HP XP P9500 Storage - Manual (Page 3)

Contents
1 Business Copy overview..............................................................................7
How Business Copy works.........................................................................................................7
Hardware and software components...........................................................................................7
Volume pairs (primary volumes and secondary volumes)...........................................................8
Cascaded pairs..............................................................................................................8
Remote Web Console GUI....................................................................................................9
RAID Manager and consistency groups................................................................................10
Initial and update copy operations............................................................................................10
Initial copy........................................................................................................................10
Update copy.....................................................................................................................10
2 Requirements and planning.......................................................................12
System requirements................................................................................................................12
License capacity requirements..................................................................................................13
Planning pair volumes.............................................................................................................13
Planning number of pairs....................................................................................................13
Calculating the number of differential tables and pair tables...............................................14
Calculating maximum number of pairs.............................................................................15
Organizing volumes into P-VOLs and S-VOLs.........................................................................16
Planning for performance........................................................................................................17
Consistency group pair-split at a specific time.............................................................................18
The consistency group pair-split for shared volumes................................................................19
Requirements, restrictions, and recommendations for shared volumes...................................20
Consistency group pair-split and supported pair statuses....................................................20
3 Sharing Business Copy volumes..................................................................23
Cache Residency....................................................................................................................23
Fast Snap and Snapshot .........................................................................................................23
Data Retention.......................................................................................................................24
Access attributes and Business Copy operations.....................................................................24
Business Copy pair statuses and access attribute settings.........................................................25
Thin Provisioning and Smart Tiers..............................................................................................26
External Storage Access Manager............................................................................................26
LUN Manager........................................................................................................................27
Open Volume Management.....................................................................................................27
Resource Partition...................................................................................................................27
Continuous Access Synchronous...............................................................................................28
Continuous Access Journal.......................................................................................................28
Sharing volumes in 3-Cnt Ac-J data center configurations.........................................................28
Sharing volumes in a 3-Cnt Ac-J DC multi-target configuration.............................................29
Sharing volumes in 3-Cnt Ac-J DC delta resync (multi-target) configuration.............................30
Sharing volumes in a 3-Cnt Ac-J DC cascade configuration.................................................31
Sharing volumes in a 3-Cnt Ac-J DC delta resync (cascade) configuration.............................32
Sharing volumes in 3-Cnt Ac-J/Cnt Ac-S data center configurations...........................................33
Sharing volumes in 3-Cnt Ac-J/Cnt Ac-S DC multi-target and delta resync configurations.........34
Sharing volumes in a 3-Cnt Ac-S/Cnt Ac-J DC cascade configuration...................................34
External Storage.....................................................................................................................35
Auto LUN..............................................................................................................................35
4 Performing configuration operations............................................................37
Configuration workflow ..........................................................................................................37
Setting up primary and secondary volumes................................................................................37
Reserving secondary volumes...................................................................................................37
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