SANRAD V-Switch manual 148

	QA Testing			Snapshot1
S	A	N	S
N	A	S	H
A	M	M	O
P	U	N	T
	QA Testing			Snapshot1
B	A	N	S	S
N	A	S	H
A	M	M	O
P	U	N	T
	QA Testing			Snapshot1		Snapshot2
B	A	N	S	S
B	A	S	H	N	N
E	M	M	O	A	A	10256
B	U	N	T	P	P

Figure 79. 2nd Snapshot Created, Update to 1st Snapshot & 2nd

Snapshot and Write to Source

Figure 80, page 149, 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 snapshot –vol Snapshot3 –src QATesting –ch Snapshot3 -lt 80

148 SANRAD V-Switch User Manual