HP 4400 Software Manual page 41

Table 6 Pre-upgrade task checklist
Task Task complete
"Checking the controller software version" (page 9)
Time required: About 5 minutes
When to perform: Anytime before the upgrade
"Checking management software versions" (page 9)
Time required: 10–15 minutes
When to perform: Anytime before the upgrade
"Checking the array hardware" (page 11)
Time required: 15–20 minutes
When to perform: 1–2 weeks before the upgrade, and then daily until the upgrade is complete.
Provide enough time to order and replace any failed components.
"Checking and upgrading your SAN infrastructure" (page 12)
Time required: After collecting and evaluating your configuration data on over several weeks,
you can determine when is an appropriate time to do the upgrade.
When to perform: Anytime before the upgrade
"Evaluating your configuration" (page 20)
Time required: Varies
When to perform: As close as possible to the upgrade
"Selecting a time to perform an online upgrade" (page 23)
Time required: Varies
When to perform: As close as possible to the upgrade
"Managing host I/O timeouts for an online upgrade" (page 27)
Time required: Varies
When to perform: As close as possible to the upgrade
"Managing application I/O timeouts for an online upgrade" (page 31)
Time required: Varies
When to perform: As close as possible to the upgrade
"Managing external devices" (page 31)
Time required: Varies
When to perform: As close as possible to the upgrade
"Managing an SVSP configuration for an online upgrade" (page 31)
Time required: Varies
When to perform: As close as possible to the upgrade
"Backing up all array data" (page 31)
Time required: Varies
When to perform: As close as possible to the upgrade
"Upgrading HP P6000 Command View" (page 31)
Time required: 15–20 minutes
When to perform: Anytime before the upgrade
"Upgrading browsers and JRE" (page 35)
Time required: 10–20 minutes
When to perform: Anytime before the upgrade
Task checklist 41