Bacula-users

Re: [Bacula-users] tape label

2008-04-23 06:15:15
Subject: Re: [Bacula-users] tape label
From: Troy Daniels <troy.daniels AT itouch.com DOT au>
To: Colapinto Giovanni <giovanni.colapinto AT assioma DOT net>
Date: Wed, 23 Apr 2008 18:16:01 +0800
Hi,

Well you are apparently trying to have more than one job write to the tape.

Do a 'status dir' in bconsole and check how many lines appear in the 
'scheduled jobs' table.

A job isn't "one nights worth of backups", it's well... a single job as 
defined in Bacula. Each server backed up counts as a separate job. It's 
also possible to use several jobs to back up one server.

Also if you are backing up your server AND doing a catalog backup 
afterwards (as is recommended good practice) that's 2 jobs.

If you want to keep writing backups to the tape until it's full I'd 
remove the Maximum Volume Jobs line altogether. As long as your schedule 
is setup properly it should be used for all subsequent Tuesday backup 
attempts until it fills up or reaches 80Gb whichever comes first. The 
problem with this approach is if that tape dies, you lose every Tuesday 
backup since it started.

The 40/80Gb ratio provided by vendors is only a guideline by the way, 
you may be able to fit much more or much less on a tape depending on 
what sort of data you are backing up - with this in mind, if you truly 
want to fill your tapes you should remove the 'Maximum Volume Bytes' 
line as well - Bacula handles full tapes in a graceful manner and you 
might be surprised at just how much you can fit on one tape!

One final note, if you change any of your pool settings you will need to 
do an 'update volume' command in bconsole and reload all volumes from 
the pool settings otherwise the changes wont be included in your 
existing tapes.

Cheers,


Troy.

Colapinto Giovanni wrote:
> Thanks Troy.
> 
> I'm looking at the job logs and, like you have said, I found the following 
> line:
> 
> Apr 22:28 srvmibackup-5004-dir JobId 1268: Max Volume jobs exceeded. Marking 
> Volume "Tuesday" as Used.
> 
> Her my config:
> JobDefs{
>     Name = "TapeBackup"
>     Type = Backup
>     Schedule = "WeeklyTape"
>     Pool = Weekly
>     Storage = Srvmifs-5009-tape
>     Messages = BackupMsg
>     Max Wait Time = 12h
>     Enabled = yes
>     Priority = 12
> }
> 
> Pool {
>     Name = TuesdayPool
>     Pool Type = Backup
>     Recycle = yes
>     AutoPrune = yes
>     Volume Retention = 5 days
>     Maximum Volume Jobs = 1
>     Maximum Volume Bytes = 80GB
>     Label Format = Tuesday-
> }
> 
> So I think the error is in "Maximum Volume Jobs = 1", but why?
> 
> Thanks
> 
> -----Original Message-----
> From: Troy Daniels [mailto:troy.daniels AT itouch.com DOT au] 
> Sent: mercoledì 23 aprile 2008 11.36
> To: Colapinto Giovanni
> Cc: ceron; bacula-users AT lists.sourceforge DOT net
> Subject: Re: [Bacula-users] tape label
> 
> Hi,
> 
> Colapinto Giovanni wrote:
>> Hi and excuse me for the long time answer, it's hell on work :-D
>>
> 
> I'm sure we're all familiar with that :)
> 
>> Pool: TuesdayPool
>> +---------+--------------+-----------+---------+----------+
>> | MediaId | VolumeName   | VolStatus | Enabled | VolBytes |
>> +---------+--------------+-----------+---------+----------+
>> |      75 | Tuesday-0003 | Used      |       1 |  129,024 |
>> |      76 | Tuesday-0004 | Append    |       1 |        0 |
>> |      83 | Tuesday      | Used      |       1 |  129,024 |
>> +---------+--------------+-----------+---------+----------+
>>
>> You ca see that the tape is being used this night, but why only 129.024 
>> bytes?
>> It is a DLT Tape of 80Gb copressed, 40Gb native.
>>
> 
> Status of 'Used' is different to a status of 'Full' - it indicates that for 
> some reason Bacula has decided to stop using that tape at some point. Check 
> your job output emails and you should see why it's done this.
> 
> It's normally because you've limited the number of jobs, tape size or tape 
> use duration in the config somewhere.
> 
> Hope this helps point you in the right direction. Posting your configs to the 
> mailing list would be the next step so maybe others can spot the problem.
> 
> Cheers,
> 
> 
> Troy.
> 
> 
> 
>> This morning I've found the request of bacula to mount Tuesday-0004 volume...
>>
>> Thanks
>>  
>>
>> -----Original Message-----
>> From: bacula-users-bounces AT lists.sourceforge DOT net 
>> [mailto:bacula-users-bounces AT lists.sourceforge DOT net] On Behalf Of ceron
>> Sent: martedì 8 aprile 2008 16.03
>> To: bacula-users AT lists.sourceforge DOT net
>> Subject: Re: [Bacula-users] tape label
>>
>>
>> Dear Giovanni,
>>
>> In order to help you provide some more information, like your job and pool 
>> resources and the entire error line in your job log.
>>
>>
>>
>> Colapinto Giovanni wrote:
>>> Hello guys.
>>>
>>> I've a problem with label tape in bacula. I've searched through 
>>> mailing list archive, but can't find anything, probably for the 
>>> general type of question....
>>>
>>> I've an up and running disk backup. I want to have a tape backup, so 
>>> I create the job to write to tape.
>>>
>>> Now the problem: I label a tape, put it in the correct pool, but when 
>>> the backup begins, it ask me to label a new tape, without using the 
>>> new labeled tape.
>>>
>>> Why?
>>>
>>> Thanx
>>>
>>> --
>>> -------------------------------------
>>> GIOVANNI COLAPINTO
>>> Resp. Logistica e Sistemi Informativi Assioma.net Via Quintino Sella 
>>> 19
>>> 20094 Corsico (MI)
>>> Telefono: 02/45055818
>>> Cellulare: 3404945829
>>> Email: giovanni.colapinto AT assioma DOT net
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>> --
>> View this message in context: 
>> http://www.nabble.com/tape-label-tp16489811p16558739.html
>> Sent from the Bacula - Users mailing list archive at Nabble.com.
>>
>>
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