HP StorageWorks 3000/5000 Enterprise Virtual Array updating product software guide (VCS 4.100) (5697-7055, November 2007)

Figure 3 C

ontroller Events (Initialized system) page

e. If Critical events have occurred, perform 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

represen

tative to ﬁxtheproblem.

3. Verify that no changes to the storage system conﬁguration are in progress. 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.

NOTE:

• The leveling process does n ot impact the upgrade. If leveling is in progress, the upgrade

can be p erformed. The leveling will be suspended during the upgrade a nd resumed

when th

e upgrade is complete.

• Make sure you suspend any processes or applications that may change the storage

system conﬁguration. For example, backups, creating or deleting snapshots, etc. Stop

any SSSU scripts that may b e scheduled to run automatically.

•Proac

tive event notiﬁcation can be used to alert you if a critical event occurs during the

48 ho

urs before the upgrade.

Backup all storage system data

Estimated time to c omplete: Varies

When to perform: As close as possible to the upgrade

Before beginning the upgrade, it is recommended that you perform a full veriﬁed backup of all storage

system data. Although not required, it is always good practice to back up your data before performing

major o perations such as software upgrades. The backup should be scheduled as close to the upgrade

processaspossible.

If you would like more information on establishing a n d implementing g ood backup p rocedures for the

EVA storage system, contact your HP sales representative.

Pre-upgrade tasks