>>>>> On Mon, 6 Jul 2009 10:14:09 -0700, Hayden Katzenellenbogen said:
> 
> Hello,
> 
> Thanks to a patch published two weeks ago I am finally making headway
> into the wonderful world of Bacula. I have a single machine right now
> with about 1.2T of data I am backing up.
> 
> When I run the btape fill test I get write speeds of around 70MB/s when
> I run a full backup from the local machine I get about 20MB/s is there
> anyway to figure out where the bottle neck is?

Are you using software compression (gzip) in Bacula?

What do "top" and "iostat 10" show when running a backup?

You could try using tar to check the speed of your filesystem, e.g.

time tar cf /dev/null /some/very/large/directory

__Martin

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