docs: extended truncate command drive specification docs

bareos · Jun 9, 2021 · 6b03a20 · 6b03a20
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commit 6b03a20
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diff --git a/docs/manuals/source/TasksAndConcepts/BareosConsole.rst b/docs/manuals/source/TasksAndConcepts/BareosConsole.rst
@@ -1398,10 +1398,12 @@ truncate
                [volume=<volume>] [drive=<drivenum>] [yes]
 
    When using a disk volume (and other volume types also) the volume file still resides on the |sd|. If you want to reclaim disk space, you can use the :bcommand:`truncate volstatus=Purged` command. When used on a volume, it rewrites the header and by this frees the rest of the disk space.
+   By default the first drive of an autochanger is used. By specifying `drive=<drivenum>`, a different drive can be selected.
 
    If the volume you want to get rid of has not the **Purged** status, you first have to use the :bcommand:`prune volume` or even the :bcommand:`purge volume` command to free the volume from all remaining jobs.
 
    This command is available since Bareos :sinceVersion:`16.2.5: truncate command`.
+   The *drive=<drivenum>* selection was added in  :sinceVersion:`21.0.0: truncate command drive selection`.
 
 umount
    :index:`\ <single: Console; Command; umount>`\  Alias for :bcommand:`unmount`.