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If PVOL has non-reflected data in PAIR state:
Behavior of first pairsplit at T0Behavior of OLD pairsplit at T0
PVOL_PAIR from/to SVOL_PAIR(WD)T0 PVOL_PAIR from/to SVOL_PAIR(WD)
PVOL_PSUS from/to SVOL_COPY(WE)T1: PVOL_COPY from/to SVOL_COPY(WD)
PVOL_PSUS from/to SVOL_SSUS(WE)T2: PVOL_PSUS from/to SVOL_SSUS(WE)
If PVOL has been reflected all data to SVOL in PAIR state:
Behavior of First pairsplit at T0Behavior of OLD pairsplit at T0
PVOL_PAIR from/to SVOL_PAIR(WD)T0: PVOL_PAIR from/to SVOL_PAIR(WD)
PVOL_PSUS from/to SVOL_SSUS(WE)T1: PVOL_PSUS from/to SVOL_SSUS(WE)
• The state changes for paircreate -split are:
Behavior of First paircreate -split at T0Behavior of OLD paircreate -split at T0
SMPL from/to SMPLT0: SMPL from/to SMPL
PVOL_PSUS from/to SVOL_COPY(WE)T1: PVOL_COPY from/to SVOL_COPY(WD)
PVOL_PSUS from/to SVOL_SSUS(WE)T2: PVOL_PSUS from/to SVOL_SSUS(WE)
• If you attempt the pairevtwait -s psus in PVOL_PSUS & SVOL_COPY state, then pairevtwait
will return immediately even if the S-VOL is still in SVOL_COPY state because PVOL is already
in PVOL_PSUS state. If you want to wait the "SVOL_SSUS" state, and then you must check the
status of the S-VOL becomes "SVOL_PSUS" via the return code using pairvolchk -ss command
on SVOL side or pairvolchk -ss -c command on PVOL side. Or you can use pairevtwait -ss
ssus on both PVOL and SVOL, pairevtwait -ss ssus -l on SVOL locally.
• If you attempt the pairresync -restore or pairsplit -S in PVOL_PSUS & SVOL_COPY state, then
Business Copy will reject this command due to unable to perform. In this case, you need to
wait until the S-VOL state becomes SVOL_SSUS.
Table 34 Pair status versus Snapshot commands
Snapshot CommandPair Status
pairresyncpairsplitpaircreate
Resync-S option-C option-E option-splitNo -split
RejectedAcceptableRejectedRejectedRejectedAccepted 2SMPL1
AcceptableRejectedRejectedRejectedRejectedAcceptableCOPY
RCPY
2
AcceptableAccepted 1Accepted 4RejectedAccepted*4AcceptablePAIR3
Accepted* 2Accepted 1AcceptableRejectedAcceptableRejectedPSUS
(PFUS)
4
Accepted* 2Accepted 1RejectedAcceptableRejectedRejectedPSUE5
Accepted*: A command is accepted and issued; whether this command is executed or not depends
on the microcode version of the RAID storage system.
160 Data replication operations with RAID Manager
- Abstract 1
- DescriptionDateEdition 2
- Contents 3
- 4 Contents 4
- Contents 5 5
- 6 Contents 6
- Contents 7 7
- 8 Contents 8
- 1 Overview 9
- Provisioning function 10
- Command execution modes 11
- Precheck function 11
- User authentication 13
- 14 Overview 14
- Data protection 15
- ◦ A command server 16
- Command device 16
- Command device guarding 17
- # horcctl -DI 18
- AI = 14 TI = 0 CI = 1 18
- Command competition 20
- Command flow 20
- HORCM operational environment 21
- Configuration definition file 25
- HORCM_MON 27
- HORCM_CMD 29
- \\.\CMD-30095-250-CL1-A 29
- Business Copy 37
- RAID Manager software files 41
- RAID Manager log files 45
- RAID Manager trace files 47
- Command logging for audit 47
- Logging raidcom command 49
- /var/log/raidcom.err 50
- User-created files 52
- User environment variable 52
- Hardware requirements 54
- I/O Traffic Control 54
- Security setting 54
- Controlling User Role 56
- Controlling user resources 57
- Target resources 58
- Resource lock function 63
- Context check 65
- [-clpr <clpr#>] 66
- Configuration check 70
- LDEV grouping function 72
- LDEV grouping function 73 73
- Define device group 75
- 4. Device group deletion 76
- Device group creation 77
- LDEV addition to device group 77
- Device group deletion 79
- Copy group function 80
- When creating a copy group 81
- When deleting a copy group 81
- Copy group creation 82
- LDEV addition to a copy group 82
- LDEV deletion from copy group 83
- Copy group deletion 84
- LDEV grouping function 85 85
- LDEV grouping function 87 87
- Journal Z (continued) 90
- HORCM_VCMD 94
- 4 Starting up RAID Manager 100
- One instance 101
- Two instances 101
- ◦ for starting [HORCM0]: 104
- About provisioning operations 106
- Asynchronous commands 107
- LDEV nickname function 108
- Operation method 114
- Resource group operations 116
- Execution example 117
- Internal volume operations 118
- Script examples 121
- Operational flow 127
- External volume operations 132
- Script Examples 133
- Cache Partition operations 135
- Displaying CLPR information 136
- Features of paired volumes 143
- Synchronous 144
- Business Copy operations 145
- Business Copy cascading pairs 146
- Business Copy operations 147 147
- The Takeover-switch function 150
- Swap-takeover function 151
- SVOL-takeover function 152
- PVOL-takeover function 153
- Journal operations 155
- # pairsplit -g oradb 159
- # pairdisplay -g oradb -fc 159
- Access Journal volumes 161
- Setting the fence level 166
- Snapshot operations 167
- Creating a Snapshot pair 168
- Snapshot pair status 168
- Controlling Auto LUN 169
- Specifications for Auto LUN 170
- Commands to control Auto LUN 171
- Restrictions for Auto LUN 175
- Overview 175
- (3) Propagating Error suspend 176
- Command specifications 177
- Notice on system operation 180
- Configuration examples 181
- (1) Cnt Ac-J 2x2 182
- Remote volume discovery 183
- Discovering a remote volume 184
- Data protection operations 186
- Data Protection facility 189
- Data Protection facility 191 191
- Permission command 192
- New options for security 193
- Permitting protected volumes 194
- Environment variables 195
- $HORCMPERM 196
- Volume discovery function 198
- GPT disk for Windows 205
- Host group control 207
- SLPR configuration examples 210
- Dual Hosts 211
- 9 Troubleshooting 214
- System log messages 217
- Command error messages 218
- Specific error codes 227
- SSB codes 228
- Calling the HP Support Center 296
- Contacting HP 297
- Related information 297
- Typographic conventions 298
- Glossary 300
- 302 Index 302
- 304 Index 304
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