Hp XP7 Storage Manual do Utilizador Página 179
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(3) pairsplit -S option
• Issues Freeze to CT group on each MCU
• Issues Delete & Run to make a deleting state for CT group on each MCU
• Searches/commits a minimum matching point of the CTQ-Marker on RCU via MCU (in other
words, do Journal Restore with CTQ-Marker)
• Repeats above until detecting an EOM (End Of Marker) marked on MCU on all RCU via MCU
• Issues End of Delete to terminate a deleting state, after committed with EOM (End Of Marker)
on all RCU
Exception: If an uncommitted state(that is, link failure) is detected while executing its operation,
then the operation of committing is aborted on keeping current CTQ-Marker level, and a deleting
state terminates without waiting for an EOM (End Of Marker).
(4) pairsplit -RS option
In the case of PAIR state (NO failure):
• Issues SwapSuspend to make a suspending state for CT group on each RCU
• Searches/commits a minimum matching point of the CTQ-Marker on RCU via RCU (in other
words, do Journal Restore with CTQ-Marker)
• Repeats above until detecting an EOM (End Of Marker) marked on MCU on all RCU via RCU
• Issues End of Suspend to terminate a suspending state, after committed with an EOM (End Of
Marker) on all RCU
Exception: If an uncommitted state (that is, link failure) is detected while executing its operation,
then the operation of committing is aborted on keeping current CTQ-Marker level, and a suspending
state terminates with detecting at least one EOM (End Of Marker).
In the case of Failure (PSUE/PSUS):
• Issues SwapSuspend to make a suspending state for CT group on each RCU
• Searches/commits a minimum matching point of the CTQ-Marker on RCU via RCU (in other
words, do Journal Restore with CTQ-Marker)
• Repeats above until detecting an EOM(End Of Marker) marked on all RCU via RCU
• Issues End of Suspend to terminate a suspending state
(5) pairsplit -R option
In the case of PAIR state (NO failure):
• Issues Delete to make a deleting state for CT group on each RCU
• Searches/commits a minimum matching point of the CTQ-Marker on RCU via RCU (in other
words, do Journal Restore with CTQ-Marker)
• Repeats above until detecting an EOM (End Of Marker) marked on MCU on all RCU via RCU
• Issues End of Delete to terminate a deleting state, after committed with an EOM (End Of
Marker) on all RCU
Exception: If an uncommitted state (that is, link failure) is detected while executing its operation,
then the operation of committing is aborted on keeping current CTQ-Marker level, and a deleting
state terminates with detecting at least one EOM (End Of Marker).
In the case of Failure(PSUE/PSUS):
• Issues Delete to make a deleting state for CT group on each RCU
• Searches/commits a minimum matching point of the CTQ-Marker on RCU via RCU (in other
words, do Journal Restore with CTQ-Marker)
Continuous Access Journal MxN configuration and control 179
- 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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