To make it easier to create snapshots of several volumes at the same time, both the
snapshot commands accept more than one volume name as their argument.
For traditional snapshots, you can create snapshots of all the volumes in a single disk group by specifying the option
allvols to the
By default, each replica volume is named
-volume, where number is a unique serial number, and volume is the name of the volume for which a snapshot is being taken. This default can be overridden by using the option
vxassist(1M) manual page.
vxsnap(1M) manual page.
It is also possible to take several snapshots of the same volume. A new FastResync change map is produced for each snapshot taken to minimize the resynchronization time for each snapshot.