Number of
control
unit
Determining factor of SM capacity
iSC
SI DC
SM
capacit
y
Software
1
64KL
DEV
exten
sion
HDP/
HDT/
AF
extension
SI/
VM/
NDM
HDP/
TI/
FC TPF
TC/
UR/
GAD
HDT/
AF 1 2 3
1-64 (16k
LDEV)
Apply Appl
y
— Appl
y
Appl
y
— App
ly
Appl
y
App
ly
— — 72 GB
1-255 (64k
LDEV)
Apply Appl
y
Appl
y
Appl
y
— Apply App
ly
Appl
y
App
ly
App
ly
Appl
y
72 GB
1-255 (64k
LDEV)
Apply Appl
y
Appl
y
— Appl
y
Apply App
ly
Appl
y
App
ly
App
ly
Appl
y
72 GB
1-255 (64k
LDEV)
Apply Appl
y
Appl
y
Appl
y
Appl
y
Apply App
ly
Appl
y
App
ly
App
ly
Appl
y
80 GB
1. Softwar
e includes the follo
wing applications:
■ DC: Deduplication and Compr
ession
■ FC: Compatible
FlashCopy
®
V2
■ GAD: global-active device
■ HDP: Hitachi Dynamic Provisioning
■ HDT: Hitachi Dynamic Tiering
■ NDM: nondisruptive migration
■ SI: ShadowImage
®
■ TC: TrueCopy
■ TI: Thin ImageVolume Migration V2
■ SM: Shared memory
■ TPF: Transaction Processing Facility
■ UR: Universal Replicator
■ VM: Volume Migration V2
2. The required cache memory capacity is determined by the storage capacity and the number
of Processor Blades.
Shared memory
Chapter 2: Storage system hardware overview
Hitachi Virtual Storage Platform G1000, G1500, and VSP F1500 Hardware Guide 57