HP XP P9000 Business Copy User Guide (AV400-96483, August 2012)

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..................................................................................9
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....................................................................................................14
Calculating the number of differential tables and pair tables...............................................15
Calculating maximum number of pairs ............................................................................15
Organizing volumes into primary volumes and secondary volumes...........................................17
Planning for performance .......................................................................................................18
consistency group pair-split at a specific time.............................................................................19
consistency group pair-split for shared volumes......................................................................19
Requirements, restrictions, and recommendations...............................................................21
3 Sharing Business Copy volumes..................................................................22
Cache Residency....................................................................................................................22
Snapshot ..............................................................................................................................22
Data Retention.......................................................................................................................23
Thin Provisioning and Smart Tiers..............................................................................................24
External Storage Access Manager............................................................................................24
LUN Manager........................................................................................................................25
Open Volume Management ....................................................................................................25
Resource Partition...................................................................................................................25
Continuous Access Synchronous...............................................................................................25
Continuous Access Journal ......................................................................................................26
Sharing BC volumes in 3-Cnt Ac-J data center configurations...................................................26
Sharing volumes in a 3-Cnt Ac-J DC multi-target configuration.............................................26
Sharing volumes in 3-Cnt Ac-J DC delta resync (multi-target) configuration.............................27
Sharing volumes in a 3-Cnt Ac-J DC cascade configuration.................................................28
Sharing volumes in a 3-Cnt Ac-J DC delta resync (cascade) configuration.............................29
Using BC in Cnt Ac-S/Cnt Ac-J 3DC cascade configurations.........................................................30
External Storage ....................................................................................................................31
Auto LUN .............................................................................................................................31
4 Performing configuration operations............................................................32
Configuration workflow ..........................................................................................................32
Setting up primary and secondary volumes................................................................................32
Reserving secondary volumes ..................................................................................................32
System options that affect performance......................................................................................33
Setting performance options................................................................................................33
5 Performing pair operations........................................................................35
Pair operations workflow.........................................................................................................35
Contents 3