HP StorageWorks Data Replication Manager HSG80 ACS Version 8.7P Configuration Guide (AA-RPHZF-TE, March 2004)

Upgrading to ACS Version 8.7P Software
235Data Replication Manager HSG80 ACS Version 8.7P Configuration Guide
Note: Repeat this step on both controllers (THIS_CONTROLLER and OTHER_CONTROLLER) until
no unflushed data remains in either cache module memory.
T 8. Shut down both controllers:
HSGA> SHUTDOWN OTHER_CONTROLLER
HSGA> SHUTDOWN THIS_CONTROLLER
Note: After the controllers shut down, the Reset buttons and the first three LEDs on both
controllers turn on (see Figure 38 on page 226). This could take up to 15 minutes, depending
on the amount of data that needs to be flushed from the cache modules. Proceed only after
both Reset buttons stop flashing and remain on.
T 9. Upgrade the software on both controllers:
Note: After step 9 is performed, the previous ACS version cannot be restored to this subsystem
without performing the downgrade process, which should be performed only by HP authorized
service personnel.
a. Remove the program card ESD cover from Controller A.
b. While pressing and holding the controller Reset button, eject the old program card.
c. After ejecting the program card, release the Reset button.
d. Repeat step a through step c for Controller B.
Note: In step e and step f, the simultaneous release of the Reset buttons is essential to ensure that
both controllers are restarted and upgraded simultaneously.
e. Simultaneously press and hold the Reset buttons 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 and is indicated by the
temporary cycling of the port LEDs and a flashing Reset button. Disregard messages about
misconfigured controllers or failover status.
Cache
256 megabyte write cache, version 0022
Cache is GOOD
No unflushed data in cache
CACHE_FLUSH_TIMER=1 SECOND