HP StorageWorks HSG60 and HSG80 Array Controller and Array Controller Software Maintenance and Service Guide (EK-G80MS-SA. C01, March 2005)

Upgrading the Subsystem
202 HP StorageWorks HSG60 and HSG80 Array Controller and Array Controller Software
Maintenance and Service Guide
31. Disconnect the PC or terminal from the maintenance port of controller A.
Upgrade on the target site controllers is complete.
Part 4: Initiator site upgrade (final steps)
Continue the interrupted upgrade of the initiator site controllers (see step 16 on
page 193) as follows:
1. After controller A restarts, restore the cache flush timer values to the values
recorded in step 4 and step 5 (starting on page 190) by issuing the following
commands:
HSGA> SET THIS_CONTROLLER CACHE_FLUSH_TIMER=n
HSGA> SET OTHER_CONTROLLER CACHE_FLUSH_TIMER=n
2. Verify that the CACHE_FLUSH_TIMER values have been updated:
HSGA> SHOW THIS_CONTROLLER
HSGA> SHOW OTHER_CONTROLLER
3. For each unit, restore the writeback cache setting as recorded in step 6 on
page 190 by entering the following command:
HSGA> SET unit-name WRITEBACK_CACHE
4. After updating the cache setting for each unit, verify the change:
HSGA> SHOW unit-name
5. Restore all Snapshot units removed in step 3 on page 189.
6. If the CCL was disabled in step 2 on page 189, re-enable it by entering the
following command:
HSGA> SET THIS_CONTROLLER COMMAND_CONSOLE_LUN
7. After enabling the CCL, verify the change:
HSGA> SHOW THIS_CONTROLLER
8. Disconnect the PC or terminal from the maintenance port of controller A.
The upgrade of the initiator site controllers is complete. Refer to the
“After-upgrade maintenance checks” section that starts on page 213 for additional
after-upgrade steps if you are upgrading from ACS V8.7-2 or later.