Hitachi G900 - Shared Memory

Item Operating Non-operating
2
Compliant with NEBS (Network Equipment-Building System) Oce Vibr
ation
standards (GR-63-CORE zone4).
3
Compliant with IEC (International Electrotechnical Commission) standards, IEC
61584-5/Ed1 and IEC60297-Part5 (scenic test at the maximum acceleration rate of
9.8m/s
2
(1.0G) equivalent to NEBS (Network Equipment-Building System) Level3).
Shared memory
The same capacity of shared memory must be used in controller 1 and controller 2.
Required shared memory capacity is determined by the storage application being used.
In the following table:
■
NO: You cannot use the functions and storage applications in the table.
■
YES: You can use the functions and storage applications in the table.
To congure the storage system to use the shared memory capacity in the table,
congure the shared memory setting in the maintenance utility. Storage applications
may require a license before they can be used.
Note: V
olume Migration is included in Hitachi Tiered Storage Manager.
Table 20 Reference table of shared memory capacity (VSP G900)
Shared
memor
y
function
Factors affecting shared memory (SM) capacity
1, 2
Shared
memory
capacity
Software
SI / VM
3
TI
4
TC / UR
5
DP
4
DT /
active
flash
Ddp-
Cmp
Base No No No Yes No No 11 GB
Extension1 Yes Yes Yes Yes Yes Yes 19 GB
Extension2 Yes Yes Yes Yes Yes Yes 27 GB
Extension3 Yes Yes Yes Yes Yes Yes 35 GB
Extension4 Yes Yes Yes Yes Yes Yes 51 GB
Notes:
Shared memory
Appendix B: System Specications
Hitachi Virtual Storage Platform G900 Hardware Reference Guide 81