Provisioning chapter and auto tiering in the Auto Tiering chapter Figure 8 12 Pools Function Submenu 8 4 1 Create a Thick Provisioning Pool Here is an example of creating...

Страница 149: ...ool Maximum length of the pool name is 16 characters Valid characters are A Z a z 0 9 _ 4 Select a Preferred Controller from the drop down list The backend I O resources in this pool will be processed...

Страница 150: ...ght Reserved Figure 8 14 Create a Thick Provision Pool Step 2 6 Please select disks for pool Maximum quantity of disk is 64 Select an Enclosure from the drop down list to select disks from expansion e...

Страница 151: ...gement 129 Figure 8 15 Create a Thick Provision Pool Step 3 8 Select a RAID Level from the drop down list which lists available RAID level only according to the disk selection 9 Click the Next button...

Страница 152: ...Read ahead Check to enable the read ahead function of disks System will preload data to disk buffer based on previously retrieved data This feature will efficiently improve the performance of sequenti...

Страница 153: ...ol Figure 8 18 A Thick Provisioning Pool is Created 13 A pool has been created If necessary click Create Pool button again to create others 8 4 2 List Thick Provisioning Pools Select one of the pools...

Страница 154: ...ing The pool is being migrated Relocating The pool is being relocated Health The health of the pool Good The pool is good Failed The pool is failed Degraded The pool is not healthy and not complete Th...

Страница 155: ...ive has been checked the disk health Health The health of the disk drive Good The disk drive is good Failed The disk drive is failed Error Alert S M A R T error alerts Read Errors The disk drive has u...

Страница 156: ...of the thin provisioning pool For more information please refer to the chapter 9 Thin Provisioning Change Preferred Controller of the Pool Click Change Preferred Controller to set the pool ownership t...

Страница 157: ...ring is irreversible Consider all possible consequences before making this change Migrate a Thick Provisioning Pool Click Migrate Pool to change the RAID level of a pool or move the member disk drives...

Страница 158: ...be deleted when there are volumes in the pool More Information of the Pool Click More Information to show the detail information of the pool 8 4 4 Migrate a Thick Provisioning Pool The Migrate Pool f...

Страница 159: ...lso move the member disk drives of the pool to totally different disk drives Figure 8 24 Migrate a Thick Provisioning Pool Here s an example of migrate a thick provisioning pool from RAID 5 to RAID 6...

Страница 160: ...ep 2 4 Click the Select Disks button to select disks from either head unit or expansion unit and click OK to complete the selection The selected disks are displayed at the Disks Used Figure 8 27 Migra...

Страница 161: ...uses the Add Disk Group option to enlarge capacity For more information please refer to the chapter 9 Thin Provisioning 8 4 5 Operation Limitations during Migration There are some operation limitation...

Страница 162: ...te or view the status of the volumes The same as pool we will describe thick provisioning volume in the following section and keep thin provisioning in the Thin Provisioning chapter and auto tiering i...

Страница 163: ...ters are A Z a z 0 9 _ 3 Select a Pool Name from the drop down list It will also display the available capacity of the pool 4 Enter required Capacity The unit can be selected from the drop down list 5...

Страница 164: ...recognizes the old partition The options are Do Not Erase Fast Erase which will erase the first 1GB data of the volume or Full Disk which will erase entire volume Enable Cache Mode Write back Cache C...

Страница 165: ...6 0 1 10 30 50 and 60 For more information please refer to the chapter 8 5 5 Fast RAID Rebuild section 8 Click the Next button to continue Figure 8 32 Create a Volume in Thick Provisioning Pool Step...

Страница 166: ...ay the related LUN Mappings if the volume is mapped The volume properties can be configured by clicking the functions button to the left side of the specific volume Figure 8 34 List Volumes This table...

Страница 167: ...health will become Optimal Capacity Total capacity of the volume SSD Cache The status of the SSD cache Enabled The volume is enabled SSD cache Disabled The volume is disabled SSD cache Snapshot space...

Страница 168: ...UN Mapping Operations Click Map LUN to map a logical unit number to the volume For more information about map and unmap LUN please refer to the chapter 8 6 Configure LUN Mappings section Figure 8 36 M...

Страница 169: ...t please refer to the chapter 12 1 Managing Snapshots section in the Data Backup chapter Figure 8 38 Set Snapshot Space Click Take Snapshot to take a snapshot of the volume Click Schedule Snapshots to...

Страница 170: ...e Click Schedule Clone to set the clone function by schedule Click Change Replication Options to change the clone to Replication relationship For more information about remote replication please refer...

Страница 171: ...reclamation please refer to the chapter 9 2 1 Space Reclamation section in the Thin Provisioning chapter Verify Parity of the Volume Click Verify Parity to execute parity check for the volume which is...

Страница 172: ...ation of the volume 8 5 4 Extend Volume Capacity Extend Volume function extends the capacity of the volume if there is enough free space Here s how to extend a volume 1 Select the Volumes function sub...

Страница 173: ...focus only on the parts that have changed This mechanism may reduce the amount of time needed for the rebuild task It also reduces the risk of RAID failure cause of reducing the time required for the...

Страница 174: ...n a fast rebuild volume clean partitions are not rebuilt since there are no data saved there Though clean partitions are never rebuilt their health status is good If all partitions of the fast rebuild...

Страница 175: ...it Number for each volume Figure 8 44 Pools Function Submenu 8 6 1 Map a LUN of iSCSI Connectivity Here s an example of mapping a LUN of iSCSI connectivity 1 Select the LUN Mappings function submenu c...

Страница 176: ...or example there are two LUN rules which are set to the same volume 1 Allow Hosts sets LUN is LUN 0 2 Allow Hosts sets iqn host1 LUN is LUN 1 The host iqn host2 can login successfully because it match...

Страница 177: ...for access by all hosts 5 Select a Target from the drop down list 6 Select a LUN from the drop down list 7 Select a Permission level normally set it as Read write 8 Set Link Reset to Yes if fibre chan...

Страница 178: ...ume The name of the volume assigned to this LUN 8 6 4 Operations on LUN Mappings The options are available on this tab Unmap a LUN Click Unmap LUN to unmap a logical unit number from the volume Active...

Страница 179: ...he pool And then click Activate 5 Click OK to apply The Status changes to Online Disk roaming has some constraints as described in the following 1 Check the firmware version of two systems first It is...

Страница 180: ...logical volume than it needs in the beginning This is why it s called thick or fat provisioning Usually it turns out that a lot of free disk space is sitting around idle This stranded capacity is wast...

Страница 181: ...1 Thick Provisioning vs Thin Provisioning The efficiency of thin or thick provisioning is a function of the use case not of the technology Thick provisioning is typically more efficient when the amou...

Страница 182: ...provisioning With thin provisioning storage capacity utilization efficiency can be automatically driven up towards 100 with very little administrative overhead Organizations can purchase less storage...

Страница 183: ...sioning Pool Capacity per System 256TB 1 024TB Provisioning Granularity 1GB 9 2 2 Space Reclamation Previously allocated but currently unused volume space can be reclaimed in disk pools after all data...

Страница 184: ...ool with 3 disks configured in RAID 5 At the first time of creating a thin provisioning pool it contains a disk group and the maximum quantity of disk in a disk group is 8 1 Select the Pools function...

Страница 185: ...l The maximum length of the pool name is 16 characters Valid characters are A Z a z 0 9 _ 4 Select a Preferred Controller from the drop down list The backend I O resources in this pool will be process...

Страница 186: ...ure 9 7 Create a Thin Provisioning Pool Step 2 6 Please select disks for a disk group in pool Maximum quantity of disk in a disk group is 8 Select an Enclosure from the drop down list to select disks...

Страница 187: ...oning 165 Figure 9 8 Create a Thin Provisioning Pool Step 3 8 Select a RAID Level from the drop down list which lists available RAID level only according to the disk selection 9 Click the Next button...

Страница 188: ...Read ahead Check to enable the read ahead function of disks System will preload data to disk buffer based on previously retrieved data This feature will efficiently improve the performance of sequenti...

Страница 189: ...Pool is Created 13 A pool has been created If necessary click the Create Pool button again to create others 9 3 2 List Thin Provisioning Pools Select one of the pools it will display the related disk...

Страница 190: ...uilding The pool is being rebuilt Migrating The pool is being migrated Relocating The pool is being relocated Health The health of the pool Good The pool is good Failed The pool is failed Degraded The...

Страница 191: ...of the disk group Good The disk group is good Failed The disk group fails Degraded The pool is not healthy and not complete The reason could be missing or failed disks Total Total capacity of the dis...

Страница 192: ...cturer of the disk drive Model The model name of disk drive 9 3 3 Operations on Thin Provisioning Pools Most operations are described in the Configuring Storage Pools section For more information plea...

Страница 193: ...hold The options are Information Warning Error Action Action to take on the system when the usage of the pool reaches the threshold The options are Take no Action Reclaim Space Delete Snapshots De act...

Страница 194: ...rreversible Carefully consider the consequences before making this change Remove Disk Group Click Remove in disk group to remove the selected disk group The option is grayed out if there is only one d...

Страница 195: ...e 9 15 Move Disk Group 9 3 4 Add a Disk Group in a Thin Provisioning Pool Here is an example of adding a disk group in thin provisioning pool 1 Select a pool click Add Disk Group to add a disk group i...

Страница 196: ...roup 2 Please select disks for adding a disk group in the pool The quantity of selected disks must be the same as the quantity of current disk group Select an Enclosure from the drop down list to sele...

Страница 197: ...Volumes This section will describe the operations of configuring volume in thin provisioning pool 9 4 1 Create a Volume in a Thin Provisioning Pool Here is an example of creating a volume of thin pro...

Страница 198: ...acters Valid characters are A Z a z 0 9 _ 3 Select a Pool Name from the drop down list It will also display the available capacity of the pool 4 Enter required Capacity The unit can be selected from t...

Страница 199: ...lume Write back optimizes the system speed but comes with the risk where the data may be inconsistent between cache and disks in one short time interval Enable Video Editing Mode Check to enable video...

Страница 200: ...mation please refer to the chapter 9 2 1 Space Reclamation section 8 Click the Next button to continue Figure 9 20 Create a Volume in Thin Provisioning Pool Step 3 9 After confirmation at summary page...

Страница 201: ...ost operations are described in the chapter 8 5 Configuring Volumes section For more information about list volume please refer to the chapter 8 5 2 List Volumes section For more information about ope...

Страница 202: ...n about space reclamation please refer to the chapter 9 2 1 Space Reclamation section 9 5 Configure LUN Mappings and Connect by Host Initiator Next step you can configure LUN mapping and connect by ho...

Страница 203: ...ngths of both HDDs and SSDs to cost effectively meet the capacity and performance requirements of enterprise applications Data is primarily stored on HDDs while SSDs serve as an extended HDD memory ca...

Страница 204: ...y of the SSD cache Figure 10 1 SSD Read and Write Cache SSD read write cache is particularly effective when Reads and writes mix in the production environment common in file service applications The i...

Страница 205: ...ppropriate time It may take risk of losing data during the period that the write data is stored in SSD cache if the SSD cache pool is corrupted The write data has not yet written back to the HDD volum...

Страница 206: ...next section are grouped into the SSD Cache Pool 1 and assigned to the Pool 1 for use The maximum SSD quantity in an SSD cache pool is 8 When the SSD read cache is performing the capacity of the SSD c...

Страница 207: ...ers have to consider which volumes are enabled according to the SSD cache resources When the SSD cache is performing you can enable or disable the volume The maximum quantity of volume shared in an SS...

Страница 208: ...rives RAID 0 consists of striping without mirroring or parity Adding a disk drive into RAID 0 needs to re stripe the data For SSD cache it will have terrible performance when performing SSD cache and...

Страница 209: ...tection and better random I O than RAID 10 It also has the advantage of easy to add SSDs into the SSD cache pool to increase the capacity In this case we disallow the SSDs to be removed from the SSD c...

Страница 210: ...e the same as above But the write data is different Read Data with Cache Miss Read Data with Cache Hit Write Data in SSD Read write Cache Each case will be described below Read Data with Cache Miss Th...

Страница 211: ...pter 10 2 5 Populating the Cache in the next section Read Data with Cache Hit The following figure shows how the controller handles a host read request when the data is in the SSD cache Figure 10 7 Re...

Страница 212: ...igure 10 8 Write Data These steps are 1 A host requests to write data 2 Data is written to the HDD volume 3 The status is returned to the host 4 The SSD cache is populated if the write threshold is re...

Страница 213: ...write data will be flushed to the HDD volume in the following situations Flush data to the HDD volumes before the SSD cache pool is deleted Flush data to the HDD volumes before the related volume is...

Страница 214: ...ache so there is no obvious effect Populate on write Threshold When the same data block to be written over the threshold it is called hot data and populated to the SSD cache The threshold must be grea...

Страница 215: ...up slower but with more cache blocks there is greater chance of a cache hit especially for data with less locality of reference With a smaller cache block size cache usage is usually less than with a...

Страница 216: ...ding the data locality of the application is essential and it can be useful to do some field testing to see what works best 10 3 Configure SSD Cache The SSD Cache provides SSD Cache Pools and SSD Cach...

Страница 217: ...unique and dedicated to a specific system If you have already enabled this option will be invisible Figure 10 11 Enable SSD Cache License 10 3 2 Create an SSD Cache Pool Here is an example of creatin...

Страница 218: ...ool name is 16 characters Valid characters are A Z a z 0 9 _ 3 Select the Cache Type as Read Cache NRAID 4 Select an I O Type from the drop down list according to your application 5 Please select SSDs...

Страница 219: ...e an SSD Cache Pool Step 2 7 Select a Pool Name from the drop down list which lists available pools to be assigned to 8 Within the pool check Volumes to enable SSD cache uncheck Volumes to disable 9 C...

Страница 220: ...l Step 3 10 After confirmation at summary page click the Finish button to create a pool Figure 10 15 An SSD Cache Pool is Created 11 An SSD cache pool has been created 12 Follow the step 1 to 11 to cr...

Страница 221: ...ache pool There are no available pools which can be assigned to the SSD cache pool The available pool includes that the status of the pools must be Online and the health must be Good 10 3 3 List SSD C...

Страница 222: ...SSD cache pool is online Offline The SSD cache pool is offline Rebuilding The SSD cache pool is being rebuilt Flushing The SSD cache pool is being flushed Health The health of the pool Good The SSD c...

Страница 223: ...e status of the SSD Online The SSD is online Missing The SSD is missing in the pool Rebuilding The SSD is being rebuilt Flushing The SSD is being flushed Health The health of the SSD Good The disk dri...

Страница 224: ...raded At least one disk from the pool of the volume is failed or plugged out Partially optimal the volume has experienced recoverable read errors After passing parity check the health will become Opti...

Страница 225: ...ache 203 Figure 10 21 Add Remove SSDs from the SSD Cache Pool For an SSD read write cache click Add SSDs to add SSDs into the SSD cache pool Please select two SSDs at a time to add into the SSD cache...

Страница 226: ...ing an SSD read write cache pool it will take times to flush data from SSDs to HDDs The SSD cache pool will be deleted after flushed otherwise the data may be corrupt More Information of the SSD Cache...

Страница 227: ...D Cache Statistics function tab in the SSD Cache function submenu to monitor the SSD cache statistics Here is an example of monitoring the volume of the SSD read write cache pool 1 Select an SSD Cache...

Страница 228: ...and average 1 month value The diagram displays the current value with 30 seconds refresh and total 4 hours Table 10 5 SSD Cache Statistics Descriptions Column Name Description Cache Used How much capa...

Страница 229: ...e SSD cache license can be extended to SSD cache 2 0 with read and write cache The data structure of the SSD cache 2 0 is re designed from the previous SSD cache After upgrade to firmware 1 1 0 with S...

Страница 230: ...ata itself has a lifecycle Since the data in the course of its life cycle it has experienced different levels of activity In common usage when creating the data it is usually used As the age of the da...

Страница 231: ...age and vice versa But SSD cache is essentially a one way transaction When the cache is done with the data it was accelerating it simply nullifies it instead of copying it back to HDD The important di...

Страница 232: ...s Table 11 1 SSD Cache vs Auto Tiering SSD Cache Auto Tiering Total Capacity HDD HDD SSD When SSD is Damaged Pool Works Fine Pool Fails Performance Effective in Short Term Effective in Long Term 11 2...

Страница 233: ...pool Figure 11 3 Storage Architecture of Auto Tiering Pool To increase the capacity of an auto tiering pool any tier disk group which contains either one tier of SSDs SAS HDDs or NL SAS HDDs can be a...

Страница 234: ...the space is reserved in each higher tier to prepare for the data allocation for those tiering policies which would allocate initial space in highest available tiers By reclaiming this 10 headroom th...

Страница 235: ...e is Fast Medium and Slow Auto tiering promotes sub LUNs according to the candidate list that it created in the analysis stage During relocation it prioritizes relocating sub LUNs to higher tiers At t...

Страница 236: ...icy per volume to create a candidate list for data movement The following volume policies are available Auto Tiering It allows moving a small percentage of the hot data to higher tiers while maintaini...

Страница 237: ...highest available tier Auto tiering would prioritize sub LUNs with highest available tier selected above all other settings Lowest Tier Use this policy when cost effectiveness is the highest priority...

Страница 238: ...ales to obtain a License Key After getting the license key click the Choose File button to select it and then click the Apply button to enable When the license is enabled please reboot the system Each...

Страница 239: ...ol Type as Auto Tiering Thin Provisioning Enabled This option is available when auto tiering license is enabled 3 Enter a Pool Name for the pool The maximum length of the pool name is 16 characters Va...

Страница 240: ...group must have the same disk quantity when creating a tiering pool as a base unit of disk group Maximum quantity of disk in a disk group is 8 For example if your system is 12 bays you can insert 4x S...

Страница 241: ...ring 219 Figure 11 9 Create an Auto Tiering Pool Step 3 8 Select a RAID Level from the drop down list which lists available RAID level only according to the disk selection 9 Click the Next button to c...

Страница 242: ...ead ahead Check to enable the read ahead function of disks System will preload data to disk buffer based on previously retrieved data This feature will efficiently improve the performance of sequentia...

Страница 243: ...ocation period set to 00 00 which means let relocation process run until it finishes and relocation rate to fast 13 After confirmation at summary page click the Finish button to create a pool Figure 1...

Страница 244: ...left side of the specific pool Figure 11 13 List Auto Tiering Pools This table shows the column descriptions Table 11 3 Pool Column Descriptions Column Name Description Name Pool name Status The statu...

Страница 245: ...the pool Table 11 4 Disk Group Column Descriptions Column Name Description No The number of disk group Status The status of the disk group Online The disk group is online Offline The disk group is off...

Страница 246: ...sk health Health The health of the disk drive Good The disk drive is good Failed The disk drive is failed Error Alert S M A R T error alerts Read Errors The disk drive has unrecoverable read errors Ca...

Страница 247: ...n The capacity prepares to move in from other tiers Tier Status Bar chart to show the tier status Light Blue Used capacity Orange The data will move in Gray Unallocated 11 3 4 Operations on Auto Tieri...

Страница 248: ...served Figure 11 15 Relocation Schedule Relocate Now Click Relocate Now to perform relocation right now in an auto tiering pool Similarly if Relocation Period sets as 00 00 it will let relocation proc...

Страница 249: ...add a disk group in the auto tiering pool Figure 11 17 Add Disk Group 2 Please select disks for adding a disk group in the pool The quantity of selected disks must be the same as the quantity of disk...

Страница 250: ...a SSD tier can only be assigned SSD type drives as hot spares drives Figure 11 18 Hot Spares in Auto Tiering Pool 11 4 Configure Volumes This section will describe the operations of configuring volum...

Страница 251: ...are A Z a z 0 9 _ 3 Select a Pool Name from the drop down list It will also display the available capacity of the pool 4 Enter required Capacity The unit can be selected from the drop down list 5 Sel...

Страница 252: ...ier Lowest Tier and No Data Movement Please refer to the chapter 11 2 3 Tiering Policies section for detail Enable Cache Mode Write back Cache Check to enable cache mode function of volume Write back...

Страница 253: ...reclamation function of the volume when the pool is auto tiering 8 Click the Next button to continue Figure 11 21 Create a Volume of Auto Tiering Pool Step 3 9 After confirmation at summary page clic...

Страница 254: ...and Operations on Volumes Most operations are described in the chapter 8 5 Configuring Volumes section For more information about list volume please refer to the chapter 8 5 2 List Volumes section Fo...

Страница 255: ...of current disk group The type of selected disks must be the same Only disks faster than or equal to the lowest tier disk group can be added The quantity of the disk group in the lowest tier must be...

Страница 256: ...Pool to Auto Tiering Step 1 2 Click Add Disk Group to transfer from the thick provisioning pool to auto tiering pool The tier disk group must be added one at a time Select three SSDs to add a SSD tier...

Страница 257: ...ase consider carefully all possible consequences before taking this step 11 7 2 Transfer from Thin Provisioning Pool to Auto Tiering First of all make sure the auto tiering license is enabled For more...

Страница 258: ...n Provisioning Pool to Auto Tiering Step 1 2 Click Add Disk Group to transfer from the thick provisioning pool to auto tiering pool In the Auto Tiering option select Enabled The tier disk group must b...

Страница 259: ...Auto Tiering 237 Figure 11 28 Transfer Thin Provisioning Pool to Auto Tiering Step 2 3 Use the same procedure to add SAS tier with three SAS disk drives...

Страница 260: ...Provisioning Pool to Auto Tiering Step 3 4 The thin provisioning pool has been transferred to auto tiering one CAUTION The action of transferring from the thin provisioning pool to auto tiering is irr...

Страница 261: ...ned to be highly efficient it keeps a point in time record of block level incremental data changes of the target LUN volume Snapshot can help recover a LUN volume to a previous state quickly to meet e...

Страница 262: ...rollback function snapshot allows direct access to the snapshot content with read or read write permissions There are two benefits One is that it will not consume the free capacity of the storage pool...

Страница 263: ...dow copies A Windows agent utility is provided to bridge and synchronize the information between the SAN system and Windows operating system After implementation you can trigger a snapshot directly fr...

Страница 264: ...Snapshot 64 Maximum Snapshot Quantity per System 4 096 64 x 64 Maximum Snapshot Space Capacity of a Thin Provisioning Volume 128TB 12 1 2 Configure Snapshot Set Snapshot Space Before taking a snapsho...

Страница 265: ...taking a snapshot of the volume 1 There are two methods to take snapshot Select the Snapshots function submenu click Take Snapshot button Or select the Volumes function submenu selects a volume then c...

Страница 266: ...t Good The snapshot is good Failed The snapshot fails Used The amount of the snapshot space that has been used Exposure The snapshot is exposed or not Permission The permission of the snapshot N A Unk...

Страница 267: ...the OK button 4 Click Map LUN to map a LUN to the snapshot Please refer to the chapter 8 6 Configure LUN Mappings section for detail 5 Done The Snapshot can be used as a volume TIP If the capacity of...

Страница 268: ...thods to cleanup snapshots Select the Snapshots function submenu click Delete Snapshots button Of select the Volumes function submenu selects a volume And then click Delete Snapshots 2 Click the OK to...

Страница 269: ...s The snapshots can be taken by schedule such as hourly or daily Please follow the procedures 1 There are two methods to set schedule snapshots Select the Snapshots function submenu click the Schedule...

Страница 270: ...snapshot only copies the changed data instead of copying whole data It will save a lot of disk space Data Consistent Snapshot Before using snapshot users should understand why sometimes the data beco...

Страница 271: ...ed VSS volume shadow copy service to prevent this issue VSS is a mechanism for creating consistent point in time copies of data known as shadow copies It is a coordinator between backup software appli...

Страница 272: ...e two different situations 1 If the snapshot is configured as schedule snapshot the latest one the 65th snapshot will replace the oldest one the first snapshot and so on 2 If the snapshot is taken man...

Страница 273: ...t It is also called full copy Afterwards take a snapshot on source volume and then copy delta data to perform the incremental copy TIP Please be fully aware that the incremental copy needs to use snap...

Страница 274: ...tion tab which provides to setup local clone task start or stop the tasks setup local clone schedule and delete tasks The maximum clone task quantity per volume is 1 and the maximum clone task quantit...

Страница 275: ...lume to target one Assume that we define the name in the example Source Volume Name Source Vol 1 Target Volume Name Target Vol 2 1 Before cloning it must have a backup target volume Select the Volumes...

Страница 276: ...y Inc All Right Reserved Figure 12 14 Create Target Volume Figure 12 15 List Source and Target Volumes for Local Clone 2 Select the source volume and then click Create Local Clone 3 Select a target vo...

Страница 277: ...no snapshot space it will be allocated snapshot space for clone usage automatically The capacity will depend on the parameter of Cloning Options 5 Done now ready to start cloning volumes Figure 12 17...

Страница 278: ...utton to stop cloning Delete Local Clone Task To clear the clone task please follow the procedures 1 Select the source volume and then click Delete Local Clone 2 Click the OK button to clear clone tas...

Страница 279: ...K button to apply INFORMATION Daily snapshots will be taken at 00 00 daily Weekly snapshot will be taken every Sunday at 00 00 Monthly snapshot will be taken every first day of the month at 00 00 12 2...

Страница 280: ...is 50 The system will check the snapshot space every hour When the snapshot space is used over 50 the system will start clone task automatically And then continue monitoring the snapshot space When t...

Страница 281: ...width traffic shaping and multiple connections per replication task Figure 12 20 Remote Replication Diagram Remote replication uses the iSCSI function to set up a replication connection It can use the...

Страница 282: ...y are one directional bi directional one to many many to one and many to many Both the source volume and destination volume in a replication connection are exclusive to the pair Either one can NOT be...

Страница 283: ...in Site B And a Source Volume S2 in Site B is replicating to a Target Volume T2 in Site A One to Many Figure 12 24 One to Many Remote Replication A single source system replicates different storage r...

Страница 284: ...g to a Target Volume T2 in Site A So does S3 in Site D to T3 in Site A Many to Many Figure 12 26 Many to Many Remote Replication Combination with bi Directional one to many and many to one remote repl...

Страница 285: ...nfiguration 12 3 2 Theory of Operation At the beginning replication will copy all data from the source volume to the target It is also called a full copy Afterwards use snapshot technology to perform...

Страница 286: ...te Replications function submenu to setup remote replication task start or stop tasks setup remote replication schedule delete tasks and also setup traffic shaping Figure 12 28 Snapshot Function Subme...

Страница 287: ...ess 10 10 1 3 Controller 2 Onboard LAN 2 IP Address 10 10 1 4 Source Volume Name Source Vol 1 Site B Target Unit Configuration Controller 1 Onboard LAN 1 IP Address 10 10 1 101 Controller 1 Onboard LA...

Страница 288: ...ource volume can replicate to the target volume Please refer to the chapter 12 1 2 Configure Snapshot section Figure 12 31 List Target Volume in Site B 3 Map a LUN of the target volume Please refer to...

Страница 289: ...Data Backup 267 Figure 12 32 Create a Remote Replication Task Step 1 5 Select a source volume and then click the Next button...

Страница 290: ...Remote Replication Task Step 2 6 Select the Source Port and input the Target IP Address and then click the Next button TIP Leave the setting of the Source Port to Auto if you don t want to assign a f...

Страница 291: ...ed Select a Target Name and then click the Next button TIP This CHAP account is the iSCSI authentication of the Site B target unit For more information about CHAP please refer to the chapter 7 3 4 Con...

Страница 292: ...LUN in Site B target unit Finally click the Finish button Figure 12 36 Remote Replication Task is Created 9 The replication task is created At this time if the source volume has no snapshot space it w...

Страница 293: ...eplication Task To delele the remote replication task please follow the procedures Launch the SANOS web UI of Site A source unit 1 Select the Remote Replications function submenu select the task and t...

Страница 294: ...k the Enable Off Peak box and then input the bandwidth MB at Off Peak time And define the off peak hour 5 Click the OK button Set Traffic Shaping on Remote Replication Task To set a shaping group on t...

Страница 295: ...edule such as hourly or daily Please follow the procedures Operate web UI of Site A source unit 1 Select the Remote Replications function submenu select the task and then click Schedule 2 Check the sc...

Страница 296: ...Reserved Figure 12 39 Schedule Remote Replication 12 3 6 Replication Options Select the Remote Replications function submenu click the Replications Options button There are three options described in...

Страница 297: ...em will start replication task again Restart the task an hour later if failed The setting will be effective after enabling schedule replication When running out of snapshot space the volume replicatio...

Страница 298: ...rks with Remote Replication If controller 1 fails on the source unit the replication connection will be taken over by controller 2 and the replication task will continue running Figure 12 42 Remote Re...

Страница 299: ...2 IP Address 10 10 1 2 Controller 2 Onboard LAN 1 IP Address 10 10 1 3 Controller 2 Onboard LAN 2 IP Address 10 10 1 4 Source Volume Name Source Vol 1 Site B Target Unit Configuration Controller 1 On...

Страница 300: ...dd Multipath in Remote Replication Step 1 2 Select the Source Port and input the Target IP Address and then click the Next button TIP Leave the setting of Source Port to Auto if you don t want to assi...

Страница 301: ...eded Select a Target Name and then click the Next button TIP This CHAP account is the iSCSI authentication of the Site B target unit For more information about CHAP please refer to the chapter 7 3 4 C...

Страница 302: ...SAN Technology Inc All Right Reserved Figure 12 46 Add Multipath in Remote Replication Step 3 4 Select a Target LUN in Site B target unit Finally click Finish button Figure 12 47 List Multipath in Rem...

Страница 303: ...t unit MC S can be added for increasing the replicating speed The maximum MC S per task path is 4 connections Add Connections in Remote Replication Task Path Here s an example of adding the second con...

Страница 304: ...and then click Add Connection Figure 12 48 Add Path Connection 2 Select the Source Port and input the Target IP Address and then click the Next button TIP Leave the setting of Source Port to Auto if...

Страница 305: ...he replication task path please follow the procedures 1 Operate Site A source unit Select the Remote Replications function submenu select the task path and then click Delete Connection Figure 12 50 De...

Страница 306: ...ted volume which has not been accessed the system will recognize it and skip full copy automatically when the remote replication task is created on this volume at the first time TIP Any I O access to...

Страница 307: ...52 List Source and Target Volumes for Local Clone 4 The Clone column of the source volume will be changed from the name of the target volume into QRep CAUTION Converting a local clone task to a remote...

Страница 308: ...section in the Storage Management chapter Launch SANOS web UI of Site A source unit 10 Select the Remote Replications function submenu click the Rebuild button to rebuild the remote replication task w...

Страница 309: ...ip Step 2 12 Select the Source Port and input the Target IP Address and then click the Next button TIP Leave the setting of Source Port to Auto if you don t want to assign a fixed one The system will...

Страница 310: ...AP Password if needed Select a Target Name and then click the Next button TIP This CHAP account is the iSCSI authentication of the Site B target unit For more information about CHAP please refer to th...

Страница 311: ...re 12 56 Rebuild Clone Relationship Step 4 14 Select a Target LUN in Site B target unit Finally click the Finish button Figure 12 57 Remote Replication Task is Created 15 The replication task from loc...

Страница 312: ...Log Center Enclosures and Performance 13 1 Log Center Select the Event Logs function tab in the Log Center function submenu to show event messages Select or unselect the checkbox of Information Warni...

Страница 313: ...s time frame that identifies the type of event that occurred and has one of the following severities Error A failure occurred that may affect data integrity or system stability Correct the problem as...

Страница 314: ...boot up Otherwise the event logs cannot be saved 13 2 Monitoring Enclosures The Enclosures function submenu provides Hardware Monitoring and SES tabs to show and monitor enclosure information Figure 1...

Страница 315: ...Monitoring 293 Figure 13 5 Hardware Monitoring...

Страница 316: ...e or temperature is lower than Low Critical or higher than High Critical When one of these sensors reports above the threshold for three contiguous minutes the system will be shutdown automatically Fo...

Страница 317: ...ct the Protocol as iSCSI 3 Enter the Allowed Hosts with semicolons or fill in wildcard for access by all hosts 4 Select a Target from the drop down list 5 Click the OK button to enable SES Figure 13 7...

Страница 318: ...bs to monitor performance Figure 13 8 Performance Function Submenu 13 3 1 Disk Performance Monitoring Select the Disks function tab in the Performance function submenu to display the throughput and la...

Страница 319: ...ormance Monitoring 13 3 2 iSCSI Port Performance Monitoring Select the iSCSI function tab in the Performance function submenu to display TX Transmission and RX Reception of the iSCSI ports Check the i...

Страница 320: ...gure 13 10 iSCSI Performance Monitoring 13 3 3 Fibre Channel Port Monitoring Select the Fibre Channel function tab in the Performance function submenu display TX Transmission and RX Reception of the f...

Страница 321: ...ent logs Please refer to the chapter 13 1 Log Center section in the Monitoring chapter Determine where the fault is occurring in the system If the fault is occurring from hardware please refer to the...

Страница 322: ...disk drive which can be set in function menu Disks Dedicated Spare Set a spare disk drive to a dedicated pool Local Spare Set a spare disk drive to the pools which located in the same enclosure The e...

Страница 323: ...or Extension to RAID 1 level It has N copies of the disk N way mirror allows N 1 disk drives failure or unplugging RAID 3 Striping with parity on the dedicated disk RAID 3 allows one disk drive failur...

Страница 324: ...gurations as original must be set and all member disks must be installed by the same sequence as original Otherwise data recovery will fail The volume restoration does not guarantee that the lost data...

Страница 325: ...riginal Otherwise data recovery will fail CAUTION Performing data recovery does not guarantee that the lost data can be restored 100 It depends on the real operation and the degree of physical damages...

Страница 326: ...support Service hours 09 30 02 00 Monday Friday UTC 8 Summer time 09 30 01 00 Via Email support qsan com Information to Collect Product name model or version and serial number Operating system name an...

Страница 327: ...Support and Other Resources 305 Figure 15 1 Download Service Package in the SANOS UI...

Страница 328: ...rocedures below to setup the online help environment for QSAN support team The following procedure will help you to setup the serial console via the console cable that is enclosed in the shipping cart...

Страница 329: ...ion is made INFORMATION For more information about terminal software please refer to HyperTerminal http www hilgraeve com hyperterminal PuTTY http www putty org 3 Here we first demonstrate HyperTermin...

Страница 330: ...308 Copyright 2017 QSAN Technology Inc All Right Reserved Figure 15 4 The Procedures of Setup Serial Console by HyperTerminal 4 If you are using PuTTY instead please refer to below...

Страница 331: ...Support and Other Resources 309...

Страница 332: ...Online Support Following is the procedure to setup the connection for online support via TeamViewer 1 Please download the TeamViewer from following hyper link https www teamviewer com en download 2 I...

Страница 333: ...mentation that meets and exceeds your expectations To help us improve the documentation email any errors suggestions or comments to docsfeedback qsan com When submitting your feedback include the docu...

Страница 334: ...cal unit number LUN is a unique identifier which enables it to differentiate among separate devices each one is a logical unit WebUI Web User Interface WT Write Through cache write policy A cache tech...

Страница 335: ...ctioning but the array is able to respond to application read and write requests to its virtual disks SCSI Small Computer System Interface SAS Serial Attached SCSI S M A R T Self Monitoring Analysis a...

Страница 336: ...Description SBB Storage Bridge Bay The objective of the Storage Bridge Bay Working Group SBB is to create a specification that defines mechanical electrical and low level enclosure management requirem...

Страница 337: ...ht Intellectual property rights relative to the Product are the property of QSAN or its licensor s User will not acquire any intellectual property by this EULA License Limitations User may not and may...

Страница 338: ...CT LIABILITY OR OTHER THEORY EVEN IF QSAN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES Limitation of Liability IN ANY CASE QSAN S LIABILITY ARISING OUT OF OR IN CONNECTION WITH THIS EULA OR THE...

Страница 339: ...shall be governed by and constructed according to the laws of R O C Any disputes arising from or in connection with this EULA User agree to submit to the jurisdiction of Taiwan Shilin district court a...

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