On Tue, Apr 12, 2005 at 08:56:46PM +0200, Geert Uytterhoeven wrote:
> On Tue, 12 Apr 2005, Eric Dantan Rzewnicki wrote:
> > My current amanda server lives on one big 1.4TB partition on an SATA
> > hardware raid controller. Copying from the holding disk to file-tapes on
> > the same device has so far been limited to about 15MB/s. This seems
> > quite slow to me. Does amanda add any overhead above a simple copy on
> > the same device? An hdparm -t on this system when it's idle gives around
> > 58MB/s.
> Just for comparison...
> I don't use a holding disk, but my vtapes are on the same (single) SATA disk 
> as
> the other data on my backup machine.
> While hdparm -t claims ca. 55 MB/s for the raw disk, level 0 dumps (actually
> tars) from my digital picture collection (ca 1.3 MB/file) to the vtapes are
> performed at 10-13 MB/s.

Ok. so maybe I don't actually have a problem.
-- 
Eric Dantan Rzewnicki  |  Systems Administrator
Technical Operations Division  |  Radio Free Asia
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