IBM XIV Storage System Copy Services and Migration

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As seen in Example 4-1, in the Role column each Fibre Channel port is identified as either atarget or an initiator. Simply put, a target in a Remote Mirror configuration is the port that willbe receiving data from the other system, whereas an initiator is the port that will be doing thesending of data. In this example, there are three initiators configured. Initiators, by default, areconfigured on FC:X:4 (X is the module number). In this highlighted example, port 4 in module6 is configured as the initiator.Example 4-1 The fc_port_list output command>> fc_port_listComponent ID Status Currently Functioning WWPN Port ID Role1:FC_Port:4:1 OK yes 5001738000130140 00030A00 Target1:FC_Port:4:2 OK yes 5001738000130141 0075002E Target1:FC_Port:4:3 OK yes 5001738000130142 00750029 Target1:FC_Port:4:4 OK yes 5001738000130143 00750027 Initiator1:FC_Port:5:1 OK yes 5001738000130150 00611000 Target1:FC_Port:5:2 OK yes 5001738000130151 0075001F Target1:FC_Port:5:3 OK yes 5001738000130152 00021D00 Target1:FC_Port:5:4 OK yes 5001738000130153 00000000 Initiator1:FC_Port:6:1 OK yes 5001738000130160 00070A00 Target1:FC_Port:6:2 OK yes 5001738000130161 006D0713 Target1:FC_Port:6:3 OK yes 5001738000130162 00000000 Target1:FC_Port:6:4 OK yes 5001738000130163 0075002F Initiator1:FC_Port:9:1 OK yes 5001738000130190 00DDEE02 Target1:FC_Port:9:2 OK yes 5001738000130191 00FFFFFF Target1:FC_Port:9:3 OK yes 5001738000130192 00021700 Target1:FC_Port:9:4 OK yes 5001738000130193 00021600 Initiator1:FC_Port:8:1 OK yes 5001738000130180 00060219 Target1:FC_Port:8:2 OK yes 5001738000130181 00021C00 Target1:FC_Port:8:3 OK yes 5001738000130182 002D0027 Target1:FC_Port:8:4 OK yes 5001738000130183 002D0026 Initiator1:FC_Port:7:1 OK yes 5001738000130170 006B0F00 Target1:FC_Port:7:2 OK yes 5001738000130171 00681813 Target1:FC_Port:7:3 OK yes 5001738000130172 00021F00 Target1:FC_Port:7:4 OK>>yes 5001738000130173 00021E00 InitiatorThe iSCSI connections are shown in Example 4-2 using the command ipinterface_list.The output has been truncated to show just the iSCSI connections in which we are interestedhere. The command also displays all Ethernet connections and settings. In this example wehave two connections displayed for iSCSI—one connection in module 7 and one connectionin module 8.Example 4-2 The ipinterface_list command>> ipinterface_listName Type IP Address Network Mask Default Gateway MTU Module Portsitso_m8_p1 iSCSI 9.11.237.156 255.255.254.0 9.11.236.1 4500 1:Module:8 1itso_m7_p1 iSCSI 9.11.237.155 255.255.254.0 9.11.236.1 4500 1:Module:7 1114 IBM XIV Storage System: Copy Services and Migration
Alternatively, a single port can be queried by selecting a system in the GUI, followed byselecting Mirror Connectivity (Figure 4-45).Figure 4-45 Selecting Mirror ConnectivityClick the connecting links between the systems of interest to view the ports.Right-click a specific port and select Properties, the output of which is shown in Figure 4-46.This particular port is configured as a target.Figure 4-46 Port properties displayed with GUIAnother way to query the port configuration is to select the desired system, click the curvedarrow (at the bottom right of the window) to display the ports on the back of the system, andChapter 4. Remote Mirroring 115
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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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Page 82 and 83: 3.1 Volume copy architectureThe vol
Page 84 and 85: Figure 3-2 provides an example of t
Page 86 and 87: After the copy is complete, power u
Page 88 and 89: 4.1 XIV Remote Mirroring overviewTh
Page 90 and 91: ►Host read operations are perform
Page 92 and 93: Figure 4-4 shows remote mirror conn
Page 94 and 95: 4.2.2 Operational proceduresMirrori
Page 96 and 97: After mirroring has been implemente
Page 98 and 99: 4.3 XIV Remote Mirroring usageRemot
Page 100 and 101: ►Metro region plus out-of-region
Page 102 and 103: Figure 4-15 shows an XIV local snap
Page 104 and 105: ►XIV target configuration: synchr
Page 106 and 107: ►XIV target configuration: bi-dir
Page 108 and 109: Connections must be made between po
Page 110 and 111: In Figure 4-28, five of the seven e
Page 112 and 113: If multiple volumes will have depen
Page 114 and 115: there are certain additional constr
Page 116 and 117: In synchronous mirroring, during st
Page 118 and 119: 4.4.11 Mirror reactivation and resy
Page 120 and 121: ►►The volume mirroring settings
Page 122 and 123: 4.4.16 Deleting mirror coupling def
Page 124 and 125: 10.Unmap master peers at XIV 2 from
Page 126 and 127: 6. Remove connectivity between the
Page 128 and 129: 4.7 Advantages of XIV mirroringXIV
Page 132 and 133: hover the mouse over a port, as sho
Page 134 and 135: Selecting Configure opens a configu
Page 136 and 137: Connections are easily defined by c
Page 138 and 139: 4.11.3 XCLI examplesXCLI commands c
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Page 142 and 143: 5.1 Synchronous mirroring configura
Page 144 and 145: - Slave CG / VolumeThis is the name
Page 146 and 147: 2. On the Secondary XIV go to the R
Page 148 and 149: Adding a mirrored volume to a mirro
Page 150 and 151: 5.3 Role reversalWith synchronous m
Page 152 and 153: uncommitted data, and it is the res
Page 154 and 155: ►►The local site recoveryThe ol
Page 156 and 157: Example 5-8 List mirror couplingsFi
Page 158 and 159: 5.5.3 Phase 3: recovery of the prim
Page 160 and 161: Reactivating the remote mirror coup
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
Page 170 and 171: Using XCLI for volume mirroring set
Page 172 and 173: consistency group requires the volu
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
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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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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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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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