Bacula-users

Re: [Bacula-users] duplicate full backups

2008-04-07 04:33:57
Subject: Re: [Bacula-users] duplicate full backups
From: Arno Lehmann <al AT its-lehmann DOT de>
To: bacula-users AT lists.sourceforge DOT net
Date: Mon, 07 Apr 2008 09:37:26 +0200
Hi,

07.04.2008 06:04, Seth Miller wrote:
> Hello all,
> 
> I recently upgraded to Bacula 2.2.8 and have noticed something has
> changed.  If a full backup has not yet completed and it's time for the
> next incremental, that incremental is upgraded to a full and starts
> running as shown below
> 
> 
> Running Jobs:
>  JobId Level   Name                       Status
> ======================================================================
>     77 Full    web15.2008-04-04_22.00.42 is running
>     78 Full    web16.2008-04-04_22.00.43 is running
>     82 Full    web20.2008-04-04_22.00.47 is running
>     84 Full    web22.2008-04-04_22.00.49 is running
>    137 Increme  host36.2008-04-06_18.00.56 is running
>    152 Increme  web6.2008-04-06_22.00.11 is running
>    154 Increme  web8.2008-04-06_22.00.13 is running
>    156 Increme  web10.2008-04-06_22.00.15 is running
>    159 Increme  web13.2008-04-06_22.00.18 is running
>    160 Increme  web14.2008-04-06_22.00.19 is running
>    161 Full    web15.2008-04-06_22.00.20 is running
>    162 Full    web16.2008-04-06_22.00.21 is running
>    163 Increme  web17.2008-04-06_22.00.22 is running
>    165 Increme  web19.2008-04-06_22.00.24 is running
>    166 Full    web20.2008-04-06_22.00.25 is running
>    167 Increme  web21.2008-04-06_22.00.26 is running
>    168 Full    web22.2008-04-06_22.00.27 is running
> 
> 
> The job for web22 for example has been running for 2 days.  Most of
> the other jobs finish in about 16 hours but there are some stragglers
> with lots of data that take longer.  To prevent this I skipped an
> incremental the day after the full but since it's been 2 days, the
> next incremental kicked in and was upgraded to a full.

Yes, this is a known issue - not a bug, but definitely something that 
can be improved.

There has been a discussion about this which I can't find in the list 
mail now (so you'll have to search yourself ;-)

I'm rather sure that there will be configuration statements available 
to miodify this behaviour some time, but I'm not sure if this in the 
queue for the next release.

> In the past this just caused the second backup to be put on hold until
> the first finished.

Sure? I don't think I ever observed this. In fact, I'm pretty sure I 
have had to cancel jobs for that exact reason every time I forgot to 
load the correct tapes in the autochanger and so a full backups waits 
all night and is still running when the next incremental one is started.

>  What's worse is that it's starting all over with
> a new file as shown below

Yup... this is one good reason to keep your backups small enough they 
can finish in less than 24 hours :-)

> alucard web # ls -lh web22-0*
> 
> -rw-r----- 1 root bacula 430G Apr  6 22:00 web22-0081
> -rw-r----- 1 root bacula  29G Apr  6 23:04 web22-0162
> 
> How can I force Bacula to complete a job before it starts a new one
> for the same client?

You can't, now, I believe.

Arno

> Regards,
> 
> Seth
> 
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-- 
Arno Lehmann
IT-Service Lehmann
www.its-lehmann.de

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