HP StorageWorks HSG80 Array Controller V8.7 Maintenance And Service Manual page 131

The following text is only a portion of the resulting display—an arrow points to the
pertinent status indication:
Cache:
IMPORTANT: Repeat step 8 on both controllers (THIS_CONTROLLER and
OTHER_CONTROLLER) until no unwritten data remains in either cache module memory.
9. Shut down both controllers using the following commands:
HSGA> SHUTDOWN OTHER_CONTROLLER
HSGA> SHUTDOWN THIS_CONTROLLER
NOTE: After the controllers shut down, the reset buttons and the first three LEDs turn O
Figure 5–2).
Proceed only after the reset buttons stop F
10. Upgrade the software on both controllers:
a. Remove the program card ESD cover from Controller A.
b. Press and hold the reset button while ejecting the old program card.
c. After the program card is ejected, release the reset button.
d. Repeat step a through step c for Controller B.
IMPORTANT: In step e and step f, the simultaneous release of the reset buttons is
critical to make sure that both controllers are restarted and upgraded simultaneously.
e. Simultaneously press and hold the reset button on both controllers, and insert
a new program card into each controller.
f. Simultaneously release the reset buttons. Both controllers restart.
NOTE: A controller restart can take as long as 60 seconds, indicated by the temporary
cycling of the port LEDs and a F
g. Install a program card ESD cover on each controller.
11. After the controllers restart, restore the CACHE_FLUSH_TIMER to the value
recorded in step 6 using the following commands:
HSGB> SET THIS_CONTROLLER CACHE_FLUSH_TIMER=n
HSGB> SET OTHER_CONTROLLER CACHE_FLUSH_TIMER=n
HSG80 Array Controller V8.7 Maintenance and Service Guide
256 megabyte write cache, version 0022
Cache is GOOD
No unflushed data in cache
CACHE_FLUSH_TIMER=1 SECOND
and remain O
LASHING
reset button.
LASHING
Upgrading the Subsystem
.
N
(see
N
5–11