Hp XP RAID Manager Software Bedienungsanleitung Seite 12
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RequirementItem
Supported: RAID1, RAID1+0, RAID5, and RAID6RAID level
Restriction: You cannot add a different RAID level to the data pool.
Supported: P-VOL and V-VOLLUSE
Not supported: pool-VOL
The data pool must contain pool-VOLs belonging to the same cache logical
partition.
CLPR
P-VOL: 16,384Number of P-VOLs and V-VOLs
V-VOL: 16,384
For more information about calculating the number of SS pairs, see “Calculating
the number of Snapshot pairs” (page 14).
128Maximum number of data pools
(THP, Smart Tiers (Smart), and Thin Provisioning Z (THP Z) pools) Creating pools
for THP, Smart, and THP Z reduces the number of usable pools for SS.
8 GB to 4 TBPool-VOL capacity
1,024Maximum number of pool-VOLs in a
data pool
Restriction: You cannot register volumes that are already registered in a pool
as pool-VOLs to another pool.
Allowed, even if snapshots are using the pool.Expansion of data pool-VOL capacity
Allowed. You must first use the pool to delete the pairs.Deletion of data pool
For more information about deleting pairs, see “Deleting pairs” (page 43).
Allowed.Use of external volumes in pool
For more information about external volumes, see “External volumes” (page 22).
SAS, SATA, and SSDData drive type
(Internal and external volumes) You can use pool-VOLs with different drive types
in the same pool.
For optimum performance, use volumes with the same drive types.
(For HP-UX host servers only)Operating system restrictions
Restriction: Create the SS pair before running the command for recognizing
the device or V-VOL on the host server.
Important! Do not use a volume already recognized by the host server as a
V-VOL. If you do, an error can occur and the HP-UX host server can terminate.
For more information about recovering terminated HP-UX host servers, see
“Recovering a terminated HP-UX host server” (page 55).
The consistency group number. You define this number during the paircreate
command.
Consistency groups (CG)
Note: If you do not specify a number, an unused number is assigned.
Values: 128-255 (80 to FF).
Maximum number of SS pairs per CG: 8,192
Maximum number of CGs per storage system: 256 including BC/SS and
Business Copy Z (BC Z) CGs.
Restrictions:
• Do not combine pairs with the same P-VOL in the same CG.
• Do not combine BC/SS, BC Z, and SS pairs in the same CG.
For more information about consistency groups, see the HP XP P9000 RAID
Manager User Guide.
12 Business Copy/Snapshot planning and design
- Abstract 1
- Contents 3
- 4 Contents 4
- Contents 5 5
- 6 Contents 6
- Snapshot software 7
- Data pools 8
- Components 9
- Licenses and capacity 9
- Consistency groups 9
- Pair status 10
- Planning pair volumes 13
- Sizing the data pool workflow 14
- 104,768 tablesExtension 1 15
- 209,600 tablesExtension 2 15
- T ÷ D = M 16
- 576,00 ÷ 4 = 14,400 16
- 751,619,276 bytesSS 17
- External volumes 22
- Configuration workflow 23
- Creating data pools 23
- Creating V-VOLs 24
- Creating V-VOLs 25 25
- Thin Provisioning 29
- Resource Partition 29
- Business Copy/Snapshot 29
- Auto LUN V2 33
- Fast Snap 34
- 5 Pair operations 35
- Configuring pairs 36
- Creating pairs 37
- 38 Pair operations 38
- Pair creation workflow 39 39
- Pair split 40
- Related topics 41
- Prerequisite information 41
- Pair deletion 42
- Monitoring the storage system 44
- Monitoring pair properties 45
- Monitoring synchronous rates 45
- Monitoring consistency groups 46
- Monitoring pool information 46
- Managing data pools 47
- Changing pool volume names 48
- Managing virtual volumes 49
- Changing virtual volume names 50
- Deleting virtual volumes 50
- General troubleshooting 52
- 8 Support and other resources 64
- Typographic conventions 65
- B Snapshot GUI reference 69
- Pools tab 70
- Selected pool volume window 72
- Summary table 73
- Pool Volumes tab 75
- Virtual Volumes tab 76
- Primary Volumes tab 78
- Create Pools wizard 79
- Setting items 80
- Selected pools table 82
- Expand Pool wizard 84
- Edit Pools wizard 86
- Edit Pools window 87
- Selected Pools table 89
- Delete Pools wizard 90
- Restore Pools window 92
- Complete SIMs window 93
- Select Pool Volumes window 95
- Available Pool Volumes table 96
- Selected Pool Volumes table 97
- Pool Property window 98
- Create Pairs wizard 99
- Select Primary Volumes window 100
- Available LDEVs table 101
- Selected LDEVs table 102
- Select Pool window 103
- Selected Pairs table 105
- Edit Mirror Units window 106
- Confirm window 106
- Pair operations workflow 108
- Checking pair status 108
- Creating a pair 108
- Splitting pairs 109
- Resynchronizing pairs 110
- Restoring pairs 110
- Deleting pairs 110
- Deleting pairs 111 111
- (secondary window) 112
- Pair status definitions 113
- Maintaining the system 117
- Pair Operation window 118
- Volume list 119
- Preview list 120
- Command menu 121
- History window 122
- Snapshot window 123
- Glossary 126
- 128 Index 128
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