From: Andargor The Wise <andargor@yahoo.com>
Cc: Paul Aviles <paul.aviles@palei.com>,
linux-raid@vger.kernel.org, strombrg@dcs.nac.uci.edu
Subject: Re: SATA performace
Date: Tue, 3 Jan 2006 20:04:10 -0800 (PST) [thread overview]
Message-ID: <20060104040410.71687.qmail@web54607.mail.yahoo.com> (raw)
In-Reply-To: <1136314242.10745.4.camel@seki.nac.uci.edu>
Hmm. I just installed EVMS 2.5.4 two weeks ago. Unless
I did something wrong?
Andargor
--- Dan Stromberg <strombrg@dcs.nac.uci.edu> 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@palei.com> 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
> >
> >
> >
> >
> >
> > __________________________________
> > Yahoo! for Good - Make a difference this year.
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>
>
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prev parent reply other threads:[~2006-01-04 4:04 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-02 4:08 Problem migrating to bootable RAID1 on Debian John Stoffel
2006-01-03 3:43 ` SATA performace Paul Aviles
2006-01-03 4:47 ` Ross Vandegrift
2006-01-03 5:04 ` Konstantin Olchanski
2006-01-03 5:35 ` debian
2006-01-03 8:36 ` Andargor The Wise
2006-01-03 18:50 ` Dan Stromberg
2006-01-04 4:04 ` Andargor The Wise [this message]
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