Bacula-users

Re: [Bacula-users] Relationship between autochanger slot number and Pool Max Vol?

2016-02-15 19:09:45
Subject: Re: [Bacula-users] Relationship between autochanger slot number and Pool Max Vol?
From: "Brady, Mike" <mike.brady AT devnull.net DOT nz>
To: bacula-users AT lists.sourceforge DOT net
Date: Tue, 16 Feb 2016 13:07:13 +1300
Kern,

I had already done your suggested work around of increasing the Maximum 
Volumes parameter, changing the slot for the volume and then changing 
Maximum Volumes back to the original value. Everything seems to be 
working fine.

Bug logged http://bugs.bacula.org/view.php?id=2208

Thanks

Mike


On 2016-02-15 19:23, Kern Sibbald wrote:
> Hello,
> 
> Well, this *is* a bug. I would appreciate it if you would submit a bug
> report.  The interesting thing the bug has been there since 2006.  If
> you are a programmer look somewhere around line 295 in
> src/dird/ua_update.c.
> 
> If you are not a programmer, please set the maximum volumes in your
> pool to 0 or a very big number, do your update slots, and then reset
> your maximum volumes.  I haven't tried it, but it should work.  These
> days most 10 slot autochangers have barcodes, and if you have them, it
> would be simpler to simply put the volumes in the right slots then do:
> 
>   update slots barcodes
> 
> otherwise provided the Volumes are labeled you can do an
> 
>   update slots
> 
> but it will have to mount and physically read every tape.
> 
> Best regards,
> Kern
> 
> On 02/15/2016 09:33 AM, Brady, Mike wrote:
>> I am setting a up a new Bacula 7.4 system and have run into an issue
>> that I do not understand.
>> 
>> I have a 10 slot autochanger that I have been using since the 5.0.x 
>> days
>> through to 7.0.x.  I cannot remember when I last did a clean install
>> though.  Everything has been upgraded over time, so I am not sure when
>> this became an issue.  It could have been an issue all along and I 
>> have
>> just forgotten.
>> 
>> In the 10 slot auto changer I have 4 daily volumes (from the
>> P-Tape-Daily pool), 4 weekly volumes (from the P-Tape-Weekly pool) and 
>> 2
>> monthly volumes (from the P-Tape-Monthly pool).
>> 
>> On the existing 7.0.5 system the volumes are configured in the 
>> catalogue
>> as being in the autochanger slots as follows:
>> P-Daily-Tape-001 1
>> P-Daily-Tape-002 2
>> P-Daily-Tape-002 3
>> P-Daily-Tape-002 4
>> P-Weekly-Tape-001 5
>> P-Weekly-Tape-002 6
>> P-Weekly-Tape-003 7
>> P-Weekly-Tape-004 8
>> P-Monthly-Tape-001 9
>> P-Monthly-Tape-001 10
>> 
>> Each Pool has Maximum Volumes set as follows:
>> P-Tape-Daily 4
>> P-Tape-Weekly 4
>> P-Tape-Monthly 2
>> 
>> The same configuration is intended for the new 7.4 system.
>> 
>> To that end, on the new system I have labelled all the tapes and am 
>> now
>> trying to set the autochanger slot for each volume with the update
>> command in bconsole.  The Daily-Pool volumes all updated successfully,
>> but when I go to do the P-Tape-Weekly volumes I get
>> 
>> *update volume=P-Tape-Weekly-001 slot=5
>> Invalid slot, it must be between 0 and Maximum Volumes=4
>> 
>> I do not understand what the Pool Maximum Volume setting has to do 
>> with
>> the autochanger slot number. I have confirmed that it is the
>> P-Tape-Weekly Pool Maximum Volumes causing the issue by increasing it 
>> to
>> 8.  I can now change the slots for the P-Tape-Weekly volumes to 5-8 as
>> required.  Once the slots have been changed I can change the Maximum
>> Volumes back to 4 and everything works as it should.  At least I think
>> it does.  Still doing some testing.
>> 
>> Same thing for P-Tape-Monthly except Maximum Volumes needs to be 10.
>> 
>> Is this a bug or have I been something wrong all this time?
>> 
>> Regards
>> 
>> Mike
>> 
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