2010/12/7 Christoph Litauer <lita...@uni-koblenz.de>
>
> I can see no bottleneck at all ... but "status storage" still reports
> 40MB/s write performance.
>
>
AFAIK, when bacula-sd run a copy job it perform this by single thread,
synchronous.
So, bacula-sd read a block from source volume, then write it into
destination volume, repeats until end of source volume.
This leads to about a half of expected throughput.
There was a thread on bacula-devel list about it: "slow copying from tape to
tape."
At this thread Kern confirmed a possible improvement:
Yes, I am working on this now (a very low priority project for the moment)
> but
> it will probably only be in the Enterprise version and not in the community
> version.
>
bye
--
Radosław Korzeniewski
rados...@korzeniewski.net
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