correspond to the value just read. If the Volume is not in the catalog, then
nothing will be done. This command is useful for synchronizing Bacula with the
current magazine in case you have changed magazines or in case you have moved
-cassettes from one slot to another.
+cassettes from one slot to another. If the autochanger is empty, nothing will
+be done.
The {\bf Cleaning Prefix} statement can be used in the Pool resource to define
a Volume name prefix, which if it matches that of the Volume (barcode) will