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HSG80 Array Controller V8.7 Maintenance and Service Guide
5–19
Upgrading the Subsystem
11. Upgrade the software on Controller B by performing the following steps:
IMPORTANT: Once step 13 is performed, the previous ACS version cannot be restored to
this subsystem.
a.
Remove the program card ESD cover from Controller B.
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 button. Controller B restarts.
NOTE: A controller restart can take as long as 60 seconds, indicated by the temporary
cycling of the port LEDs and a F
LASHING
reset button. Disregard messages pertaining
to misconfigured controllers or failover status. When controller B has restarted, it
automatically shuts down Controller A.
f.
Install the program card ESD cover on Controller B.
Controller A shuts down.
12. After Controller B restarts, verify that Controller B completed initialization:
a.
Connect the PC or terminal to the maintenance port of Controller B.
b.
Make sure that the CLI prompt for Controller B appears.
IMPORTANT: Wait for the CLI prompt before proceeding.
c.
Verify controller A is shutdown, the reset button and the first three LEDs turn
on (See Figure 5–2). Proceed only after the reset button stops flashing and
remains on.
13. Upgrade the software on controller A by performing the following steps:
a.
Remove the program card ESD cover from Controller A.
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 button.
State:
ONLINE to this controller
Not reserved