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Dell NetWorker 19.9 Administration Guide

Removing volumes from the media database and online indexes

You may need to remove a volume from the media database and online indexes to eliminate physically damaged or unusable volumes from the NetWorker server.

When you remove the volume from the media database and online indexes, you can recover data from the volume by using the scanner program if the volume is undamaged.

If there is a clone of the volume, you cannot delete the volume entry from the media database. This is because the NetWorker server accesses the cloned volume rather than the original volume. As a result, removing volume entries from the media database is not an effective way to reduce index size, although it does reduce the size of the online indexes by deleting index entries that are associated with specific volumes.

The UNIX man page and the NetWorker Command Reference Guide provides detailed information about the nsrmm and mminfocommands.

  1. In the Administration window, click Devices.
  2. In the left pane, select Libraries.
    A list of libraries appears in the right pane.
  3. Select the library in the left pane or double-click the library in the right pane.
    The library drives and mounted volumes appear in the right pane, as well as the library slots and volumes.
  4. Right-click the volume, and select Unmount.
    You can only delete unmounted volumes.
  5. Right-click the volume, and select Delete.
    The Delete dialog box appears.
  6. Specify the locations from which to remove the volume:
    • Select File and Media Index Entries to remove the volume from both the media database and the online indexes.
    • Select File Index Entries Only to remove the volume only from the online indexes.
    Do not remove the indexes of save sets on bad volumes. In addition, do not remove both the client file index and media database entries simultaneously unless the volume is damaged or destroyed.
  7. Click OK.

After you remove a bad volume, perform an index consistency check by using the nsrck command in the command prompt. The UNIX man page and the NetWorker Command Reference Guide provides detailed information about the nsrck command.


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