On Mon, 2010-06-21 at 11:54 +0200, Radosław Korzeniewski wrote:
> 2010/6/20 Lukas Kolbe <l-lists AT einfachkaffee DOT de>
>         Hi!
>         
> 
> Hi,
>  
>         We use a Tandberg autochanger with two IBM Ultrium LTO-4
>         drives behind a
>         24-disk RAID50. When used with with testdata and dd or tar (in
>         dd's case
>         with bs=1M), both drives get acceptable rates of around 170MiB
>         per
>         second. However, when used with bacula for a copy job (Our
>         default pool
>         is the diskpool, the jobs get copied to tape during the day),
>         only
>         20MiB/second get written to the tape, while bacula-sd consumes
>         a full
>         cpu.
> 
> It seems that it is a problem mentioned on bacula-devel list last
> month, see:
> http://www.mail-archive.com/bacula-devel AT lists.sourceforge DOT 
> net/msg06423.html
> 
> If it is a problem for you, try avoid copy jobs or prepare to migrate
> to Bacula Enterprise in near future:
> http://www.mail-archive.com/bacula-devel AT lists.sourceforge DOT 
> net/msg06492.html or fix the problem by yourself.

Thanks for the links! I didn't realize Bacula was mostly a
one-person/company-effort as of yet. We'll have to think about a
subscription in the mid-term future. 

I'm quite sure that our throughput problem is of an entirely different
nature though (see my other mail from today), and hopefully we'll get to
the bottom of it soon(ish).
 
-- 
Regards,
Lukas




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