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In this example, Remote Copy copies data from the virtual volumes in volume group
multi.1.r96 on SystemC to multi.1 on SystemA.
• Starts Remote Copy on the recovered system (SystemA)
For example, the list of tasks launched by the setrcopygroup recover command on
SystemC looks like:
# setrcopygroup recover -f -t SystemA
recover started with tasks: 6747
root@xnodeed08:~/bin# waittask -v 6747
Id Type Name Status Phase Step -------StartTime------- -FinishTime-
6747 remote_copy_recover multi.1.r96 active 2/4 0/1 2009-06-29 14:52:43 PDT -
Detailed status:
2009-06-29 14:52:43 PDT Created task.
2009-06-29 14:52:43 PDT Begin Recover operation on group multi.1.r96 started.
2009-06-29 14:52:44 PDT Switched Target SystemA of group multi.1.r96 was switched from primary
to
secondary.
2009-06-29 14:52:44 PDT Waiting Wait for target SystemA of group multi.1.r96 to complete
snapshot
promotions.
2009-06-29 14:54:05 PDT Starting Starting group multi.1.r96 to target SystemA.
2009-06-29 14:54:14 PDT Started Remote copy was started for group multi.1.r96 and target
SystemA.
2009-06-29 14:54:14 PDT Completed Group multi.1.r96 recover completed.
* Volumes on SystemA promoting:
root@xnodeed28:~/bin# showvv -rcopy
----Rsvd(MB)---- -(MB)-
Id Name Prov Type CopyOf BsId Rd -Detailed_State- Adm Snp Usr VSize RcopyStatus
RcopyGroup
0 admin full base --- 0 RW normal 0 0 10240 10240 none --
100 testvv.0 cpvv base --- 100 RW promoting 512 2048 1024 1024 secondary
multi.1
5906 rcpy.222.100.59 snp vcopy testvv.0 100 RO normal -- -- -- 1024 snap
multi.1
5912 rcpy.222.100.58 snp vcopy testvv.0 100 RO normal -- -- -- 1024 snap
multi.1
101 testvv.1 cpvv base --- 101 RW promoting 512 2048 1024 1024 secondary
multi.1
5907 rcpy.222.101.59 snp vcopy testvv.1 101 RO normal -- -- -- 1024 snap
multi.1
5913 rcpy.222.101.58 snp vcopy testvv.1 101 RO normal -- -- -- 1024 snap
multi.1
102 testvv.2 cpvv base --- 102 RW promoting 512 2048 1024 1024 secondary
multi.1
5908 rcpy.222.102.59 snp vcopy testvv.2 102 RO normal -- -- -- 1024 snap
multi.1
5914 rcpy.222.102.58 snp vcopy testvv.2 102 RO normal -- -- -- 1024 snap
multi.1
103 testvv.3 cpvv base --- 103 RW promoting 512 2048 1024 1024 secondary
multi.1
5909 rcpy.222.103.59.1 snp vcopy testvv.3 103 RO normal -- -- -- 1024 snap
multi.1
5915 rcpy.222.103.58 snp vcopy testvv.3 103 RO normal -- -- -- 1024 snap
multi.1
3. Verify that the primary system is up and the Remote Copy pairs are synchronized:
a. Issue the showrcopy command on the failover system (SystemC).
158 Disaster Recovery for Synchronous Long Distance
- User’s Guide 1
- Contents 3
- 4 Contents 4
- Contents 5 5
- 6 Contents 6
- Contents 7 7
- 8 Contents 8
- Contents 9 9
- Introduction 10
- Advisories 11
- Servers” (page 42) 12
- Remote Copy System Locations 13
- Additional Information 13
- N-to-1 Configuration 15
- 1-to-N Configuration 16
- If a Backup System Fails 18
- If the Primary System Fails 19
- IP Networks 21
- Fibre Channel Networks 22
- General Considerations 22
- General Requirements 23
- General System Restrictions 23
- General Software Restrictions 24
- Virtual Volume Considerations 25
- N-to-1 Considerations 25
- 1-to-N Considerations 26
- 5 Gathering Setup Information 29
- 6 Setting the Transport Layer 33
- Setting the Gateway 34
- For example: 35
- Increasing MTU (Optional) 37
- Configuring Ports for RCFC 38
- # showport -rcfc 39
- # showrctransport -rcfc 39
- Setting Up the Primary System 47
- Setting Up the Backup System 48
- SolutionProblem 54
- Setting Up the Backup Systems 59
- # showrcopy groups 65
- Example Unidirectional Setup 67
- Example Bidirectional Setup 76
- Part III Managing Remote Copy 85
- Volume Groups 90
- Changing One Volume Group 93
- 17 Modifying Virtual Volumes 95
- Renaming Virtual Volumes 96
- 18 Limiting Throughput 97
- Removing Throughput Limits 98
- 19 Optimizing Performance 99
- Volume Group Mode 100
- Additional Information: 103
- (page 104) 103
- Primary System (System1) 104
- Backup System (System2) 105
- Synchronous Mode 106
- Asynchronous Periodic Mode 106
- Recovering from Disaster 107
- Recovery 108
- Backup System (System1) 114
- First Backup System (System2) 126
- Primary System (SystemA) 135
- Stages of Disaster Recovery 139
- Failover 141
- Transfer) 151
- Part V Remote Copy Concepts 180
- Remote Copy Pairs 181
- Overview of Targets 181
- Target Definitions 181
- Remote Copy Target System 182
- Remote Copy Target System 183 183
- 25 Remote Copy Links 184
- Links per Remote Copy Pair 185
- Receiving Links 186
- 26 Virtual Volumes and CPGs 187
- Basic Information about CPGs 188
- Creating a CPG 188
- 27 Volume Groups 190
- How Volume Groups Work 191
- How Volume Groups Are Named 191
- Unidirectional Volume Groups 192
- Bidirectional Volume Groups 192
- 28 Volume Group Modes 194
- 196 Volume Group Modes 196
- Types of Synchronization 197
- Full Synchronization 198
- Resychronization 199
- Resynchronization 202
- 30 Remote Copy Snapshots 203
- Snapshots in Synchronous Mode 204
- 206 Remote Copy Snapshots 206
- 31 Error Handling 207
- Failure of All Links 208
- Failure of a Storage System 209
- Write Errors 209
- Read Errors 210
- Sync States 211
- Part VI Appendices 212
- A Quick Setup Guide 213
- (continued) 217
- Issuing Remote Copy Commands 223
- D The Remote Copy Commands 224
- 226 The Remote Copy Commands 226
- 228 The Remote Copy Commands 228
- 230 The Remote Copy Commands 230
- AUTHORITY 232
- SUBCOMMANDS 232
- 234 The Remote Copy Commands 234
- SPECIFIERS 235
- RESTRICTIONS 236
- EXAMPLES 236
- 238 The Remote Copy Commands 238
- 240 The Remote Copy Commands 240
- 1:4:1:23410002AC000060 241
- 242 The Remote Copy Commands 242
- # dismissrcopyvv vv1 Group1 244
- 244 The Remote Copy Commands 244
- # growvv vv1 2t 245
- # removercopygroup Group1 249
- 250 The Remote Copy Commands 250
- # removercopytarget System1 251
- # removercopytarget System2 251
- 256 The Remote Copy Commands 256
- 258 The Remote Copy Commands 258
- 260 The Remote Copy Commands 260
- 264 The Remote Copy Commands 264
- 268 The Remote Copy Commands 268
- # showrctransport 269
- # startrcopy 272
- 272 The Remote Copy Commands 272
- # startrcopygroup Group1 273
- 274 The Remote Copy Commands 274
- # stoprcopy -stopgroups 284
- 284 The Remote Copy Commands 284
- # stoprcopygroup Group1 285
- 286 The Remote Copy Commands 286
- # syncrcopy Group1 287
- # syncrcopy -pat testgroup* 288
- 288 The Remote Copy Commands 288
- 290 Index 290
- 292 Index 292
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