Hp XP P9500 Storage User Manual Page 29
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RequirementItem
• External Storage Access Manager quorum disks
• RAID-1 RAID level volumes that have a SATA-E hard disk drive type.
Note:
• Use only external pool-VOLs whose cache mode is the same, either enabled or disabled, in
the data pool.
• Use only volumes that are in different resource group in the data pool.
• Use only internal volumes and external volumes with an enabled cache mode in the data pool.
OPEN-VEmulation type
All RAID levels are supported.RAID level
You cannot register RAID-1 RAID level volumes that have a SATA-E hard disk drive type in pools.
You can use serial-attached SCSI (SAS), SATA, and SSD.Hard disk drive type
If you use internal and external volumes, you can use pool-VOLs with different drive types in the
same pool. You cannot register RAID-1 RAID level volumes that have a SATA-E hard disk drive
type in pools.
For best performance, use pool-VOLs with the same drive type in the same pool.
A data pool cannot contain pool-VOLs belonging to different cache logical partitions. You cannot
change CLPRs in the parity group belonging to the pool-VOL.
CLPR
You can contain up to 1,024 pool-VOLs in a pool. You can create up to 128 pools for a storage
system.
Pool-VOL limits
If a volume is already contained in a pool, you cannot contain the pool-VOL in other pools. The
number of available pools for FS decreases according to the number of THP pools (including
Smart pools), THP Z pools, and SS pools.
8 GB to 4 TBVolume capacity
If you define unneeded paths to a volume, you cannot specify the volume as a pool-VOL.Path definition
* For more information about how to change processor blade IDs, see the HP XP P9000 Provisioning for Open Systems
User Guide.
Requirements for consistency groups
The following table explains requirements for consistency groups.
DescriptionItem
Value: 0 to 255.Consistency group number
Note: If you do not assign a number, an unassigned number is automatically
assigned.
You can view the consistency group number.
For more information about viewing the consistency group number, see “Viewing
the number of consistency groups” (page 53).
You can create up to 256 consistency groups in a storage system, which
includes BC/SS, BC Z, SS, and FS consistency groups.
(For FS only) You can also use consistency group numbers 128 to 255 (80 to
FF).
You can define up to 8,192 pairs in a consistency group. You cannot mix
BC/SS, BC Z, SS, and FS pairs in a consistency group. An FS consistency
group can only contain FS pairs.
Pair limit
System requirements 29
- Abstract 1
- DescriptionDateEdition 2
- Contents 3
- 4 Contents 4
- Contents 5 5
- 1 Overview of Fast Snap 6
- Components of Fast Snap 7
- Components of volumes 8
- Consistency groups 8
- Snapshot groups 8
- Fast Snap 8
- How Fast Snap works 9
- Fast Snap pairs 10
- How Fast Snap works 11 11
- Snapshot data storage methods 12
- CAW storage method workflow 13
- COW storage method workflow 13
- Pair status 14
- Pair status 15 15
- Copy threshold option 16
- Data Retention 18
- Auto LUN 19
- Business Copy 19
- BC P-VOL 20
- Thin Provisioning 24
- Resource Partition 25
- 2 Planning and design 26
- Removing shared memory 27
- Fast Snap volume requirements 27
- Notes on consistency groups 30
- 104,768Extension 1 31
- 209,600Extension 2 31
- 32 Planning and design 32
- Calculating pool capacity 33
- 34 Planning and design 34
- Configuration tasks workflow 35
- Pool volumes with system area 35
- Creating Fast Snap data pools 36
- Creating V-VOLs 37
- Related topics 39
- Editing the V-VOL SSID 39
- Changing the V-VOL settings 40
- 4 Pair tasks 41
- Configuring a complex pair 43
- Splitting pairs 44
- 46 Pair tasks 46
- Restoring pairs 48
- Deleting snapshot data 49
- Deleting FS pairs 49
- 5 Monitoring and maintenance 51
- Monitoring synchronous rates 52
- Monitoring consistency groups 53
- Monitoring licensed capacity 57
- Managing pools and V-VOLs 57
- Increasing pool capacity 58
- Changing pool threshold 59
- Changing pool names 59
- Recovering pools 60
- Deleting pools 61
- Changing V-VOL names 61
- Maintenance requirements 62
- Maintenance requirements 63 63
- 6 Troubleshooting 64
- Completing SIMs 67
- 68 Troubleshooting 68
- 7 Support and other resources 69
- Typographic conventions 70
- Typographic conventions 71 71
- Support 74
- B9AD, B9AE) 74
- B Fast Snap GUI reference 80
- Local Replications window 81
- Summary tab 82
- Pairs tab 83
- Reserve Volumes tab 85
- Consistency Groups tab 86
- View Pair Properties window 87
- Pairs table 88
- View Histories window 90
- Create Pair wizard 93
- Create Pair window 94
- Select Primary Volumes window 95
- Selected LDEVs table 96
- Select Pool window 97
- Available Pools table 98
- Available LDEVs table 99
- Confirm window 101
- Split Pairs wizard 102
- Resync Pairs wizard 105
- Resync pairs window 106
- Delete Pairs window 109
- Selected Pairs table 110
- BC/FS/SS System Options table 111
- System Type: Mainframe 111
- Glossary 114
- 116 index 116
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