Hitachi 88-06-0x - Page 84

Table 24 Usable capacity of pools/virtual volumes
Shared memory function VSP G900
Base 4.4 PiB
Extension1 8.05 PiB
Extension2 12.5 PiB
Extension3 16.6 PiB
Note: When decreasing shared memory function, delete all DP, DT, active ash, TI, and
dedupe and compression pools.
The following table lists the corresponding amount of shared memory function to shared
memory capacity:
Table 25 Shared memory function and shared memory capacity
Shared Memory
Function VSP G900
Base 108.5 GiB
Extension1 124.5 GiB
Extension2 140.5 GiB
Extension3 156.5 GiB
Table 26 Minimum cache memory capacity required for shared memory function
Shared Memory
Function VSP G900
Base 256 GiB
Extension1 256 GiB
Extension2 256 GiB
Extension3 256 GiB
Shared memory
Appendix B: System specications
Hitachi Virtual Storage Platform G900 Hardware Reference Guide 84