Shutdown Upgrade Procedure For 8.7P - HP StorageWorks HSG80 Array Controller V8.7 Maintenance And Service Manual

Upgrading the Subsystem
NOTE: A controller restart can take as long as 60 seconds, indicated by the temporary
cycling of the port LEDs and a F
to misconfigured controllers or failover status.
f. Install the program card ESD cover on Controller A. Controller A shuts down.
14. After Controller A restarts, restore the CACHE_FLUSH_TIMER to the value
recorded in step 6 using the following commands:
HSGA> SET THIS_CONTROLLER CACHE_FLUSH_TIMER=n
HSGA> SET OTHER_CONTROLLER CACHE_FLUSH_TIMER=n
15. For each unit, restore the WRITEBACK_CACHE settings as recorded in step 7
using the following command:
HSGA> SET unit-name WRITEBACK_CACHE
16. Restore all snapshot units removed in step 3.
17. If the CCL was disabled in step 3, enable it using the following command:
HSGA> SET THIS_CONTROLLER COMMAND_CONSOLE_LUN
18. Disconnect the PC or terminal from the maintenance port of Controller A.
After upgrading the target site controllers, return to step 15 and proceed to complete
the initiator site controllers upgrade.

Shutdown Upgrade Procedure for 8.7P

Specific controllers are referred to as Controller A or Controller B during the
procedure. For clarity, the CLI prompts illustrated in this procedure use HSGA> and
HSGB> to indicate which controller (A or B) is used.
IMPORTANT: The following steps must be followed carefully for the upgrade procedure to work
properly.
This procedure will take approximately 5 to 10 minutes. The units involved will be unavailable
during the upgrade procedure.
Begin the shutdown upgrade using the following procedure on the initiator site
controllers:
1. From a host console, stop all host activity to the controllers and dismount the
logical units in the subsystem.
2. Connect a PC or terminal to the maintenance port of Controller A, at the initiator
site.
5–20
reset button. Disregard messages pertaining
LASHING
HSG80 Array Controller V8.7 Maintenance and Service Guide