Hp XP P9500 Storage Manuel d'utilisateur Page 22
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3 Sharing Business Copy volumes
Business Copy volumes can be shared with other HP software product volumes. This chapter
discusses requirements, recommendations, and restrictions for sharing volumes.
Cache Residency
Volumes with Cache Residency settings can be used as Business Copy primary volumes and
secondary volumes.
NOTE: See the bullet on Quick Restore in (page 18) for important information about the operation
and volumes with Cache Residency settings.
Snapshot
Snapshot and Business Copy can share volumes. When pairs are shared, they can be assigned
to consistency groups, though not the same consistency group.
The following table shows how volumes can be shared.
Business Copy volumeSnapshot volume
Reserve volumeS-VOLP-VOL
NoYes
2
YesP-VOL
(all statuses except RCPY)
1
NoNoNoV-VOL
NoNoNoData pool
1. An SS P-VOL in RCPY status cannot be used by BC. See the following tables for more information.
2. The BC pair must be created before the SS pair.
Business Copy pair operations that you can perform are limited according to the Snapshot pair
status. The following sections show the Business Copy operations that can be performed.
Sharing the SS primary volume with the BC primary volume
The following table shows the pair operations allowed when the primary volume is shared with a
Snapshot primary volume.
Snapshot pair statusBusiness Copy operation
PSUERCPYCOPY
2
PSUS, PFUSPAIR, PFULCOPY
1
YesNoYesYesYesYesCreate a pair (paircreate)
YesNoYesYesYesYesCreate and split a pair (paircreate -split)
YesNoYesYesYesYesSplit a pair (pairsplit)
YesNoYesYesYesYesResynchronize a pair (pairresync)
YesNoYesYesYes
3
YesResynchronize a pair in reverse direction
(pairresync -restore)
NoNoNoNoNoNoQuick resync of a pair in reverse direction
4
(pairresync -restore)
YesYesYesYesYesYesSuspend a pair operation
22 Sharing Business Copy volumes
- Abstract 1
- Contents 3
- 4 Contents 4
- Contents 5 5
- 6 Contents 6
- 1 Business Copy overview 7
- Cascaded pairs 8
- Remote Web Console GUI 9
- Initial copy 10
- Update copy 10
- 2 Requirements and planning 12
- License capacity requirements 13
- Planning pair volumes 13
- Planning number of pairs 14
- 16 Requirements and planning 16
- Planning for performance 18
- 20 Requirements and planning 20
- ◦ BC: PAIR or COPY(PD)/COPY 21
- Cache Residency 22
- Snapshot 22
- Data Retention 23
- ◦ Initializing the DP pool 24
- LUN Manager 25
- Open Volume Management 25
- Resource Partition 25
- Continuous Access Synchronous 25
- Continuous Access Journal 26
- External Storage 31
- Auto LUN 31
- Reserving secondary volumes 32
- 4. Click Finish 34
- 5 Performing pair operations 35
- 36 Performing pair operations 36
- Pair creation 37 37
- Pair creation 39 39
- 12. Click Next 40
- Pair split 42
- Pair resynchronization 44
- Pair resynchronization 45 45
- ◦ For L2 pairs 46
- Pair deletion 47
- Monitoring the system 49
- Monitoring synchronous rates 53
- Monitoring consistency groups 54
- Monitoring reserve volumes 54
- Maintaining the system 55
- 7 Troubleshooting 57
- 8 Support and other resources 66
- Typographic conventions 67
- (RWC) and RAID Manager 69
- B Business Copy GUI reference 71
- Summary tab 72
- Pairs tab 73
- Reserve Volumes tab 75
- Consistency Group tab 75
- View Pair Properties window 76
- Pair Properties tab 77
- Pairs table 77
- View Histories window 79
- Histories table 80
- Create Pair wizard 82
- Select Primary Volumes window 83
- Selected LDEVs table 84
- Available LDEVs table 86
- Confirm window 87
- Split Pairs wizard 88
- Selected Pairs table 89
- Resync Pairs wizard 91
- Suspend Pairs window 94
- Delete Pairs window 95
- Edit Mirror Units window 95
- Add Reserve Volumes Wizard 96
- Remove Reserve volume window 97
- Configuration workflow 100
- Reserving S-VOLs 100
- Reserving a consistency group 101
- Setting performance options 102
- Creating pairs 103
- Pair operations workflow 103
- Check pair status 103
- Suspending pair creation 108
- Resynchronizing pairs 109
- Deleting pairs 111
- 7. Click OK 113
- Pair Operation window 122
- Volume List 123
- Preview List 124
- Pair Operation command menu 125
- Display Filter dialog box 125
- History window 126
- Table 24 Reference Codes 127
- Option window 128
- Glossary 129
- 130 Glossary 130
- 132 Index 132
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