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73Understanding Veritas Volume Manager
FastResync
Note: The vxsnap reattach, dis and split operations are not supported for
instant space-optimized snapshots.
See “Administering volume snapshots” on page 303, and the
vxsnap(1M) and
vxassist(1M) manual pages for more information.
Figure 1-34 Mirrored volume and snapshot volume after completion of a
snapshot operation
Effect of growing a volume on the FastResync map
It is possible to grow the replica volume, or the original volume, and still use
FastResync. According to the DCO volume layout, growing the volume has
Mirrored volume
Data plex
DCO volume
Data plex
Data change object
DCO
DCO
log plex
log plex
Snap object
Snapshot volume
Data plex
DCO volume
Data change object
DCO
log plex
Snap object