On Fri, 2009-01-23 at 10:05 +0200, Ari Suutari wrote:
> Hi,
>
> My configuration is roughly like this: I back up
> about 10 hosts to disk volume using bacula and
> migrate the backups to tape once a week.
>
> Backups work ok, the resulting volume file on
> disk is currently about 25 Gb. I have also some
> backups going directly to tape, performance there
> is also ok.
>
> But the weekly migration job, which moves backups
> from disk volume to tape is really slow.
>
> For example:
> Elapsed time: 7 mins 14 secs
> SD Files Written: 2
> SD Bytes Written: 3,913,732 (3.913 MB)
>
> A relatively small backup job, only a couple of
> megabytes took more than 7 minutes. When I looked
> at the machine, it was doing heavy disk io, tape
> is mostly idle.
>
> This sounds a little bit similar as issue discussed
> here earlier:
> http://www.mail-archive.com/bacula-users AT lists.sourceforge DOT
> net/msg31142.html
>
> I wonder if there was any solution, configuring things
> differently maybe ?
>
Hello,
This is know problem in bacula versions up to 2.4.4
It is fixed in recent beta 2.5.28-b1
We are running the same Setup (just Copy instead of Migrate)
30 Clients
CopyDiskToTape weekly full backups (~600GB) takes 3 hours
CopyDiskToTape daily incr backups (~30GB) takes 10 minutes
Regards
Ulrich
> Regards,
>
> Ari Suutari
>
>
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--
Ulrich Leodolter <ulrich.leodolter AT obvsg DOT at>
OBVSG
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