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Chapter 2 Data Replication
9
Figure 2-1 Example of Volume Classification
Volume A1/A2/B1 : IV
Volume A3 : MV (PV) of the pair A3/A4
Volume A4 : RV (dRV) of the pair A3/A4, and MV of the pair A4/B2
Volume B2 : RV (rRV) of the pair A4/B2
Disk Array A Disk Array B
MV
(PV)
A3
RV/MV
(dRV)
A4
RV
(rRV)
B2
Pair Setting
FC
IV
A1
IV
A2
IV
B1