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316 Administering volume snapshots
Cascaded snapshots
Figure 9-7 Dissociating a snapshot volume
■ vxsnap split dissociates a snapshot and its dependent snapshots from its
parent volume. The snapshot volume that is to be split must have been fully
synchronized from its parent volume. This operation is illustrated in
Figure 9-8.
vxsnap dis S1
Original
volume
V
Snapshot
volume of V:
S1
Snapshot
volume of S1:
S2
Original
volume
V
Snapshot
volume of V:
S2
Volume
S1
vxsnap dis S2
Original
volume
V
Snapshot
volume of V:
S1
Snapshot
volume of S1:
S2
Original
volume
V
Snapshot
volume of V:
S1
Volume
S2
S2 is adopted by VS1 is independent
S2 is independent
vxsnap dis is applied to snapshot S2, which has no snapshots of its own
vxsnap dis is applied to snapshot S1, which has one snapshot S2
S1 remains owned by V