IBM XIV Storage System Copy Services and Migration

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DR testingGUI steps 179DS4000 190, 192, 195, 227DS5000 227DS6000 189, 230DS8000 189, 230–231DSMagent 60duplicate 6, 9–10Duplicate Snapshot 6, 8–10, 110duplicate snapshot 6, 9, 11creation date 6, 10–11creation time 6Eenvironment variables 205–206ESS 189, 195, 207, 229Ethernet 113Ethernet switch 176event log 211, 227Exchange Server 45extent size 252–254new managed disk group 261Ffail-over 188–189, 218failure 72fan-in 89fan-out 89fc_port_config 117fc_port_list 113, 117Fibre Channel 113Fibre Channel (FC) 71, 86, 91Fibre Channel ports 91, 116, 176FLASHCOPYMANAGER 59GGiB 250–252Graphical User InterfaceRemote Mirroring performance statistics 112Graphical User Interface (GUI) 8, 11, 91, 113GUI example 176GUI step 178HHost Attachment Kit 58Host Attachment Procedure 197host server 186–187, 201I/O requests 187host_add_port host 256IIBM Tivoli Storage FlashCopy Manager 41IBM Tivoli Storage Manager V6 42IBM XIVdata migration solution 186storage 187image mode 245, 252, 260, 267Migration 271SVC migration 267initialization 78, 97initialization rate 90, 209–210initializing state 129initiator 113–114, 116, 186, 189, 191Instant Restore 63Instant Restore (IR) 62interval 73IO group 264ipinterface_list 113–114iSCSI 113iSCSI ports 91KKB 5Keep Source Updated 188, 199, 208Llast consistent snapshot 136timestamp 137last_consistent 135last_replicated 100last_replicated snapshot 100–101, 157, 167–168, 172Level 1.0 58–60license 258, 273, 275linkfailure 136link failure 169link status 79link utilization 79Linux x86 192, 230local site 72, 79, 88, 127–128, 133, 166, 170, 181Master volumes 138old Master volumes 138lock Snapshot 35Logical Unit Number (LUN) 77, 92LUN ID 187, 197–198, 200LUN mapping 197LUN numbering 192, 223LUN0 192, 195, 221, 223MMachinePool Editor 51managed mode 267, 271–272map_vol host 268Master 72, 77Master peer 78, 107–108, 133, 151, 168master peeractual data 108Deactivate XIV remote mirroring 108remote mirroring 108XIV remote mirroring 108Master role 74, 76–77, 96, 126, 133–134, 136, 161, 166Master volume 5, 10, 15–16, 73, 78, 81, 101, 132,134–136, 167–168periodic consistent copies 171master volume 5, 9, 14280 IBM XIV Storage System: Copy Services and Migration
actual data 98additional Snapshot 110Changing role 101Deactivate XIV remote mirroring 109, 111duplicate snapshot 9, 20identical copy 80Reactivate XIV remote mirroring 111XIV remote mirroring 104max_initialization_rate 209–211max_resync_rate 209–210max_syncjob_rate 209–210MDisk 249, 251MDisk group 252–254free capacity 255image mode VDisk 271MDisks 245, 249–250metadata 5, 10, 100Microsoft Excel 223Microsoft Exchange Server 46Microsoft SQL Server 46Microsoft Volume Shadow Copy Services (VSS) 41migrationspeed 189, 208Mirrorinitialization 78ongoing operation 78mirroractivation 97delete 106reactivation 102resynchronization 102Mirror coupling 92, 96deactivate 99mirror coupling 97mirror_activate 145mirror_change_role 140mirror_create_snapshot 72mirror_lis 129mirror_list 145, 147mirror_list command 129–130mirror_statistics_get 112mirrored Cgmirrored volume 105Mirrored consistency groupmirrored volume 104Mirroringstatistics 112status 79mirroringactivation 126setup 126target 86mirroring schemes 75most_recent 100most_recent Snapshot 159, 169–170, 172MSCS Cluster 199Multipathing 223–225, 230MySQL 31–32, 34NN10116 45naming convention 9no source updating 187–188normal operation 87, 91, 133, 169data flow 91OOK button 13–14ongoing operation 78Open Office 223operating system (OS) 46–47, 51, 68, 70original data 46exact read-only copy 46full copy 46original snapshot 6, 9, 12duplicate snapshot points 6mirror copy 21Ppeer 72, 76designations 77role 77pointer 5, 15, 34Point-in-Time (PIT) 74Point-in-Time (PiT) 74point-in-time copy 196port configuration 115port role 117portperfshow 211ports 116, 176power loss consistency 94Primary 72, 77, 96Primary siteFailure 107primary site 78, 101, 103, 107, 131, 133, 156, 161, 166,170full initialization 170Master volumes 142–143Master volumes/CG, servers 169production activities 169production server 147Role changeover 142–143primary system 114, 117source volumes 169Primary XIV 74, 81, 122, 155primary XIVMaster volume 147Mirror statuses 130, 145original direction 136Remote Mirroring menu 147Slave volumes 142–143provider 41, 46Qqueue depth 249, 251quiesce 47Index 281
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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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►►The volume mirroring settings
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4.4.16 Deleting mirror coupling def
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10.Unmap master peers at XIV 2 from
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6. Remove connectivity between the
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4.7 Advantages of XIV mirroringXIV
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As seen in Example 4-1, in the Role
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hover the mouse over a port, as sho
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Selecting Configure opens a configu
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Connections are easily defined by c
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4.11.3 XCLI examplesXCLI commands c
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124 IBM XIV Storage System: Copy Se
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5.1 Synchronous mirroring configura
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- Slave CG / VolumeThis is the name
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2. On the Secondary XIV go to the R
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Adding a mirrored volume to a mirro
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5.3 Role reversalWith synchronous m
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uncommitted data, and it is the res
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►►The local site recoveryThe ol
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Example 5-8 List mirror couplingsFi
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5.5.3 Phase 3: recovery of the prim
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Reactivating the remote mirror coup
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5.5.4 Phase 4: switching production
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5. Reassign volumes back to the pro
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6.1 Asynchronous mirroring configur
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The slave volume must be unlocked a
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Using XCLI for volume mirroring set
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consistency group requires the volu
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Go to the Mirroring panel and verif
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-- Activate Mirror CGmirror_activat
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Change RPO and intervalThe required
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Deactivation on the masterTo deacti
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6.2 Role reversalChanging roles can
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Slave peer consistencyWhen the user
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►►A disaster that makes the who
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6.5.2 Mirroring ongoing operationFo
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The sync job runs and the mirror st
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Mirror synchronization statusSynchr
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GUI steps to duplicate a snapshot g
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Figure 6-42 New master volumesAfter
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XCLI commands for DR testingFigure
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184 IBM XIV Storage System: Copy Se
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1514131211109876543210OKACID /Diag2
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An example of selecting which metho
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not presented to the XIV. Check you
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Figure 7-3 depicts a fabric-attache
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4. Enter another port (repeating st
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c. Name: Enter a cluster name in th
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Important: You cannot use the XIV d
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7.3.4 Create and activate a data mi
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Important: If this is an online mig
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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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Page 252 and 253: We now allocate the ESS 800 LUNS to
Page 254 and 255: We can also use a script provided b
Page 256 and 257: We then get a warning message. The
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Page 260 and 261: 8.1 Steps to take when using SVC mi
Page 262 and 263: When a partially populated XIV has
Page 264 and 265: 8.3.3 Hardware dependenciesThere ar
Page 266 and 267: This leads to the following recomme
Page 268 and 269: 8.4.3 Creating XIV volumes that are
Page 270 and 271: If your SVC uses firmware Version 5
Page 272 and 273: 2. Define the SVC nodes to the XIV
Page 274 and 275: 2. List the newly detected MDisks,
Page 276 and 277: 8.7.2 Using VDisk mirroring to move
Page 278 and 279: 8.8.2 Create the MDisk groupWe must
Page 280 and 281: 8.9.2 Create the MDisk groupWe must
Page 282 and 283: In Example 8-42 we display the prog
Page 284 and 285: When an SVC volume is created we no
Page 286 and 287: In Example 8-55, we monitor the mig
Page 288 and 289: The VDisk moves from being in image
Page 290 and 291: the additional Fibre Channel ports
Page 292 and 293: TasknumberCompleted?Where toperform
Page 294 and 295: ► Fibre Channel SAN Configuration
Page 298 and 299: RRDAC 227-228reactivation 111Recove
Page 300 and 301: emote mirroring peers 110remote tar
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