Hitachi CBL, Hardware Service Manual

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Upgrading a Hitachi Unified Storage 130 system
15–3
Hitachi Unified Storage Hardware Service Guide
Reviewing prerequisites
Before upgrading a CBSL or CBSS to a CBL, observe the following
guidelines:
• The upgrade operation is performed with the storage system offline.
Because host access to the storage system must stop before upgrading
the storage system, determine a planned shutdown for the storage
system, such as at night or over a weekend or holiday.
• The storage system must be operational, with no failures or failed
parts.
• The most recent version of Hitachi Storage Navigator Modular 2 must
be used when performing the upgrade.
• If extra-cost options other than Dynamic Provisioning and Data
Retention Utility are used with the storage system, uninstall (or “lock”)
the option before starting the upgrade operation (see Locking extra-
cost options on page 15-9 ). The license key for an option cannot be
used after the Hitachi Unified Storage system is upgraded.
NOTE: Since Dynamic Provisioning and Data Retention Utility can be
upgraded in the unlocked status, they do not need to be locked. If
TrueCopy Remote Replication/TrueCopy Extended Distance was used with
the storage system, stop the operation, resynchronize the pair, and lock
the option after recording the option setting. If you will use the SNMP Agent
Support Function after the upgrade, you might need to review the SNMP
environment information file.