Msa500 G2 Controller Option; Controller Installation Requirements - HP StorageWorks MSA500 G2 User Manual

4. Install the 4-Port Shared Storage Module.

MSA500 G2 Controller option

The HP StorageWorks Modular Smart Array 500 Generation 2 storage system
ships with one HP StorageWorks Modular Smart Array 500 Generation 2
controller. To provide redundancy and maximize uptime, install a second
MSA500 G2 controller.

Controller installation requirements

Observe the following guidelines:
•
If a controller has more than one cache DIMM, be sure that both DIMMs
have the same memory capacity.
•
Always upgrade the cache in both controllers in a storage system with
redundant controllers.
•
In a storage system with a redundant controller, be sure that both controllers
have the same number of DIMMs and that all DIMMs have the same
memory capacity.
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