On Fri, Feb 27, 2009 at 1:14 PM, SZÉKELYI Szabolcs <cc AT mail.3d DOT hu> wrote:
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> Hi,
>
> when Bacula (console) asks to specify a volume, it does so by requiring
> the user to enter the label or the ID of the volume. This causes
> problems if your tapes are labeled with numbers only, since from the
> user's point of view it's ambiguous if it will interpret the entered
> value as an ID or as a label. This actually happened when we wanted to
> purge one of our volumes (irrelevant output truncated):
>
>> *purge jobs volume
>> Defined Pools:
>> 7: bacula-super-full-tape-Pool
>> Select the Pool (1-9): 7
>> +---------+------------+-----------+
>> | MediaId | VolumeName | ...
>> +---------+------------+-----------+
>> | 48 | 000040 | Full |
>> | 49 | 000041 | Append |
>> +---------+------------+-----------+
>> Enter MediaId or Volume name: 000041
>> 1 File on Volume "000008" purged from catalog.
>> There are no more Jobs associated with Volume "000008". Marking it purged.
>
> We wanted to purge the volume with label "000041" (MediaId 49), and the
> volume with label "000008" (MediaId 41) got purged.
>
> There are two surprising things in this story:
>
> First, looking back, it's unclear if Bacula interprets the input as a
> MediaId or a Label. A solution could be not using labels of numbers
> only, however, this should be mentioned in the documentation (I couldn't
> find it). A cleaner solution would be dropping the ambiguous question
> and asking just the Label or just the MediaId, not in an "as it gets"
> manner.
>
> Second, in the above example, Bacula purged a tape that was not part of
> the selected pool. I understand why this happened (the list of volumes
> is just informational), but as a naive user, I found it strange for the
> first time. IMHO this should be checked before purging the tape.
>
> - --
I do not have time to look but there was a discussion on the list
about this a few weeks ago.
John
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