8x00 Enterprise Virtual Array Updating Product Software Guide XCS 6.110 (5697-6782, June 2007)

Figure 9 Controller Events (Initialized sys tem) window

d. Check the Severity ﬁeld to determine if any unexpected C ritical events

have occurred.

If Critical events have occurre d, p erform the steps outlined in the corrective action codes to

correct the problems. In some cases, it may be necessary to call your HP-authorized service

repr esentative to ﬁxtheproblem.

3. Verify that no changes to the storage system conﬁgura tion are in p rogress. For example, you should

not be in the process of creating a virtual disk. Conﬁguration changes should not be made within 48

hours before beginning the upgrade. Proactive event notiﬁcation can be used to alert you if a critical

event occurs d u ring the 48 hours before the upgrade.

NOTE:

• The leveling process does not impact the upgrade. If leveling is in progress, the upgrade

can be performed. The leveling will be suspended during the upgrade and resumed

when the upgrade is complete.

• Ensure you suspend any processes or applications that may change the storage system

conﬁguration, such as backups and snapshot creation or deletion. Stop any HP Storage

System Scripting Utilit y scripts that are scheduled to run automatically.

Preparing an HP Continuous Access EVA environment for

upgrading

Estimated time to com plete: Varies depending on replication con ﬁguration

When to perform: As close as possible to the upgrade

When upgrading an EVA in an HP Continuous Access EVA environment, the following requirements must

be met. See HP StorageWorks Continuous Access EVA administrator guide for more information.

Pre-upgrade tasks