Hp XP P9500 Storage Manuel d'utilisateur Page 24
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Noté. / 5. Basé sur avis des utilisateurs
However, a volume with the S-VOL Disable attribute cannot be used as a Business Copy secondary
volume.
• The only Business Copy operation you can perform on the Business Copy secondary volume
that has the S-VOL Disable attribute is the Delete operation.
• All operations can be performed on Business Copy primary volume that have the S-VOL Disable
attribute.
Thin Provisioning and Smart Tiers
Thin Provisioning (THP) and Smart Tiers (Smart) volumes can be used with Business Copy primary
volumes and secondary volumes. THP and Smart volumes can also be used with BC reserved
volumes. The following restrictions apply:
• THP and Smart volumes should be shared with both the BC primary and secondary volumes,
rather than one or the other.
• If an THP or Smart volume is shared with only the primary volume, or only the secondary
volume, the Quick Restore operation cannot be performed. To perform the Quick Restore,
both primary and secondary volumes must be shared with THP or Smart volumes.
Also, sharing an THP or Smart volume with only the secondary volume is not recommended
for the Quick Restore because the secondary volume consumes the same amount of the pool
capacity as the primary volume.
• You cannot perform BC pair operations while doing the following:
Increasing THP volume capacity◦
◦ Initializing the DP pool
• The maximum size of an THP or Smart volume that can be used as a Business Copy primary
volume, secondary volume, and reserve volume is 4 TB (4398046511104 bytes).
CAUTION: When you want to create a 4TB primary, secondary, or reserve volume, do not
use the terabyte specification; instead use the block specification only. TB, GB, or MB
specifications cannot be used for Business Copy volumes.
The block-size equivalent to 4 TB is 8589934592 blocks.
External Storage Access Manager
The Business Copy primary volume can be shared with the External Storage Access Manager
(ESAM) secondary volume. However, other ESAM volumes cannot be shared.
• The ESAM primary volume cannot be shared with Business Copy.
• The ESAM quorum disk cannot be shared with Business Copy.
Business Copy pair operations are limited according to the ESAM pair status. The following table
shows the pair operations allowed.
ESAM pair statusBusiness Copy operation
SSWSPSUSPSUEPAIRCOPY
YesYesYesYesYesCreate a pair (paircreate)
YesYesYesYesYesCreate and split a pair (paircreate -split)
YesYesYesYesYesSplit a pair (pairsplit)
YesYesYesYesYesResynchronize a pair (pairresync)
24 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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