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Qsan Document – User Manual

Fast Rebuild

When executing rebuild, the Fast Rebuild feature skips any partition of the virtual disk where no

write changes have occurred, it will 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 RAID status from degraded mode to healthy. At the

same time, it frees up CPU resources more quickly to be available for other I/O and demands.

Solution

Without Fast Rebuild feature, rebuild will start from the beginning partition to the end. It may

spend lots of time to complete the task. When enabling Fast Rebuild feature, it will rebuild the

partition with the changed only.

TIP:

With less changed partition, the Fast Rebuild feature may go faster. If the virtual
disk is full of changed partition, the rebuild may take the same time without
Fast Rebuild feature.

Virtual Disk

Dirty Partition

Clean Partition

Rebuild Partition

Disable

Fast Rebuild

Enable

Fast Rebuild

Failed Disk

Содержание AegisSAN Q500 Series

Страница 1: ...Qsan Document User Manual AegisSAN Q500 Series AegisSAN V100 Series AegisSAN LX Series JBOD Series Version 8 52 October 2014...

Страница 2: ...rmware Versions AegisSAN Q500 P10 P20 P21 F20 F21 F30 Series FW 1 3 0 AegisSAN V100 P10 P20 F30 Series FW 1 1 1 AegisSAN LX P400Q P600Q F600Q F630Q Series FW 3 4 0 JBOD J100 J300Q Series FW 1 7 1 Stor...

Страница 3: ...age concepts and network technology It also assumes you have basic knowledge of Redundant Array of Independent Disks RAID Storage Area Network SAN Fibre Channel FC Internet SCSI iSCSI Serial attached...

Страница 4: ...indicates that you can choose a b or nothing braces Indicates required or expected values Example a b indicates that you must choose either a or b vertical bar Indicates that you have a choice between...

Страница 5: ...overloading of the circuits might have on overcurrent protection and supply wiring Appropriate consideration of equipment nameplate ratings should be used when addressing this concern 5 Reliable Eart...

Страница 6: ...RISQUE D EXPLOSION SI LA BATTERIE EST REMPLAC E PAR UNE BATTERIE DE TYPE INCORRECT METTRE AU REBUT LES BATTERIES USAG ES CONFORM MENT AUX INSTRUCTIONS VORSICHT German Explosionsgefahr bei unsachgema e...

Страница 7: ...12 Model Comparison 13 Package Contents 15 HARDWARE 16 Front View 17 Disk Drive Assembly 22 3TB 6G MUX Board Limitation 26 Rear View 27 RAID CONCEPTS 39 RAID Levels 39 Volume Relationship 40 FIBRE CH...

Страница 8: ...YSTEM CONFIGURATION 79 System Settings 79 Network Settings 80 Login Settings 81 Email Notification Settings 82 Log and Alert Settings 83 HOST PORT ISCSI CONFIGURATION 85 Network Setup 85 Entity and iS...

Страница 9: ...ibre Channel 129 Chapter 5 ADVANCED OPERATIONS 130 VOLUME REBUILD 130 MIGRATE AND MOVE RAID GROUPS 131 EXTEND VIRTUAL DISKS 133 QTHIN 134 The Benefits of QThin 135 Features Highlight 136 QThin Options...

Страница 10: ...r Clone 157 Clone Constraint 157 QREPLICAS 158 Create QReplica Task 159 Start and Stop QReplica Task 162 MPIO 162 MC S 163 Task Shaping 163 Schedule QReplica Task 164 QReplica Options 165 Delete QRepl...

Страница 11: ...FICATIONS 178 Chapter 7 SOFTWARE APPLICATION 188 MICROSOFT ISCSI INITIATOR 188 Connect to iSCSI Target 188 Setup MPIO 189 Setup MC S 190 Disconnect 192 MICROSOFT VSS 193 lntroduction 193 Software Cont...

Страница 12: ...his user manual describes how to set up and use the Qsan storage systems There are several types of chassis available now AegisSAN Q500 Series AegisSAN Q500 2U12bays AegisSAN Q500 3U16bays AegisSAN Q5...

Страница 13: ...gement features Model Comparison Qsan storage system AegisSAN Q500 XXX Xxxx AegisSAN V100 XXX Xxxx and AegisSAN LX XXXXQ Xxxx stands for the following models AegisSAN Q500 XXX stands for front end int...

Страница 14: ...12 224 316 424 460 212 2U 12 bays with 3 5 HDD trays 224 2U 24 bays with 2 5 HDD trays 316 3U 16 bays with 3 5 HDD trays 424 4U 24 bays with 3 5 HDD trays 460 4U 60 bays with 3 5 HDD trays AegisSAN Q5...

Страница 15: ...D316 F600Q S316 F600Q D424 F600Q S424 F600Q D460 F600Q S460 2 x 16Gb FC SFP 2 x GbE iSCSI F630Q D212 F630Q S212 F630Q D316 F630Q S316 F630Q D424 F630Q S424 N A JBOD Series Host Interface 2U12 2U24 3U...

Страница 16: ...ail kit x1 set Keys screws for drives and rail kit x1 packet Disk tool x1 4U60 Hardware This section provides basic information about the hardware components AegisSAN Q500 Series AegisSAN Q500 2U12bay...

Страница 17: ...handle a LCM with the USB interface at the left front handle Number Description 1 USB port This is designed specifically for USB LCM usage It DOES NOT offer external USB storage function 2 Access LED...

Страница 18: ...1 234 User Name admin Password 1234 USB LCM comes as an optional device to Q500 series The standard SKU doesn t include USB LCM Both the USB port on the front left handle and the USB port on the cont...

Страница 19: ...default settings The default resets include Management IP Address 192 168 1 234 User Name admin Password 1234 4 Status LED Red System failure Off System OK 5 Access LED This indicates the host interfa...

Страница 20: ...8 Status LED Red System failure Off System OK 9 Access LED Blue Host is accessing storage system Off No host access attempts AegisSAN LX Series and J300Q Series 4U60 CAUTION When powering off the sub...

Страница 21: ...Indicates the drive in this slot is faulty Blinking Red Indicates the drive in this slot is rebuilding Off Indicates there is no drive in this slot 3 Expander module Fault LED Red Indicates the Expand...

Страница 22: ...and alarm will sound Off Temperature OK 11 Voltage Warning LED Red If the output DC voltage is above or below the allowed range an alarm will sound warning of a voltage abnormality and this LED will t...

Страница 23: ...2 Access LED Blue blinking The drive is being accessed Off The drive is not being accessed or no drive in the tray 3 Tray removal handle 4 Latch to release the tray AegisSAN V100 Series and JBOD J100...

Страница 24: ...f The drive is not being accessed or no drive in the tray 3 Tray removal handle 4 Latch to release the tray and tray lock AegisSAN LX Series and JBOD J300Q Series 4U60 1 Prepare the HDD side brackets...

Страница 25: ...Qsan Document User Manual 2 Place the brackets on both sides of the disk drive and secure them with screws 3 Place the slotted flat head screw 4 Place the drive carefully in the disk slot 5 Fix the d...

Страница 26: ...ll Rights Reserved Qsan Document User Manual 6 Repeat the same steps for the rest of the disks TIP You can use also the disk tool to remove the disk drive in the disk slot 3TB 6G MUX Board Limitation...

Страница 27: ...MUX Board SATA 3TB 2794 GB 2794 GB SATA 6Gb s SATA 6Gb s SATA 3Gb s SATA 3Gb s SATA 6Gb s SATA 3Gb s SATA 1 5Gb s SATA 6Gb s SATA 1 5Gb s Without MUX Board SAS 3TB 2794 GB SAS 6Gb s SAS 6Gb s SAS 3Gb...

Страница 28: ...ogy Inc All Rights Reserved Qsan Document User Manual 6 Power Supply Unit PSU1 7 Power Supply Unit PSU2 8 Power Supply Unit PSU3 9 Fan Module FAN A 10 Fan Module FAN B 11 SAS JBOD expansion port Aegis...

Страница 29: ...ight 2004 2014 Qsan Technology Inc All Rights Reserved Qsan Document User Manual AegisSAN Q500 4U24 chassis AegisSAN V100 3U16 chassis AegisSAN V100 4U24 chassis 4 5 7 1 6 2 7 10 9 6 1 7 11 4 10 9 6 1...

Страница 30: ...opyright 2004 2014 Qsan Technology Inc All Rights Reserved Qsan Document User Manual AegisSAN LX 2U12 chassis AegisSAN LX 3U16 chassis AegisSAN LX 4U24 chassis 4 5 7 1 3 6 2 2 6 7 5 1 4 3 4 5 8 1 3 7...

Страница 31: ...h ON O OFF 4 Power Supply Unit PSU1 and Fan Module FAN1 5 Power Supply Unit PSU2 and Fan Module FAN2 6 Power Supply Unit PSU3 and Fan Module FAN3 7 Fan Module FAN4 FAN5 8 Fan Module FAN6 FAN7 9 Expand...

Страница 32: ...ogy Inc All Rights Reserved Qsan Document User Manual There are many various controllers available With the exception of the host SAN ports the connections are the same on all modules 13 Fan10 14 Fan1...

Страница 33: ...x 16Gb Fibre Channel ports 6 x GbE iSCSI ports AegisSAN LX F600Q 4 x 8Gb Fibre Channel ports 2 x GbE iSCSI ports F630Q 2 x 16Gb Fibre Channel ports 2 x GbE iSCSI ports P400Q 6 x GbE iSCSI ports P600Q...

Страница 34: ...ive activity Red Asserted when the link can t establish 8G FC Link LED AegisSAN Q500 F21 AegisSAN LX F600Q Blue Asserted when an 8G link is established and maintained Yellow Asserted when a 4G link is...

Страница 35: ...k is established and packets are being transmitted along with any receive activity CAUTION Be aware that when Controller Health LED is in RED please DO NOT unplug the controller from the system or tur...

Страница 36: ...Manual AegisSAN Q500 F20 2 x 8G FC SFP 2 x GbE iSCSI controller AegisSAN Q500 F30 2 x 16G FC SFP 2 x GbE iSCSI controller AegisSAN Q500 F21 4 x 8G FC SFP 2 x GbE iSCSI controller AegisSAN V100 P10 6 x...

Страница 37: ...l Rights Reserved Qsan Document User Manual AegisSAN V100 P20 2 x 10GbE iSCSI SFP 6 x GbE iSCSI controller AegisSAN V100 F30 2 x 16G FC SFP 6 x GbE iSCSI controller AegisSAN LX P400Q 6 x GbE iSCSI con...

Страница 38: ...Q 2 x 10GbE iSCSI SFP 2 x GbE iSCSI controller AegisSAN LX P600Q 2 x 10GbE iSCSI 10GBASE T 2 x GbE iSCSI controller AegisSAN LX F600Q 4 x 8Gb FC SFP 2 x GbE iSCSI controller AegisSAN LX F630Q 2 x 16Gb...

Страница 39: ...acity and reliability than a single drive The operating system detects the RAID drive as a single storage device RAID Levels There are various RAID levels with different degrees of data protection dat...

Страница 40: ...the volume structure which Qsan has designed It describes the relationship of RAID components One RG RAID group consists of a set of VDs Virtual Disk and owns one RAID level attribute Each RG can be...

Страница 41: ...es high performance SANs over 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 volum...

Страница 42: ...f or an appliance which controls and serves volumes or virtual volumes The target is the device which performs SCSI command or bridge to an attached storage device SAS Concepts Serial attached SCSI of...

Страница 44: ...s V100 P20 F30 Fibre Channel cables or AOCs Active Optic Cable AegisSAN LX P400Q CAT 5e or CAT 6 recommend network cables P600Q 10GBASE T CAT 6 network cables P600Q SFP F600Q F630Q Fibre Channel cable...

Страница 45: ...F600Q F630Q Fibre Channel switches optional CHAP security information including CHAP username and secret optional For dual controller systems it is recommended that the host logon to the target twice...

Страница 46: ...56 52 48 45 42 38 34 30 26 22 18 15 12 8 4 TIP Install at least one drive in Slot 1 to 4 marked gray slots System event logs are saved in these drives Otherwise event logs no longer exist after a reb...

Страница 47: ...it back to PSU and secure the bracket with screws Plug it in the chassis CAUTION Please do not touch the golden finger of the PSU when the BBM is connected AegisSAN Q500 3U16 and 4U24 chassis For 3U16...

Страница 48: ...memory slot Failing to do so will result in controller malfunction which will not be covered by warranty Install the Rail Kit onto the unit and insert it into the rack CAUTION The system is very heavy...

Страница 51: ...k CAUTION The system is very heavy It s recommend that a mechanical lifter or at least two persons be used to raise and align the system to prevent injury during installation Use care when inserting o...

Страница 53: ...an Document User Manual AegisSAN V100 F30 AegisSAN LX Series Using the following instructions to install and deploy the storage system Install the BBM Battery Backup Module in their appropriate contro...

Страница 54: ...ontrollers have the same DIMM on each corresponding memory slot Failing to do so will result in controller malfunction which will not be covered by warranty Install the Rail Kit onto the unit and inse...

Страница 57: ...ck CAUTION The system is very heavy It s recommend that a mechanical lifter or at least two persons be used to raise and align the system to prevent injury during installation Use care when inserting...

Страница 58: ...ved Qsan Document User Manual JBOD J300Q Dual controller topology For a better data service availability all the connections among hosts switches and the dual controllers are recommended as redundant...

Страница 59: ...ack color phone jack to DB9 female to connect from controller to management PC directly Using RS 232 cable for UPS gray color phone jack to DB9 male to connect from controller to APC Smart UPS serial...

Страница 60: ...a few minutes AegisSAN Q500 AegisSAN V100 AegisSAN LX Series 2U12 3U16 4U24 The power switch is located at the rear of the panel To turn on the system you may press power switch to After you turn the...

Страница 61: ...l turn off 3 Shutdown using Power button The power button is located at the right front handle Forced shutdown press and hold for more than 4 seconds The power will be cut off immediately Graceful shu...

Страница 62: ...process completes the power LED will turn off AegisSAN LX Series 1 Shutdown using LCM At the LCM Power off the system using a normal shutdown Press ENT button Press down twice to show Reboot Shutdown...

Страница 63: ...flow control Terminal Type vt100 The initial defaults for administrator login are Management IP Address 192 168 1 234 User Name admin Password 1234 Secure Shell Remote Access SSH secure shell softwar...

Страница 64: ...an error occurs Reset Shutdown Reset or shutdown the system Quick Install Provide quick steps to create a volume Volume Wizard Provide smart steps to create a volume View IP Setting Display current I...

Страница 65: ...3 RAID 5 RAID 6 RAID 0 1 New n disk nnn GB Adjust Volume Size Apply The Config 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...

Страница 66: ...ystem supports graphic user interface operation It supports most common web browsers Be sure to connect the LAN cable to the management port of the system The default management IP address is 192 168...

Страница 67: ...e AegisSAN LX P400Q D212 Choose the functions from the Menu Bar on the left side of the window to make any configuration changes TIP The Host Port Configuration menu bar option is only visible when th...

Страница 68: ...has failed Fan indicator Green Fan is working well Red Fan failed Power indicator Green Power supplies are connected and working well Red A power supply has failed or is no longer connected Dual contr...

Страница 69: ...Installation Tool This tool guides you through the process of setting up basic array information configuring network settings and the creation of a volume on the storage system Please make sure that...

Страница 70: ...ology Inc All Rights Reserved Qsan Document User Manual 3 Confirm or change the management port IP address and DNS server If the default HTTP HTTPS and SSH port numbers are not allowed on your network...

Страница 71: ...71 Copyright 2004 2014 Qsan Technology Inc All Rights Reserved Qsan Document User Manual 4 For iSCSI Configurations use this step to set up the data port iSCSI IP address and then click Next button...

Страница 72: ...anual 5 Choose a RAID Level The number in the brackets is the maximum capacity at the RAID level This step utilizes all drives in the storage system as well as any JBOD expansion arrays present This o...

Страница 74: ...t RAID levels that can be created using the existing free drives It provides Largest capacity for each RAID level from which to choose The fewest number of drives for each RAID level volume size This...

Страница 75: ...apacity the volume size is larger and less drives 1 Click Volume Creation Wizard from the menu bar 2 Choose a RAID Level The number in the brackets is the maximum capacity at the RAID level 3 Select t...

Страница 76: ...ument User Manual 4 Enter the Volume Size GB desired that is less than or equal to the default available size shown Then click Next button 5 Use LBA 64 support It depends on the operation system 6 Fin...

Страница 78: ...nge Portal Rename Alias Users Active Sessions Show information for Controller 1 Controller 2 Connection Details Disconnect CHAP Accounts Create User Options Modify User Information Delete User Fibre C...

Страница 79: ...nload Mute Buzzer Clear Upgrade Controller Module Firmware Update JBOD Firmware Update Controller Mode SSD Caching License Firmware Synchronization This option is only visible when dual controllers ar...

Страница 80: ...ettings check Change Date and Time The changes can be done manually or synchronized from an NTP Network Time Protocol server System Identification Flash the status light on the front display for locat...

Страница 81: ...on usage There are three options DHCP BOOTP and Specify a Static IP Address DNS Server Address If necessary the IP address of DNS server can be entered or changed here Service Ports If the default por...

Страница 82: ...or password The maximum length of password is 12 alphanumeric characters Change User Password Check it to change user password The maximum length of password is 12 alphanumeric characters When it is d...

Страница 83: ...default setting only includes Warning and Error event logs When it is done click Apply button Log and Alert Settings The Log and Alert Settings tab is used to setup SNMP traps for alerting via SNMP po...

Страница 84: ...re many SNMP tools available on the internet SNMPc http www snmpc com Net SNMP http net snmp sourceforge net Windows Messenger You must enable the Messenger service in Windows Start Control Panel Admi...

Страница 85: ...CHAP Account and Fibre Channel This option is only visible when the controller has Fibre Channel ports option tabs Network Setup The Network Setup tab is used to change IP addresses of iSCSI data port...

Страница 86: ...ic IP address For the other controllers that can be set up the same way The options are available on this tab iSCSI Bonding Settings The default mode of each iSCSI data port is individually connected...

Страница 87: ...tches that of switch port If your network environment supports VLAN you can use this function to change the configurations Fill in VLAN ID and Priority settings to enable VLAN VLAN ID VLAN ID is a 12...

Страница 88: ...maximum jumbo frame size is 3900 bytes To disable jumbo frames click Disable Jumbo Frames CAUTION VLAN ID jumbo frames for both the switching hub and HBA on host must be enabled Otherwise the LAN conn...

Страница 89: ...tton iSCSI Nodes The iSCSI Nodes tab is used to view the target name for iSCSI initiator The various controllers support different number of multiple nodes list on the following AegisSAN Q500 Q500 P10...

Страница 90: ...s a type of authentication in which the authentication server sends the client a key to be used for encrypting the username and password CHAP enables the username and password to transmit in an encry...

Страница 91: ...k OK button To disable CHAP authentication please follow the procedures Select the node which wants to disable CHAP Chick Authentication Method Change it to None from the drop down list Click OK butto...

Страница 92: ...iSCSI alias Select one of nodes from one controller Chick Rename Alias Enter the Alias Name Leave it empty to remove the alias Click OK button After creating an alias it is displayed at the end of the...

Страница 93: ...sions per controller P600Q Up to 1024 sessions per controller F600Q Up to 128 sessions per controller F630Q Up to 128 sessions per controller This table shows the column descriptions Most of the optio...

Страница 94: ...ata Units are transferred in continuously non decreasing sequence offsets The default value is Yes DataPDU InOrder DataPDU InOrder Data PDU in Order determines if the data PDUs within sequences are to...

Страница 95: ...P user information Delete User Delete the selected CHAP user Fibre Channel The Fibre Channel tab is used view the fibre channel information and change the link speed of FC It displays the Port ID Conn...

Страница 96: ...in a loop or ring similar to token ring networking Adding or removing a device from the loop causes all activity on the loop to be interrupted The failure of one device causes a break in the ring Fibr...

Страница 97: ...guaranteed Access to medium Dedicated Arbitrated Dedicated Reference from http en wikipedia org wiki Fibre_Channel Node Configuration Set the selected fibre channel for multi nodes configuration Chec...

Страница 98: ...ity of hard drive The unit can be displayed in GB or MB RAID Group RAID group name RAID Set The number of RAID Set N A The RAID group is traditional provisioning Number The RAID group is the number of...

Страница 99: ...and handle one by one The default value is Enabled The options are available on this tab Disk Health Check Check the health of the selected disks It cannot check the disks which are in used Disk Chec...

Страница 100: ...to create modify delete or view the status of the RAID groups Use the drop down list at the top to change the drive size units MB or GB Select the traditional RAID group it displays on the following T...

Страница 101: ...Preferred Controller This option is only visible when dual controllers are installed The preferred controller of the RAID group The default is controller 1 The options are available on this tab Creat...

Страница 102: ...bled The system will discern what data will be needed next based on what was just retrieved from disk and then preload this data into the disks buffer This feature will improve performance when the da...

Страница 103: ...is not healthy and not completed The reason could be lack of disk s or have failed disk The options are available on this tab Remove Remove the selected RAID set Move RAID Level Move the member disks...

Страница 104: ...feature is enabled The default value is Disabled Write Cache It s to enable or disable the write cache option of hard drives The default value is Disabled Standby It s to enable or disable the auto s...

Страница 105: ...tual disk WT Write Through WB Write Back RO Read Only Priority The priority of virtual disk HI High priority MD Middle priority LO Low priority Bg Rate Background task priority 4 3 2 1 0 Default value...

Страница 106: ...xtend Extend the virtual disk capacity Set SSD Caching Set SSD caching for the virtual disk Detail is described in chapter 5 Verify Parity Execute parity check for the virtual disk It supports RAID 3...

Страница 107: ...The virtual disk is used for clone or QReplica usage Space Reclamation Reclaim space for the virtual disk Attach LUN Attach a logical unit number to the virtual disk Detach LUNs Detach a logical unit...

Страница 108: ...um and Low Priority The default value is High priority Bg Rate Background task priority The higher number the background priority of a virtual disk has the more background I O will be scheduled to exe...

Страница 109: ...controller is 64 The maximum virtual disk number in a system is 2048 The max virtual disk number for snapshot is 32 In AegisSAN V100 the maximum number of virtual disks in a RAID group is 96 The maxi...

Страница 110: ...is attached Time Created The created time of the snapshot The options are available on this tab Set Snapshot Space Set snapshot space for preparing to take snapshots Schedule Snapshots Set the snapsh...

Страница 111: ...lick Take a Snapshot button 6 Use the drop down list to select a Virtual Disk 7 Enter a Snapshot Name 8 Click OK button The snapshot is taken 9 Set quota to expose the snapshot Click Set Quota option...

Страница 112: ...virtual disk The following example shows the P400Q series This table shows the column descriptions Column Name Description Allowed Hosts The FC node name iSCSI node name for access control or a wildc...

Страница 113: ...op down list 4 Enter the Allowed Hosts with semicolons or click Add Host button to add one by one Fill in wildcard for access by all hosts 5 Select a Target number from the drop down list 6 Select a L...

Страница 114: ...isk The source name of the virtual disk Status The status of the task Online The task is normal and idle Initiating The source virtual disk is initiating Offline The source virtual disk is offline Que...

Страница 115: ...g The replication task pair is reconnecting when it s disconnected The options are available on this tab Create Create a replication task Rebuild Rebuild the replication task which is changed from a c...

Страница 116: ...rent hardware characteristics among these sensors they have different polling intervals Below are the details of the polling time intervals Temperature sensors 1 minute Voltage sensors 1 minute Hard d...

Страница 117: ...le short period of high temperature that could trigger an automatic shutdown the system uses to gauge if a shutdown is needed This is done using several sensors placed on key systems that the system c...

Страница 118: ...the serial cable that comes with the UPS Then set up the shutdown values for when the power goes out This table shows the available options and their descriptions Options Description UPS Type Select U...

Страница 119: ...network UPS Status The status of UPS Detecting Running Unable to detect UPS Communication lost UPS reboot in progress UPS shutdown in progress Batteries failed Please change them NOW Battery level Cu...

Страница 120: ...ng a failed hard drive This tool displays S M A R T information of hard drives The number is the current value the number in parenthesis is the threshold value The threshold values from different hard...

Страница 121: ...own QReplica QThin and SSD Caching status This table shows the Status descriptions Status Description Normal Dual controllers and JBODs are in normal stage Degraded One controller or JBOD fails or has...

Страница 122: ...log The Event Log tab provides a log or event messages Choose the buttons of INFO WARNING or ERROR levels to display those particular events The options are available on this tab Download Save the ev...

Страница 123: ...e first four hard drives each hard drive has one copy of event log For one system there are four copies of event logs to make sure users can check event log any time when there are failed disks Upgrad...

Страница 124: ...teps are the same as controller firmware update Controller Mode This option can be modified to dual or single here If the system installed only one controller switch this mode to Single and then click...

Страница 125: ...the following message Click Apply button to synchronize TIP This tab is only visible when the dual controllers are installed A single controller system does not have this option Reset to Factory Defa...

Страница 126: ...ons excluding volume configuration and the current system configurations will be replaced Volume Restoration The Volume Restoration can restore the volume configuration from the volume creation histor...

Страница 127: ...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 CAUTION...

Страница 128: ...e Disk iSCSI and Fibre Channel This option is only visible when it is fibre channel model option tabs Disk The Disk provides to display the throughput and latency of the physical disk Check the slots...

Страница 129: ...4 Qsan Technology Inc All Rights Reserved Qsan Document User Manual Fibre Channel The Fibre Channel provides to display TX Transmission and RX Reception of the fibre channels Check the interfaces whic...

Страница 130: ...e disk The following examples are scenarios for a RAID 6 1 When there is no global spare disk or dedicated spare disk in the system The RAID group will be in degraded mode and wait until there is one...

Страница 131: ...10 Striping over the member of RAID 1 volumes RAID 10 allows two hard drive failure or unplugging but in different arrays RAID 30 Striping over the member of RAID 3 volumes RAID 30 allows two hard dri...

Страница 132: ...shot 10 Delete a snapshot 11 Expose a snapshot 12 Rollback to a snapshot TIP Migrate function will migrate the member disks of RAID group to the same physical disks but it should increase the number o...

Страница 133: ...utton to execute migration 6 Migration starts The status of Physical Disks RAID Groups and Virtual Disks are changing The complete percentage of migration is displayed in R Move RAID Level usage is th...

Страница 134: ...ng which is the traditional way IT administrators allocate storage space to each logical volume that is used by an application or a group of users When it comes to the point to decide how much space a...

Страница 135: ...ace will be drawn dynamically from this storage pool to meet the needs Thin Provisioning The Benefits of QThin The benefits of QThin are described on the following Less disk purchase is needed initial...

Страница 136: ...l user data happens to have all zero in a basic allocation unit granularity the storage system will treat it as free space and recycle it Until the next time there is data update to this reclaimed all...

Страница 137: ...ime Extra RAID set can be added to the thin RAID group to increase the size of free storage pool A thin RAID group can have up to 32 RAID sets with each RAID set containing up to 64 physical hard driv...

Страница 138: ...nes Virtual disk clone function can be performed on both directions fat to thin and thin to fat depending on your application needs Figure 5 shows cloning a fat virtual disk to a thin one Figure 5 Clo...

Страница 139: ...eclamation will be enabled automatically at the background with the lowest priority or when the I O is low The resource impact is reduced to minimum Figure 7 Space reclamation Thin Provisioning Case W...

Страница 140: ...constraints as described in the followings 1 Check the firmware version of two systems first It is better that either systems have the same firmware version or the firmware version of the system 2 is...

Страница 141: ...the redundant JBOD model the 6G MUX board is required The 3G MUX board does not apply to this model 5 The following table is the maximum JBOD numbers and maximum HDD numbers with different chassis can...

Страница 142: ...pgrading the JBOD firmware 3 After finished upgrading the JBOD system must reboot manually to make the new firmware took effect MPIO and MC S These features come from iSCSi initiator They can be setup...

Страница 143: ...r Session is a feature of iSCSI protocol which allows combining several connections inside a single session for performance and failover purposes In this way I O can be sent on any TCP IP connection t...

Страница 144: ...indows Vista or Windows 7 MC S is the only option since Microsoft MPIO is supported Windows Server editions only 4 MC S can provide higher throughput than MPIO in Windows system but it consumes more C...

Страница 145: ...in parallel to increase the link speed beyond the limits of any single port The usage occasion of Trunking This is a simple SAN environment There is only one switch to connect the server and storage...

Страница 146: ...ntroller mode please make sure both controllers have the same DIMM on each corresponding memory slot Failing to do so will result in controller malfunction which will not be covered by warranty Be awa...

Страница 147: ...this stage I O will force to write through for protecting data and the ownership of RAID group will switch to good one For example if controller 1 which owns the RAID group 1 fails accidently the owne...

Страница 148: ...t With iSNS server this case would not happen TIP iSNS server is recommended for dual controller system of iSCSI interfaces Snapshots Snapshot on the box captures the instant state of data in the targ...

Страница 149: ...in Snapshots tab click Set Snapshot Space button 2 Enter a Size which is reserved for the snapshot space and then click OK button The minimum size is suggested to be 20 of the virtual disk size Now t...

Страница 150: ...t can be read written and the size will be the maximum capacity for writing 8 Attach LUN to the snapshot 9 Done The Snapshot can be used Cleanup Snapshots To cleanup all the snapshots please follow th...

Страница 151: ...ton 2 Check the schedules which you want They can be set by monthly weekly daily or hourly Check Auto Mapping to attach LUN automatically when the snapshot is taken And the LUN is allowed to access by...

Страница 152: ...ta consistent snapshot Before using snapshot user has to know why sometimes the data corrupts after rollback of snapshot Please refer to the following diagram When user modifies the data from host the...

Страница 153: ...dest snapshots to release more space for the latest snapshot until enough space is released 2 If there is only one snapshot existed the snapshot will fail Because the snapshot space is run out For exa...

Страница 154: ...fully aware that the incremental copy needs to use snapshot to compare the data difference Therefore the enough snapshot space for the virtual disk is very important Of course clone job can also be s...

Страница 155: ...he source virtual disk and then click Start Clone 2 Click OK button The source virtual disk will take a snapshot and then start cloning To stop clone please follow the procedures 1 Select the source v...

Страница 156: ...apshot space If the ratio sets to 2 it means when the clone process is starting the system will book the free RAID group space to set as the snapshot space which capacity is double the source virtual...

Страница 157: ...efault snapshot space allocated by the system is two times the size of source virtual disk That is the best value of our suggestion If user sets snapshot space by manually and lower than the default v...

Страница 158: ...o be set as schedule The following table is the comparison with QReplica 1 0 and 2 0 QReplica 2 0 starts from AegisSAN LX FW 3 2 0 and AegisSAN Q500 FW 1 1 0 V2 0 V1 0 Replication port Any iSCSI data...

Страница 159: ...k Type to Backup Target Figure 1 Source Side Figure 2 Target Side 2 After creating the target virtual disk please also setup snapshot space The snapshot of the source virtual disk can replicate to the...

Страница 160: ...Inc All Rights Reserved Qsan Document User Manual 7 Select the Source Port and input the Target IP and then click Next button 8 Select Authentication Method and input the CHAP user if needed Select a...

Страница 161: ...Manual 9 Select a Target LUN When a replication job completes it will take a snapshot on its target virtual disk Please make sure the snapshot space of the backup virtual disk on the target side is p...

Страница 162: ...rt replication Figure 5 Source side Figure 6 Target side To stop replication task please follow the procedures 1 In QReplicas tab of the source side select the task and then click Stop 2 Click OK butt...

Страница 163: ...the replication task path please follow the procedures 1 In QReplicas tab of the source side select the task path and then click Delete Connection 2 Select the connection s which want to be deleted a...

Страница 164: ...button 6 In QReplicas tab select the task and then click Set Task Shaping 7 Select a Shaping Group from the drop down list And then click OK button 8 The shaping group is applied to the replication t...

Страница 165: ...ibed on the following Snapshot Space This setting is the ratio of the source virtual disk and snapshot space If the ratio sets to 2 it means when the replication process is starting the system will bo...

Страница 166: ...a full copy CAUTION The default snapshot space allocated by the system is two times the size of source virtual disk That is the best value of our suggestion If user sets snapshot space by manually an...

Страница 167: ...differential copy afterward To do that virtual disk clone transfers to QReplica please follow the procedures 1 Create a clone job on an existing virtual disk with data stored already 2 It is better t...

Страница 168: ...ctivate the RAID group in the target system Remember to set snapshot space for the target virtual disk And then attach the target virtual disk to a LUN ID 6 In QReplicas tab of the source side click R...

Страница 169: ...degraded mode to healthy At the same time it frees up CPU resources more quickly to be available for other I O and demands Solution Without Fast Rebuild feature rebuild will start from the beginning p...

Страница 170: ...in a fast rebuild virtual disk 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...

Страница 171: ...enables the system to use SSDs as extended cache thus increasing the performance of random I O applications such as databases file servers and web servers etc Generally the SSD caching is useful for...

Страница 172: ...performed for read cache 2 Populate on write threshold It s the same action as read According to these values each cache block has associated to its read and write counts When a host requests the rea...

Страница 173: ...om the HDD 3 Return requested data to the host 4 Populate the cache to SSD Read Data with Cache Hit The following figure shows the steps of the controller which handles a host read request when the da...

Страница 174: ...he status to the host 4 Populate the cache to SSD I O Type The type of I O access is a user selectable SSD cache configuration The user selectable I O type controls the SSD cache internal settings for...

Страница 175: ...ated far from other data that is frequently reread the lowest cache use is obtained In this case the lowest cache block size of I O type allows the most user data to be cached The sub block size affec...

Страница 176: ...Configuration Activate the license key User needs to obtain a license key and download it to the system to activate the SSD caching function in System Maintenance Upgrade SSD Caching License Each lice...

Страница 177: ...int Here are some constraints about SSD caching Only SSD could be used SSD caching space of a virtual disk A SSD could be assigned to one and only one virtual disk as its caching space Up to 8 SSDs co...

Страница 178: ...slot is inserted into system WARNING PD removed Disk slot is removed from system ERROR HDD read error Disk slot read block error ERROR HDD write error Disk slot write block error ERROR HDD error Disk...

Страница 179: ...reply terminated abnormally INFO Port linkup The Port number link status is changed to Up INFO Port linkdown The Port number link status is changed to Down EMS Events Level Type Description INFO Powe...

Страница 180: ...vent logs are cleared WARNING Send mail fail Failed to send event to email LVM Events Level Type Description INFO RG create OK RG name has been created INFO RG create fail Failed to create RG name INF...

Страница 181: ...Rewrite at LBA address of VD name starts DEBUG VD rewrite finished Rewrite at LBA address of VD name completes DEBUG VD rewrite failed Rewrite at LBA address of VD name failed WARNING RG degraded RG n...

Страница 182: ...name finished erasing process WARNING VD erase failed The erasing process of VD name failed INFO VD erase started VD name starts erasing process WARNING RG disk missing RG name can not be activated be...

Страница 183: ...ring starts upgrading firmware process INFO PD upgrade finished JBOD name PD string finished upgrading firmware process WARNING PD upgrade failed JBOD name PD string upgrade firmware failed INFO PD fr...

Страница 184: ...of item read as string in JBOD name is CRIT UNDER INFO Volt recovery Voltage of string in JBOD string is NORMAL WARNING Therm warn OT Temperature of string read as string in JBOD name is OT WARNING W...

Страница 185: ...FO System button shutdown System shutdown via power button INFO System LCM shutdown System shutdown via LCM INFO System console reboot System reboot from string via Console UI INFO System web reboot S...

Страница 186: ...longer designated WARNING Auto clone error Auto clone task string WARNING Auto clone no snap Auto clone task Snapshot name is not found for VD name QReplica Events Level Type Description INFO Qrep por...

Страница 187: ...WARNING RG threshold hit The used capacity of RG name exceeds number percent INFO RAID set created RAID set number has been added into RG name INFO RAID set deleted RAID set number was deleted from RG...

Страница 188: ...tep by step to setup Microsoft iSCSI Initiator Please visit Microsoft website for latest iSCSI initiator This example is based on Microsoft Windows Server 2008 R2 Connect to iSCSI Target 1 Run Microso...

Страница 189: ...ghts Reserved Qsan Document User Manual 4 It can connect to an iSCSI disk now Setup MPIO 1 If running MPIO please continue 2 Click Discovery tab to connect the second path 3 Click Discover Portal butt...

Страница 190: ...Targets tab select the second path and then click Connect button 6 Enable Enable multi path checkbox Then click OK button 7 Done it can connect to an iSCSI disk with MPIO Setup MC S 1 If running MC S...

Страница 191: ...14 Qsan Technology Inc All Rights Reserved Qsan Document User Manual 4 Click Add button 5 Click Advanced button 6 Select Initiator IP and Target portal IP and then click OK button 7 Click Connect butt...

Страница 192: ...004 2014 Qsan Technology Inc All Rights Reserved Qsan Document User Manual 9 Done Disconnect 1 Select the target name click Disconnect button and then click Yes button 2 Done the iSCSI device disconne...

Страница 193: ...ing items 1 Multipath I O Driver MPIO 2 Volume Shadow Copy Service VSS optional 3 QVolume Shadow Copy Application optional this is an application for demo VSS function The software has two versions On...

Страница 194: ...2004 2014 Qsan Technology Inc All Rights Reserved Qsan Document User Manual 4 Click Browse button to change the installation directory Default is C Program Files Qsan Then click Next button 5 Click I...

Страница 195: ...ocument User Manual 6 Click Finish button the installation completes 7 Please reboot the system to ensure the DSM driver take effect 8 After reboot use Windows CLI command vssadmin list providers to c...

Страница 196: ...he disk and assign a drive letter S This volume is a Virtual disk which comes from Qsan storage system Click Start All Programs QSAN QVSSClient to run the application 2 Click Create button It will tak...

Страница 197: ...4 Observe the event log on the Qsan storage system there is an associated snapshot through VSS 5 Select the No 1 column and click Expose button then select a folder The snapshot will expose to a direc...

Страница 199: ...s another RAID 1 subgroup In the 4 cells the 4 subgroups are physical disk 0 1 physical disk 2 3 physical disk 4 5 and physical disk 6 7 WT Write Through cache write policy A caching technique in whic...

Страница 200: ...nk Aggregation Control Protocol MPIO Multi Path Input Output MC S Multiple Connections per Session MTU Maximum Transmission Unit CHAP Challenge Handshake Authentication Protocol An optional security m...

Страница 201: ...ers 146 E Email Notification Settings 82 Send Test Email 82 Enclosure Management 116 Entity and iSNS Settings 89 Event Log 122 178 Clear 122 Download 122 Mute Buzzer 122 F Fast Rebuild 169 Configurati...

Страница 202: ...oint 87 Performance Monitor 128 Physical Disks 98 Disk Check Report 99 Disk Health Check 99 Disk Scrub 99 More Information 99 Read Error Cleared 99 Set Dedicated Spare 99 Set Free Disk 99 Set Global S...

Страница 203: ...stem Name 80 T Technical Support 3 Thin Provisioning 134 Trunking 86 145 U UL Statement 5 Upgrade 123 Controller Mode 124 147 Controller Module Firmware Update 124 JBOD Firmware Update 124 142 SSD Cac...

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