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11Contents
Adding a RAID-5 log using vxplex ...........................................................283
Removing a RAID-5 log .............................................................................284
Resizing a volume ..............................................................................................284
Resizing volumes using vxresize .............................................................285
Resizing volumes using vxassist .............................................................286
Resizing volumes using vxvol ..................................................................287
Setting tags on volumes ....................................................................................288
Changing the read policy for mirrored volumes ...........................................289
Removing a volume ...........................................................................................290
Moving volumes from a VM disk .....................................................................290
Enabling FastResync on a volume ...................................................................292
Checking whether FastResync is enabled on a volume ........................293
Disabling FastResync ................................................................................293
Performing online relayout ..............................................................................294
Permitted relayout transformations .......................................................295
Specifying a non-default layout ...............................................................298
Specifying a plex for relayout ..................................................................298
Tagging a relayout operation ...................................................................298
Viewing the status of a relayout ..............................................................299
Controlling the progress of a relayout ....................................................299
Converting between layered and non-layered volumes ...............................300
Chapter 9 Administering volume snapshots
Traditional third-mirror break-off snapshots ...............................................305
Full-sized instant snapshots ............................................................................307
Space-optimized instant snapshots ................................................................309
Emulation of third-mirror break-off snapshots ............................................310
Linked break-off snapshot volumes ................................................................311
Cascaded snapshots ...........................................................................................312
Creating a snapshot of a snapshot ..........................................................313
Creating multiple snapshots ............................................................................317
Restoring the original volume from a snapshot ...........................................317
Creating instant snapshots ..............................................................................319
Preparing to create instant and break-off snapshots ..........................321
Creating and managing space-optimized instant snapshots ..............324
Creating and managing full-sized instant snapshots ..........................327
Creating and managing third-mirror break-off snapshots .................329
Creating and managing linked break-off snapshot volumes ..............331
Creating multiple instant snapshots ......................................................333
Creating instant snapshots of volume sets ............................................334
Adding snapshot mirrors to a volume ....................................................336
Removing a snapshot mirror ...................................................................336
Removing a linked break-off snapshot volume .....................................337