On Tue, 25 Jul 2006, Kern Sibbald wrote:
>> I thought it was intended to scan slots and drives without requiring a
>> tape drive unload in 1.38.
>
> I was going to remove the requirement to unload the drive, but the users
> objected to that so it currently unloads the drive you specify.
OK.
>> Currently it does - which means that changing out tape sets cannot be done
>> unless at least one drive is idle/blocked - problematic in some
>> circumstances, particularly when a large backup is in progress and waiting
>> for this event means the magazine won't be changed out until next business
>> day, or someone has to wait outside office hours until the drive is freed
>> up.
>
> Yes, the current behavior presents certain problem.
It's decidely unfriendly for anything except the smallest changers.
> However, users were overwhelmly in favor of keeping the current behavior until
> they have some way within Bacula to unload drives. Such code does not
> currently exist.
Understandable, but MTX works.
How about a "Unload on update" stored keyword to control the behaviour?
>> 2: Are input/output slots being scanned correcttly?
>>
>> When running update slots, Bacula sees the correct number of slots, but
>> doesn't seem to recognise tapes in the mailslots (Input/output slots)
>
> I provide a default mtx-changer script, that knows nothing about "mailslots".
> If you want it to handle mailslots, you will probably need to adapt the
> script, and if you can do it in a way that does not break with changers that
> do not have mailslots, I'll be happy to incorporate it.
Here are the tricky parts (Only 45 slots reported today - one magazine is out)
Storage Changer /dev/sg16:2 Drives, 45 Slots ( 2 Import/Export )
Data Transfer Element 0:Full (Storage Element 1 Loaded):VolumeTag = ALOW0026
Data Transfer Element 1:Full (Storage Element 9 Loaded):VolumeTag = ALOW0039
...
Storage Element 41:Full :VolumeTag=AMED0042
Storage Element 42:Full :VolumeTag=AMED0041
Storage Element 43:Empty
Storage Element 44 IMPORT/EXPORT:Empty
Storage Element 45 IMPORT/EXPORT:Empty
The mailslots are designated IMPORT/EXPORT and it seems to be a simple
parsing issue.
I'm not sure if the report of which barcode is in which drive is being
used. Kern?
AB
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