Hitachi G1500 - Page 52

Table 11 Cache capacities per controller
# of controller
chassis
configuration
Capacity of cache
memory module
Maximum cache capacity configurable
based on the number of cache path
control adapter pairs included:
1 cache path
control adapter pair
(included with
controller)
2 cache path
control adapter
pairs (one included
with controller and
an additional
feature added)
VSP G1000, VSP
G1500
, and
VSP
F1500
including a
Primary contr
oller
chassis only
16 GB 256 GB 512 GB
32 GB 512 GB 1024 GB
VSP G1000, VSP
G1500, and VSP
F1500 including
both a Primary and
Secondary
controller chassis
16 GB 512 GB 1024 GB
32 GB 1024 GB 2048 GB
Notes:
1. One DIMM minimum, eight DIMMs maximum per board. Two blades/boards per
CPA. One or two CPAs installed per controller.
2. HDS minimum cache per system is 64 GB whether congured with one or two
controllers.
Item Description Item Description
2 and 3 Main (required) cache path
contr
ol adapters
1 and 4 Optional cache path control adapters
Cache memory
Chapter 2: Storage system hardware overview
Hitachi Virtual Storage Platform G1000, G1500, and VSP F1500 Hardware Guide 52