Hp XP P9500 Storage User Manual Page 3
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Contents
1 Overview of Fast Snap................................................................................6
Fast Snap................................................................................................................................6
Components of Fast Snap..........................................................................................................7
Components of volumes........................................................................................................8
Consistency groups..............................................................................................................8
Snapshot groups..................................................................................................................8
Fast Snap...........................................................................................................................8
Thin Provisioning..................................................................................................................8
RAID Manager....................................................................................................................9
How Fast Snap works................................................................................................................9
Fast Snap Pools...................................................................................................................9
V-VOLs.............................................................................................................................10
Releasing V-VOL definitions............................................................................................10
Fast Snap pairs..................................................................................................................10
Storing snapshot data for a group workflow..........................................................................10
Snapshot data storage methods...........................................................................................12
Differences in methods for storing snapshots depending on volumes.....................................13
CAW storage method workflow......................................................................................13
COW storage method workflow......................................................................................13
Restoring Fast Snap pairs....................................................................................................13
FS pair status and deleting snapshot data.............................................................................14
Deleting Fast Snap pairs.....................................................................................................14
Pair status..............................................................................................................................14
Copy threshold option.............................................................................................................16
Interoperability with other software applications..........................................................................17
Data Retention...................................................................................................................18
Auto LUN..........................................................................................................................19
Business Copy...................................................................................................................19
Continuous Access Synchronous and Continuous Access Journal..............................................21
Using Fast Snap in a 3DC multi-target configuration..........................................................23
Thin Provisioning................................................................................................................24
Resource Partition...............................................................................................................25
About acronyms and abbreviations for software applications........................................................25
2 Planning and design.................................................................................26
System requirements................................................................................................................26
Requirements for Fast Snap.................................................................................................26
Installing Fast Snap workflow..........................................................................................26
The workflow for removing Fast Snap...............................................................................26
Requirements for licensed capacity.......................................................................................26
Fast Snap shared memory requirements................................................................................27
Removing shared memory...................................................................................................27
Fast Snap volume requirements............................................................................................27
Requirements for consistency groups.....................................................................................29
Requirements for snapshot groups........................................................................................30
Requirements for Fast Snap tasks..............................................................................................30
Calculating the number of virtual volumes that the storage system can create.............................30
Calculating the number of Fast Snap pairs............................................................................30
Calculating the maximum number of pairs based on differential tables.................................31
Calculating the number of Fast Snap pairs based on pair tables..........................................31
Calculating the number of Fast Snap pairs based on the snapshot estimated manageable
capacity......................................................................................................................32
Contents 3
- 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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