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

Upgrading the Subsystem
180 HP StorageWorks HSG60 and HSG80 Array Controller and Array Controller Software
Maintenance and Service Guide
b. Press and hold the controller Reset button while ejecting the old program
card.
c. After ejecting the program card, release the Reset button.
d. Press and hold the Reset button while inserting the new program card.
e. After the card is fully inserted, release the Reset button.
Note: A controller restart can take as long as 60 seconds, indicated by the temporary
cycling of port LEDs and a flashing Reset button. Disregard messages pertaining to
misconfigured controllers or failover status.
f. Install the program card ESD cover on controller A.
27. Connect a PC or terminal to the maintenance port of controller A.
28. After controller A restarts, restore the CACHE_FLUSH_TIMER to the values
recorded in step 9 and step 10 on page 174 by entering the following
commands:
HSGA> SET THIS_CONTROLLER CACHE_FLUSH_TIMER=n
HSGA> SET OTHER_CONTROLLER CACHE_FLUSH_TIMER=n
29. Verify that the CACHE_FLUSH_TIMER values have been updated:
HSGA> SHOW THIS_CONTROLLER
HSGA> SHOW OTHER_CONTROLLER
30. For each unit, restore the preferred path setting as recorded in step 13 on
page 175 by entering the following command:
HSGA> SET unit-name PREFERRED_PATH=THIS_CONTROLLER
or
HSGA> SET unit-name PREFERRED_PATH=OTHER_CONTROLLER
31. After updating cache settings for each unit, verify the change:
HSGA> SHOW unit-name
32. For each unit, restore the cache settings as recorded in step 11 on page 175 by
entering the following command:
HSGA> SET unit-name READ_CACHE READAHEAD_CACHE WRITEBACK_CACHE
33. After updating the cache setting for each unit, verify the change:
HSGA> SHOW unit-name