Veritas Volume Manager 5.0.1 Administrator's Guide, HP-UX 11i v3, First Edition, November 2009

Figure 9-7
Dissociating a snapshot volume
vxsnap dis is applied to snapshot S2, which has no snapshots of its own
Original volume
V
Snapshot volume of V:
S1
vxsnap dis S2
S1 remains owned by V S2 is independent
Snapshot volume of S1:
S2
Original volume
V
Snapshot volume of V:
S1
Volume
S2
vxsnap dis is applied to snapshot S1, which has one snapshot S2
Original volume
V
Snapshot volume of V:
S1
vxsnap dis S1
S1 is independent S2 is adopted by V
Snapshot volume of S1:
S2
Original volume
V
Volume
S1
Snapshot volume of V:
S2
■ vxsnap split dissociates a snapshot and its dependent snapshots from its
parent volume. The snapshot that is to be split must have been fully
synchronized from its parent volume.
Figure 9-8 shows the operation of the vxsnap split command.
Figure 9-8
Splitting snapshots
Original volume
V
Snapshot volume of V:
S1
vxsnap split S1
S1 is independent
S2 continues to be a
snapshot of S1
Snapshot volume of S1:
S2
Original volume
V
Volume
S1
Snapshot volume of S1:
S2
Creating multiple snapshots
To make it easier to create snapshots of several volumes at the same time, both
the vxsnap make and vxassist snapshot commands accept more than one volume
name as their argument.
Administering volume snapshots
Creating multiple snapshots
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