Hitachi AMS2100 User Manual page 92

2-40
Hitachi AMS 2000 Family Copy-on-Write SnapShot User Guide
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Table 2-22: P-VOL to Data Pool Capacity Ratio on
AMS 2500 when Cache Memory is 16 GB per CTL
Ratio of All P-VOL Capacity
to All Data Pool Capacity
1:0.5
1:1
1:3
•
Figure 2-12: Relation of Data Volume, Data Pool Volume
Capacities to Cache Size — per Controller
Planning and design
All P-VOL Capacity
to All Data Pool Capacity
(TB)
34.2 : 17.1
20.0 : 20.0
7.5 : 22.5