HP StorageWorks HSG80 Array Controller V8.7 Maintenance And Service Manual page 85

• In dual-redundant controller configurations, shut down the "other controller"
first, then shut down "this controller" with the following commands:
SHUTDOWN OTHER_CONTROLLER
SHUTDOWN THIS_CONTROLLER
NOTE: After the controllers shut down, the reset buttons and the first three LEDs turn
O (see Figure 3–1). This might take several minutes to happen, depending on the
N
amount of data that needs to be flushed from the cache modules.
Proceed only after the reset buttons stop F
4. Remove power to the subsystem by turning O
BA370 enclosures and disable the ECBs.
CAUTION: The ECB cable has a 12-volt and a 5-volt pin. Improper handling or
misalignment when connecting or disconnecting might cause these pins to contact
ground, resulting in cache module damage.
5. Replace the ECB:
• For a single ECB:
a. Remove the old ECB and insert the replacement ECB into the same
b. Connect the replacement ECB to the open end of the ECB Y-cable
• For dual ECBs:
a. Connect the replacement ECB to the open end of the ECB Y-cable
b. Place the replacement dual ECB in a temporary location.
6. Restore power to the subsystem.
The controllers automatically restart.
NOTE: A controller restart can take as long as 60 seconds, indicated by the temporary
cycling of the port LEDs and a F
IMPORTANT: If a controller did not restart, press the controller reset button.
7. Set the controller's time.
HSG80 Array Controller V8.7 Maintenance and Service Guide
location.
attached to the old ECB and then quickly disconnect the Y-cable from the
old ECB.
attached to the old ECB and then quickly disconnect the Y-cable from the
old ECB.
Replacement Procedures for BA370 Enclosure Elements
LASHING
both AC input boxes for all
FF
reset button.
LASHING
and remain O .
N
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