Filter
Top Products
b. Using both handles, pull out on the controller to remove it.
GS000036
3. Unpack the new controller. Using the proper handling precautions, remove the
new controller from the packing material.
Check the shipping invoice and the controller to make sure that it has the same
memory size as the controller that you just removed.
4. Install the new controller, as shown in Figure 98.
a. Using your thumbs, squeeze the two center tabs and pull both controller
handles outward with your fingers.
b. Using the handles, slide the controller into the slot until the back edge of
both handles hooks onto the frame.
c. Close both handles and snap into place.
5. Check the controller LEDs, as shown in Figure 99.
Power
Power supply
Controller fan
Controller
Fast write cache
GS000066
v If the green power LED is lit and the amber fault LED is off, go to Step 8 on
page 147.
v If the green power LED remains off or the fault LED is on after a few
seconds, make sure that the controller CRU is locked into place. If the fault
LED remains on, go to Step 6.
Figure 98. Removing and replacing a failed controller CRU
Figure
99. LEDs on the DS4500 Storage Subsystem bezel
146 IBM TotalStorage DS4500 Fibre Channel Storage Subsystem: Installation, User’s, and Maintenance Guide