Hp XP P9500 Storage User Manual Page 150
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2. In the tree, select a master or restore journal below Registered > LDKC00.
3. In the mirror list, right-click the mirror that you want to assign to the remote command device,
and click Mirror > Assign R-Cmd. Dev from the menu that displays. The Assign Remote
Command Device dialog box displays, as shown below.
4. Assign mirror IDs to remote command devices as follows.
• On primary site:
- Assign mirror ID 00 to the remote command device that is mapped to on the intermediate
site.
- Assign the mirror ID used for the Cnt Ac-J 3DC multi-target pair to the remote command
device that is mapped to on the remote site.
• On the intermediate site:
- Assign mirror ID 00 to the remote command device that is mapped to on the primary
site.
- Assign the mirror ID used for the Cnt Ac-J delta resync pair to the remote command
device that is mapped to on the remote site.
• On the remote site:
- Assign the mirror ID used for the Cnt Ac-J 3DC multi-target configuration to the remote
command device that is mapped to on the primary site.
- Assign the mirror ID used for the Cnt Ac-J delta resync pair to the remote command
device that is mapped to on the intermediate site.
When selecting mirror IDs and remote command devices, observe the following:
• Though two mirrors can be assigned to each remote command device, it is not required.
Select Not set in the Mirror 2 list if you are assigning only one mirror ID.
• The same mirror ID cannot be specified from both Mirror ID lists.
• If you will not use a remote command device, select Not use in the second (lower) Remote
Command Device list.
5. Click Set
6. Review your settings in the Preview list in the Journal Operation window.
• To modify a setting, right click and select Modify.
• To cancel a setting, right click and select Cancel.
7. Check the list in the Journal Operation window. If the remote command device is assigned,
the LDEV number is displayed in the column of the remote command device.
8. Click Apply to apply the settings. If an error occurs, right click the item in the Preview list and
select Error Detail.
You can release a remote command device by selecting Journal > Release R-Cmd. Dev when you
right-click the mirror.
Releasing remote command device assigned to a mirror
This operation is performed on the mirror.
150 Configurations with Continuous Access Synchronous
- User Guide 1
- Contents 3
- 4 Contents 4
- Contents 5 5
- 6 Contents 6
- Contents 7 7
- P9500 storage systems 10
- Pair volumes 11
- Journal volumes 11
- Journals 11
- Reference Information 12
- Differential data management 13
- S-VOL write option 14
- Pair status 14
- System requirements 15
- Plan and design workflow 18
- Write-workload 19
- Sizing journal volumes 20
- Planning journals 20
- RAID group configuration 21
- Planning journal volumes 22
- Planning pair volumes 22
- Planning pair volumes 23 23
- Host failover software 25
- Planning for previous models 29
- System option modes 31
- 4 Planning the data path 34
- Calculating bandwidth 35
- 36 Planning the data path 36
- Sizing bandwidth 37 37
- 38 Planning the data path 38
- Packet loss 39
- Example configuration 40
- Port types 40
- Additional switches 41
- 42 Planning the data path 42
- 5 Configuration operations 44
- 46 Configuration operations 46
- 48 Configuration operations 48
- 50 Configuration operations 50
- 52 Configuration operations 52
- 6 Pair operations 54
- Creating the initial copy 55 55
- 56 Pair operations 56
- Creating the initial copy 57 57
- Splitting pairs 58
- Splitting mirrors 59
- Creating point-in-time copies 60
- Resynchronizing pairs 60
- Resynchronizing pairs 61 61
- Resynchronizing mirrors 62
- Deleting pairs 62
- Deleting pairs 63 63
- Deleting pairs in a mirror 64
- Deleting pairs in a mirror 65 65
- 7 Monitoring the system 66
- PSUS types and behaviors 69
- PSUE types and behaviors 71
- Selecting data to be graphed 74
- Manipulating graph, save data 76
- History of pair operations 79
- 8 Maintaining the system 80
- ◦ Initial 81
- ◦ Stopped 81
- ◦ Hold(Failure) 81
- 82 Maintaining the system 82
- 84 Maintaining the system 84
- Logical path maintenance 86
- Deleting logical paths 87
- When power stops unexpectedly 88
- 90 Maintaining the system 90
- General recovery procedures 91
- Cnt Ac-J secondary site: HOLD 100
- 10 Troubleshooting 103
- Troubleshooting logical paths 105
- B9E2, B9E4, D004 109
- B9E4, D004 112
- Miscellaneous troubleshooting 121
- 122 Troubleshooting 122
- Contacting HP 123
- Related information 123
- Typographic conventions 124
- Overview 126
- Failure recovery 127
- B Sharing volumes 133
- Cache Residency 135
- Data Retention 135
- Thin Provisioning 136
- LUN Expansion 137
- LUN Manager 137
- Fast Snap and Snapshot 137
- 138 Sharing volumes 138
- Virtual LUN 139
- Auto LUN 140
- 3DC cascade configuration 141
- Delta resync configuration 144
- ◦ Use the same mirror ID 146
- Problems that can occur 148
- ◦ Assign it to other mirrors 149
- ◦ Use it with RAID Manager 149
- 2 Data center configuration 151
- Pair status and data currency 156
- E GUI reference 157
- Journal Detail window 159
- Pair Operation window 165
- Paircreate dialog box 169
- Pairsplit-r dialog box 171
- Pairresync dialog box 172
- Pairsplit-S dialog box 173
- Change Pair Option dialog box 174
- Display Filter dialog box 174
- DKC Operation window 175
- Remote systems information 176
- Logical Path Information 177
- DKC Status dialog box 179
- Add DKC dialog box 180
- DKC Option dialog box 181
- Usage Monitor window 182
- History window 183
- Operations in History window 184
- History window notes 185
- Optional Operation window 186
- Glossary 188
- 190 Index 190
- 192 Index 192
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