Operating System Software User Manual

27 Using Remote Copy Commands..........................................................261
About the Remote-Copy Commands...................................................................................261
Issuing Remote-Copy Commands.......................................................................................262
28 HP 3PAR Quorum Witness Deployment................................................263
Starting the vSphere Client................................................................................................263
Configuring HP 3PAR Quorum Witness...............................................................................263
Accessing the HP 3PAR Quorum Witness.......................................................................263
Configuring a Static IP Address.....................................................................................264
Quorum-Witness CLI Commands........................................................................................265
Creating a Quorum Witness.........................................................................................265
Starting a Quorum Witness..........................................................................................265
Stopping a Quorum Witness........................................................................................266
Removing a Quorum Witness.......................................................................................266
Auto Failover Policies...................................................................................................267
Quorum Troubleshooting...................................................................................................267
Quorum Status Qualifier..............................................................................................267
Logs..........................................................................................................................269
29 Remote-Copy Snapshots....................................................................270
Overview of Snapshots.....................................................................................................270
Why Use Snapshots....................................................................................................270
Volume Space Considerations.......................................................................................270
Snapshots in Synchronous Mode........................................................................................271
Snapshots and Initial Synchronization Failure..................................................................271
Snapshots and Resynchronization..................................................................................271
Snapshots and Resynchronization Failure in Synchronous Mode.........................................271
Snapshots Taken before or during Disaster Recovery........................................................272
If the Backup System Fails........................................................................................272
If the Primary System Fails........................................................................................272
Snapshots in Asynchronous Periodic Mode..........................................................................272
Snapshots Taken during Initial Synchronization................................................................272
Snapshots Taken during Resynchronization.....................................................................272
Snapshots and Resynchronization Failure in Asynchronous Periodic Mode...........................273
Snapshots Taken before or during Disaster Recovery........................................................273
30 Support and Other Resources.............................................................274
Contacting HP.................................................................................................................274
HP 3PAR documentation...................................................................................................274
Typographic conventions...................................................................................................277
HP 3PAR branding information..........................................................................................277
31 Documentation feedback....................................................................278
Glossary..................................................................................................279
Index.......................................................................................................281
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