Hp StorageWorks 500 G2 Modular Smart Array User Manual download pdf (Page 53)

Hardware options installation 53

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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Hp StorageWorks 500 G2 Modular Smart Array User Manual Page 53