HP 3PAR Operating System Software - Manual (Page 5)

11 Viewing Remote-Copy System Information...............................................95
How Remote Copy Tracks Synchronization Details..................................................................95
Tracking Synchronous Volume Groups..............................................................................95
Tracking Asynchronous Periodic Volume Groups................................................................96
Viewing Synchronization Task Information.............................................................................96
Viewing More Detail for a Synchronization Task................................................................97
Viewing Earlier Synchronization Tasks..............................................................................97
Task Management Commands for Remote-Copy Synchronizations............................................98
12 Remote-Copy Pairs and Targets.............................................................99
Remote-Copy Pairs.............................................................................................................99
Overview of Targets...........................................................................................................99
Target Definitions...............................................................................................................99
Remote-Copy Target System...............................................................................................100
System Roles and Direction of Data Flow........................................................................101
Changing the Direction of Data Flow.............................................................................101
System Roles and Bidirectional Configurations.................................................................101
13 Remote-Copy Links............................................................................102
Sending Links..................................................................................................................102
One Sending Link per Node per Target..........................................................................102
Links per Remote-Copy Pair...........................................................................................103
Links per Multiple Remote-Copy Pairs.............................................................................104
Receiving Links................................................................................................................104
14 Working with Virtual Volumes.............................................................105
Creating Remote-Copy Virtual Volumes...............................................................................105
Converting Standard Virtual Volumes..................................................................................106
Growing Virtual Volumes..................................................................................................107
Renaming Virtual Volumes.................................................................................................108
Virtual Volumes and CPGs................................................................................................108
Common Provisioning Groups.......................................................................................108
How CPGs Allocate Space for Snapshots..................................................................108
How CPGs Allocate Space for Virtual Volumes...........................................................108
Basic Information about CPGs..................................................................................109
Creating a CPG.....................................................................................................109
Virtual Volumes Used with Remote Copy.........................................................................109
Thinly-Provisioned Virtual Volumes.............................................................................109
Fully Provisioned Virtual Volumes..............................................................................109
15 Working with Volume Groups.............................................................110
Why Use Volume Groups..................................................................................................110
How Volume Groups Work...............................................................................................111
Creating Automatic Remote-Copy VV Sets...........................................................................111
Rules for Forming Volume Groups.......................................................................................112
How Volume Groups Are Named.......................................................................................112
Rules for Adding Snapshots to Volume Groups.....................................................................112
How Volume Groups Are Organized on the Remote-Copy Pair...............................................112
Natural Direction of Replication.........................................................................................113
Linking Virtual Volumes in Volume Groups...........................................................................113
Unidirectional Volume Groups.......................................................................................113
Bidirectional Volume Groups.........................................................................................113
Changing the Remote-Copy Mode for a Volume Group........................................................114
Manually Resynchronizing Volume Groups..........................................................................115
Changing Secondary Volume Groups to Primary.................................................................117
Changing One Volume Group......................................................................................117
Changing All Volume Groups on a System.....................................................................117
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