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Figure 18. Securing the DS4200 Express to the rack cabinet
5. Continue with one of the following actions:
Replacing the components
Use the following procedures to replace the components in the DS4200 Express
after it is installed successfully in a rack cabinet.
Replacing a controller
Complete the following steps to replace the controller that you removed before the
installation:
Attention:
replacing the controller. Failure to do so may cause undesired events. The left and
right controllers are seated in the DS4200 Express chassis in opposite orientations.
If you cannot fully insert the controller into the controller bay, flip it 180° and reinsert
it.
1. Slide one controller into the empty slot in the storage subsystem. Be sure that
38
IBM System Storage DS4200 Express Storage Subsystem: Installation, User's and Maintenance Guide
v If you did remove the DS4200 Express CRUs before installation (as
described in "Removing the CRUs" on page 32), continue with "Replacing the
components."
v If you did not remove the DS4200 Express CRUs before installation, continue
with Chapter 3, "Cabling the storage subsystem," on page 43.
After you remove an controller, wait 70 seconds before reseating or
the lever is pulled straight out as you slide the controller in, as shown in
Figure 19 on page 39.
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