SANRAD I3.1.1205 - Manual (Page 164)

8-12 SANRAD V-Switch CLI User Manual
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Snapshot1
QA Testing
M M A O
A S N H
A N S S
U N P T
QA Testing
M M E O
A S B H
A N B S
U N B T
Snapshot1
S
Snapshot1
A
N
S
P
Snapshot2
A
N
P
QA Testing
M M A O
A S N H
A N B S
U N P T
Figure 8-8. 2
nd
Snapshot Created, Update to 1
st
Snapshot & 2
nd
Snapshot
and Write to Source
Figure 8-9 shows the creation of a third snapshot and a third write operation to
the source volume. The original data, S, H, O and T, from sectors 4, 8, 12 and 16
are first copied to the Snapshot 1, 2 and 3 and then the new data, D, S, A and S,
are written to the source volume.
volume create –activate snapshot –vol Snapshot3 –src
QATesting –ch Snapshot3 -lt 80