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Removing a controller
Complete the following steps to remove a controller:
1. Using your thumbs, squeeze the two center tabs to unlock the controller levers;
then, using your fingers, pull the levers open 90° to release the controller from
the latch.
2. Slowly pull the levers to slide the controller from the chassis bay, as shown in
Figure 15.
3. Place the controller on a level surface.
4. Repeat step 1 through step 3 for the second controller.
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Storage subsystem
fan lever
GS000035a
Figure 14. Storage subsystem fan removal
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GS000036a
Figure 15. Controller removal
34 IBM TotalStorage DS4500 Fibre Channel Storage Subsystem: Installation, User’s, and Maintenance Guide