Technical data

Chapter 2: Upgrading Trays in the Storage Array 9
2
Upgrading Trays in the Storage Array
Keep these guidelines in mind before you upgrade trays in your storage array:
 Always back up your data to an external source before starting an upgrade
procedure.
 Keep in mind that requirements for SFPs and cabling might change when you
upgrade a host adapter. Refer to the Hardware Cabling Guide for a complete
description of various cabling options.
You can choose from these upgrade options:
 Upgrade cache memory
 Upgrade Host Adapters
ATTENTION Possible loss of data access – Before you start any upgrade procedure,
back up your data to an external source.