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HSG80 Array Controller V8.7 Maintenance and Service Guide
5–7
Upgrading the Subsystem
Figure 5–2: Controller reset button and first three LEDs
13. Verify that all units failed over to Controller A by using the following command to
show the status of each unit:
HSGA> SHOW UNITS FULL
The following text is only a portion of the resulting display—an arrow points to
the pertinent status indication:
14. Upgrade the software on Controller B by performing the following steps:
IMPORTANT: Once step 14 is successfully 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.
1
Reset button
2
First three LEDs
State:
ONLINE to this controller
Not reserved
NOPREFERRED_PATH
1
2
3
4
5
6
CXO6991A
2
1