HP StorageWorks HSG80 Array Controller V8.7 Maintenance And Service Manual page 72

Replacement Procedures for BA370 Enclosure Elements
The controller connected to the PC or terminal becomes "this controller"; the
controller being installed becomes the "other controller."
7. Start FRUTIL with the following command:
RUN FRUTIL
8. Enter N(o) to the question about replacing the cache battery.
9. Enter option 2 to install a controller or cache module.
10. Enter option 3 to install the "other controller" and cache module.
11. Enter Y(es) to confirm the intent to install the "other controller" and cache
module.
CAUTION: Wait for FRUTIL to quiesce the device ports—indicated by an "All device
ports quiesced" message. Failure to allow the ports to quiesce might result in data
loss. Quiescing might take several minutes.
The ECB must be disabled—the ECB status light is O
Y-cable to the cache module. Failure to disable the ECB might result in cache module
damage.
The ECB Y-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.
IMPORTANT: A countdown timer allows a total of 4 minutes to install both the controller
and cache module. After 4 minutes, "this controller" exits FRUTIL and resumes operations.
If this happens, return to step 7 and proceed.
12. Disable the ECB by pressing the battery disable switch until the status light stops
F
LASHING
13. Connect the ECB Y-cable to the replacement cache module.
CAUTION: Carefully align the cache module and controller in the appropriate guide
rails. Misalignment might damage the backplane.
14. Insert the replacement cache module into the vacant cache bay and engage the
retaining levers.
15. Install the controller:
a. Make sure that the program card is seated in the replacement controller.
3–18
—approximately 5 seconds.
HSG80 Array Controller V8.7 Maintenance and Service Guide
—before connecting the ECB
FF