Re: SATA performace

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Hmm. I just installed EVMS 2.5.4 two weeks ago. Unless
I did something wrong?

Andargor


--- Dan Stromberg <strombrg@xxxxxxxxxxxxxxx> wrote:

> 
> Supposedly current versions of EVMS and LVM sit
> overtop of the same
> "device mapper" kernel component...  Given this, I
> have to wonder if the
> situation hasn't changed since last evaluated.
> 
> On Tue, 2006-01-03 at 00:36 -0800, Andargor The Wise
> wrote:
> > --- Paul Aviles <paul.aviles@xxxxxxxxx> wrote:
> > 
> > > Are SATA drives similar in performance than IDE
> > > drives? I have tested 
> > > Barracudas 7200.0 (500Gb) and WD too on the same
> > > type of servers (more than 
> > > 1 unit) and what I am getting is painfully slow
> in
> > > terms of read/writes. 
> > > Anyone out there with similar experience or this
> is
> > > just my isolated 
> > > results?
> > > 
> > > Thanks
> > > 
> > > Paul Aviles 
> > > 
> > 
> > Don't know about IDE, but I did some SATA tests on
> > RAID-5, if it can give you an indication:
> > 
> > http://www.andargor.com/raid5.html
> > 
> > BTW, EVMS will cut your performance about 50% (the
> > tests were run with straight MD, no EVMS). I don't
> > know about LVM, but that might add some overhead
> as
> > well...
> > 
> > Andargor
> > 
> > 
> > 
> > 	
> > 		
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> 
> 



		
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