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HSG80 Array Controller V8.7 Maintenance and Service Guide
5–15
Upgrading the Subsystem
10. Shut down Controller B using the following command:
HSGA> SHUTDOWN OTHER_CONTROLLER
IMPORTANT: Disregard any messages pertaining to misconfigured controllers or failover
status.
NOTE: After Controller B shuts down, the reset button and the first three LEDs turn O
N
(see Figure 5–3).
Proceed only after the reset button stops F
LASHING
and remains O
N
.
Figure 5–3: Controller reset button and first three LEDs
11. 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:
12. 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.
1
Reset button
2
First three LEDs
State:
ONLINE to this controller
Not reserved
1
2
3
4
5
6
CXO6991A
2
1