Dell PowerVault TL4000 Betriebsanleitung PDF herunterladen (Seite 57)

8.5 Removing and replacing the library controller

To remove a library controller:

Library controller is installed at the back of the library. Before you remove the library controller:

1. Turn off power to the library (power button on the front panel).

2. Remove the power cord cable.

3. Loosen the two captive thumbscrews on the library controller (see Figure 57).

Figure 76 Position of the two thumbscrews

4. Pull straight back on the library controller to remove it from the library (see Figure 58).

Figure 87 Library controller removal

Replacing the library controller:

1. Unpack the new library controller from its package.

2. Slowly insert the new library controller into the bay, and align the connectors on the library

while supporting the controller assembly.

3. Tighten the captive thumbscrews until the library controller is secure.

4. Replace the power cord cable.

5. Switch on power to the library (power button on the front panel).

The library controller maintains a backup of all Critical and Configuration Data separate from the library

controller, so that when replacing the library controller, the Critical and Configuration data can be

maintained and will not have to be entered manually again. When replacing a library controller, or a

chassis FRU, there will be a mismatch between the data on the library controller and the backup data.

When such a mismatch is detected, the user will be requested to determine which set of data is

correct. If the library controller has been replaced, then select “Identity data mismatch” to copy the

backup data onto the library controller. If the chassis FRU or Robotics FRU has been replaced

(maintaining the original library controller), then select “Replace backup data”

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Dell PowerVault TL4000 Betriebsanleitung Seite 57