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8-16 SANRAD V-Switch CLI User Manual
volume snapshot rollback abort
This command aborts snapshot rollback.
volume snapshot rollback abort
SWITCH PARAMETER DEFINITION STATUS EXAMPLE
-snap
SNAPSHOT SNAPSHOT SOURCE
VOLUME
MANDATORY
Mirro2
Breaking a Mirror
If you are working in
a V-Switch cluster,
the child must be
removed on both V-
Switches.
You can remove one of multiple children from a mirror or break a two-
child mirrored volume to enable one or both of the children to be used
independently. The removed child is a fully functional volume and can be
exposed to any host. In particular, the removed child can be used for
testing, online server-free backup or online data migration.
If you break a mirrored volume that is attached to a LUN, the remaining
volume retains the attached LUN. Write operations to the source volume can
continue while the mirror is being broken or a child removed but the removed
child’s data cannot be guaranteed to mirror the source volume. Therefore, all
write operations should be suspended appropriately before breaking a mirror.
A mirror cannot be broken or a child removed if one of the volumes needs to be
synchronized or it is in the process of synchronizing or copying.
In Figure 8-10 a child is removed from a mirrored volume with three children.
If the mirrored volume is exposed, it remains functional as a mirrored volume
and all read-write operations are executed.