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Synchronous Long Distance Remote Copy Disaster Recovery Example
InForm OS Version 2.3.1 Remote Copy User’s Guide
6 Restore the original Synchronous Long Distance Remote Copy relationship between
InServA, InServB, and InServC by issuing the
setrcopygroup restore command on
InServC.
CAUTION: The group must be started at the time the setrcopygroup restore
command is issued. Issue the
showrcopy groups <groupname> command to
confirm the group has been started. If it has not been started then issue the
startrcopygroup <groupname> command and wait for any synchronizations
that are started to complete before issuing the
setrcopygroup restore
command.
# setrcopygroup restore -f -t InServA
root@xnodeed08:~/bin# waittask -v 6754
Id Type Name Status Phase Step -------StartTime-----
-- -FinishTime-
6754 remote_copy_restore multi.1.r96 active 2/4 1/2 2009-06-29 14:56:49
PDT -
Detailed status:
2009-06-29 14:56:49 PDT Created task.
2009-06-29 14:56:49 PDT Begin Restore operation on group multi.1.r96
started.
2009-06-29 14:56:53 PDT Syncing Synchronization started for group
multi.1.r96 to target InServA.
2009-06-29 14:56:56 PDT Syncing Synchronization started for group
multi.1.r96 to target InServB.
2009-06-29 14:56:56 PDT Waiting Waiting for synchronization of group
multi.1.r96 to target InServA to complete.
2009-06-29 14:56:56 PDT Waiting Waiting for synchronization of group
multi.1.r96 to target InServB to complete.
2009-06-29 14:57:14 PDT Stopped Stopped remote copy of group
multi.1.r96.
2009-06-29 14:57:15 PDT Switched Target InServA of group multi.1.r96 was
switched from secondary to primary.
2009-06-29 14:57:16 PDT Switched Group multi.1.r96 was switched from
primary to secondary.
2009-06-29 14:57:16 PDT Waiting Waiting for volumes in group multi.1.r96
to complete snapshot promotions.
2009-06-29 14:57:17 PDT Starting Starting group multi.1.r96 to target
InServA.
2009-06-29 14:57:25 PDT Started Remote copy was started for group
multi.1.r96 and target InServA.
2009-06-29 14:57:25 PDT Completed Group multi.1.r96 restore completed.
- 3PAR Remote Copy 1
- User’s Guide 1
- 3 Remote Copy Setup 5
- 4 Using Remote Copy 6
- AQuick Setup Guide 7
- B Remote Copy Commands 7
- D Comparing MTU Speeds 9
- RH Revision History 9
- Table of Contents 10
- Introduction 11
- 1.1 Audience 12
- 1.2 Related Documentation 12
- 1.3 Organization 13
- 1.4 Typographical Conventions 14
- 1.5 Advisories 15
- Advisories 16
- Remote Copy Overview 17
- 2.1 Overview 19
- 2.2.2 Remote Copy Concepts 20
- 2.4 Remote Copy Pairs 22
- 2.5 Remote Copy Configuration 23
- Remote Copy Configuration 24
- 2.5.3 N-to-1 Configurations 25
- 2.5.4 1-to-N Configurations 27
- 2.6 Remote Copy Targets 31
- Direction of data 32
- 2.7 Remote Copy Links 33
- 2.8 Remote Copy Connections 34
- 2.8.1 IP Networks 35
- 2.9 Remote Copy Operation 36
- 2.9.1 Volume Group Modes 38
- 2.9.1.1 Synchronous Mode 39
- 2.9.1.1.1 Latency 40
- 2.9.2 Synchronization Types 41
- Remote Copy Operation 42
- 2.9.7 Role Reversal 46
- 2.11.1 In Synchronous Mode 47
- Use of Virtual Copy Snapshots 48
- 2.13 Error Handling 51
- 2.13.2 Double Link Failure 52
- Error Handling 53
- 2.13.5 Write Errors 54
- 2.13.6 Read Errors 55
- TCP/IP Network 57
- Requirements and Restrictions 58
- N-to-1 Restrictions 59
- 2.14.2 1-to-N Restrictions 60
- Remote Copy Setup 63
- 3.1 Available Setup Methods 64
- 3.2 Preparing for Setup 64
- 3.4.2.1 Setting the Gateway 71
- <N:S:P>) 72
- 3.5 Setting Up Remote Copy 78
- 3.5.1.4 Start Copying 85
- Node 0 WWN: 20210002AC0000C3 92
- Node 1 WWN: 21210002AC0000C3 92
- <group_name> 100
- Using Remote Copy 107
- 4.1 Management 108
- 4.5 Manual Resynchronization 111
- Modifying Virtual Volumes 115
- 4.9 Limiting Throughput 116
- 4.10 Stopping Remote Copy 117
- 4.11 Remote Copy Commands 117
- Remote Copy Commands 118
- Remote Copy volume group 120
- Task Command 120
- Performance and Scripting 121
- Considerations 121
- 5.1.2 Initial Synchronization 122
- 5.1.3 Distance 122
- 5.1.4 MTU Size 122
- 5.1.5 Autonegotiation 123
- 5.1.6 Remote Copy Mode 123
- 5.1.6.2 Synchronous Mode 124
- 5.3 Scripting Notes 125
- Scripting Notes 126
- Quick Setup Guide 127
- Table A-1. RCIP Setup 128
- A.3 Setting Up Remote Copy 129
- Table A-3. Remote Copy Setup 130
- Setting Up Remote Copy 131
- InForm OS CLI 135
- Administrator’s 135
- RESTRICTIONS 142
- EXAMPLES 142
- Group1 142
- specifier 173
- ■ Port. The port ID 208
- Group1 should be 218
- Example Setup and 219
- Disaster Recovery 219
- Chapter 3, Remote Copy Setup 220
- Remote Copy Setup Examples 221
- On InServ1: 224
- # showrcopy 224
- On InServ2: 225
- On InServ2 229
- InServ2 (Primary) 233
- InServ3 (Primary) 233
- InServ1 (Secondary) 233
- Direction of data replication 233
- InServ2 (Backup) 245
- InServ3 (Backup) 245
- InServ1 (Primary) 245
- ■ On InServA: 258
- ■ On InServB: 259
- ■ On InServC: 260
- InServB 267
- In the example above: 267
- ◆ On InServA: 269
- ◆ On InServB: 270
- ◆ On InServC: 271
- command on InServB and 281
- Primary-Rev) 284
- InServC 287
- -discard option bypasses 299
- To begin data migration: 317
- startrcopygroup -t 321
- Primary-Rev 326
- Primary, rather 329
- Comparing MTU Speeds 331
- Revision History 343
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