IBM XIV Storage System Copy Services and Migration

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Using XCLI for volume mirroring setupTip: When working with the XCLI session or the XCLI command the windows look thesame and you could address the wrong XIV system with your command. Therefore, itmight be good to always first issue a config_get command to verify that you are talking tothe right XIV system.Example 6-1 illustrates the use of XCLI commands to set up a mirror volume.Example 6-1 XCLI commands for mirror volume setup-- Mirror HS1_1 (select slave volume)schedule_create schedule="xiv_gui_schedule_30_1257877700437" interval=00:00:30schedule_create schedule="xiv_gui_schedule_30_1257877700437" interval=00:00:30mirror_create target="WSC_1300331" vol="HS1_1" slave_vol="HS1_1"type=ASYNC_INTERVAL rpo=90 remote_rpo=90schedule="xiv_gui_schedule_30_1257877700437"remote_schedule="xiv_gui_schedule_30_1257877700437"-- Mirror HS1_2 (create slave volume)schedule_create schedule="xiv_gui_schedule_30_1257877742375" interval=00:00:30schedule_create schedule="xiv_gui_schedule_30_1257877742375" interval=00:00:30mirror_create target="WSC_1300331" vol="HS1_2" slave_vol="HS1_2" remote_pool="HSPool1" create_slave=yes type=ASYNC_INTERVAL rpo=90 remote_rpo=90schedule="xiv_gui_schedule_30_1257877742375"remote_schedule="xiv_gui_schedule_30_1257877742375"-- Mirror HS1_3 (never schedule)mirror_create target="WSC_1300331" vol="HS1_3" slave_vol="HS1_3"type=ASYNC_INTERVAL rpo=90 remote_rpo=90 schedule="never" remote_schedule="never"-- Mirror HS1_4 (Sync)mirror_create target="WSC_1300331" vol="HS1_4" slave_vol="HS1_4"-- Change Schedule HS1_3 (master)schedule_create schedule="xiv_gui_schedule_30_1257878091625" interval=00:00:30mirror_change_schedule vol="HS1_3" schedule="xiv_gui_schedule_30_1257878091625"-- Change Schedule HS1_3 (slave)schedule_create schedule="xiv_gui_schedule_30_1257878091625" interval=00:00:30mirror_change_schedule vol="HS1_3" schedule="xiv_gui_schedule_30_1257878091625"154 IBM XIV Storage System: Copy Services and Migration
Activating the remote mirror coupling using the GUITo activate the mirror, on the primary XIV go the Remote Mirroring menu and highlight all thecouplings that you want to activate, right-click, and select Activate, as shown in Figure 6-7.Figure 6-7 Activate mirrorAs seen in Figure 6-8, the Mirror panel now shows the status of the active mirrors as RPOOK. All the async mirrors have the same mirroring status. Note that Sync Mirrors show thestatus as synchronized.Figure 6-8 Mirror status active6.1.2 Consistency group configurationIBM XIV Storage System leverages its consistency group capability to allow for mirroringnumerous volumes at once. The system creates snapshots of the master consistency groupsat user-configured intervals and synchronizes these point-in-time snapshots with the slave.Setting the consistency group to be mirrored is done by first creating a consistency group,then setting it to be mirrored, and only then populating it with volumes. A consistency groupmust be created at the primary XIV and a corresponding consistency group at the secondaryXIV. The names of the consistency groups can be different. When creating a consistencygroup, you also must specify the storage pool.All volumes that you are going to add to the consistency group must be in that pool on theprimary XIV and in one pool at the secondary XIV. Adding a new volume pair to a mirroredChapter 6. Asynchronous Remote Mirroring 155
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Front coverIBM XIV Storage System:C
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Note: Before using this information
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7.9.4 Host server cannot access the
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viiiIBM XIV Storage System: Copy Se
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TrademarksIBM, the IBM logo, and ib
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Recovery Program at the Pentagon fo
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Comments welcomeYour comments are i
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1.1 Snapshots architectureBefore we
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A logical volume is represented by
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If you know in advance that an auto
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An application can utilize many vol
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Note: The creation date of the dupl
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Along with these properties, the tr
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The GUI also lets you specify the d
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pointers to the original data are l
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For the second scenario, the origin
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Figure 1-28 no longer displays the
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To examine the details of the scena
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Restriction: Volumes in a consisten
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When created, the consistency group
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The new snapshots are created and d
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To obtain details about a consisten
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Example 1-12 illustrates the snap_g
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1.5 MySQL database backup exampleMy
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Before running the backup script, a
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# XCLI command to perform the backu
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40 IBM XIV Storage System: Copy Ser
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2.1 OverviewThis section includes a
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Figure 2-2 shows the Tivoli Storage
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►For exchange data, the Microsoft
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2.4.1 XIV VSS Provider installation
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Provide specific information regard
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The Windows server is now ready to
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3. The Requirements Check dialog wi
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5. The completion window shown in F
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To perform a VSS snapshot backup of
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CLUSTERnodePASSWORDAccessNOGenerate
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To see a list of the available VSS
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64 IBM XIV Storage System: Copy Ser
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3.1 Volume copy architectureThe vol
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Figure 3-2 provides an example of t
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After the copy is complete, power u
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4.1 XIV Remote Mirroring overviewTh
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►Host read operations are perform
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Figure 4-4 shows remote mirror conn
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4.2.2 Operational proceduresMirrori
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After mirroring has been implemente
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4.3 XIV Remote Mirroring usageRemot
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►Metro region plus out-of-region
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Figure 4-15 shows an XIV local snap
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►XIV target configuration: synchr
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►XIV target configuration: bi-dir
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Connections must be made between po
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In Figure 4-28, five of the seven e
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If multiple volumes will have depen
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there are certain additional constr
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In synchronous mirroring, during st
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4.4.11 Mirror reactivation and resy
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Page 128 and 129: 4.7 Advantages of XIV mirroringXIV
Page 130 and 131: As seen in Example 4-1, in the Role
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Page 134 and 135: Selecting Configure opens a configu
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Page 138 and 139: 4.11.3 XCLI examplesXCLI commands c
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Page 142 and 143: 5.1 Synchronous mirroring configura
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Page 148 and 149: Adding a mirrored volume to a mirro
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Page 156 and 157: Example 5-8 List mirror couplingsFi
Page 158 and 159: 5.5.3 Phase 3: recovery of the prim
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Page 162 and 163: 5.5.4 Phase 4: switching production
Page 164 and 165: 5. Reassign volumes back to the pro
Page 166 and 167: 6.1 Asynchronous mirroring configur
Page 168 and 169: The slave volume must be unlocked a
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Page 174 and 175: Go to the Mirroring panel and verif
Page 176 and 177: -- Activate Mirror CGmirror_activat
Page 178 and 179: Change RPO and intervalThe required
Page 180 and 181: Deactivation on the masterTo deacti
Page 182 and 183: 6.2 Role reversalChanging roles can
Page 184 and 185: Slave peer consistencyWhen the user
Page 186 and 187: ►►A disaster that makes the who
Page 188 and 189: 6.5.2 Mirroring ongoing operationFo
Page 190 and 191: The sync job runs and the mirror st
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Page 194 and 195: GUI steps to duplicate a snapshot g
Page 196 and 197: Figure 6-42 New master volumesAfter
Page 198 and 199: XCLI commands for DR testingFigure
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Page 204 and 205: An example of selecting which metho
Page 206 and 207: not presented to the XIV. Check you
Page 208 and 209: Figure 7-3 depicts a fabric-attache
Page 210 and 211: 4. Enter another port (repeating st
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Page 214 and 215: Important: You cannot use the XIV d
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►►►►►►►►Define host
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4. Click New for a new system varia
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- Source LUN: Enter the decimal val
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The rate parameters can only be set
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eing generated by the migration pro
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If you chose to allow the XIV to de
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that volume must have been deleted
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►The volume on the source non-XIV
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7.10.4 Back-out after a data migrat
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TasknumberCompleted?Where toperform
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Using Microsoft calculator to conve
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7.12.3 HDS TagmaStore USPIn this se
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In Example 7-10 the XCLI commands s
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1011 0003 10.0 5001738000230153 Nex
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Using XIV DM to migrate an AIX file
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zone: nextrazap_dolly_fcs110:00:00:
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We now allocate the ESS 800 LUNS to
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We can also use a script provided b
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We then get a warning message. The
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242 IBM XIV Storage System: Copy Se
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8.1 Steps to take when using SVC mi
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When a partially populated XIV has
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8.3.3 Hardware dependenciesThere ar
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This leads to the following recomme
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8.4.3 Creating XIV volumes that are
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If your SVC uses firmware Version 5
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2. Define the SVC nodes to the XIV
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2. List the newly detected MDisks,
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8.7.2 Using VDisk mirroring to move
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8.8.2 Create the MDisk groupWe must
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8.9.2 Create the MDisk groupWe must
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In Example 8-42 we display the prog
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When an SVC volume is created we no
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In Example 8-55, we monitor the mig
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The VDisk moves from being in image
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the additional Fibre Channel ports
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TasknumberCompleted?Where toperform
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► Fibre Channel SAN Configuration
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DR testingGUI steps 179DS4000 190,
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RRDAC 227-228reactivation 111Recove
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emote mirroring peers 110remote tar
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IBM XIV Storage System: CopyService
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IBM XIV Storage System Copy Services and Migration

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