From: Andre Tomt <andre@tomt.net>
To: linux-kernel@vger.kernel.org
Cc: "Måns Rullgård" <mru@users.sourceforge.net>
Subject: Re: Software RAID5 with 2.6.0-test
Date: Thu, 09 Oct 2003 02:51:44 +0200 [thread overview]
Message-ID: <1065660704.848.10.camel@slurv> (raw)
In-Reply-To: <yw1xad8bfg6q.fsf@users.sourceforge.net>
On Thu, 2003-10-09 at 01:44, Måns Rullgård wrote:
> When I tried it, I was running 2.6.0-test4. The RAID5 was 4 120 GB
> Seagate disks on a Highpoint controller.
<snip>
> The other thing that I don't like, is the performance of the RAID
> array. The disks individually give ~40 MB/s read speed, but the array
> only measures 25 MB/s. I was of the impression, that RAID5 would give
> read speeds at least equal to the underlying disks. Is this
> incorrect?
Was this a 4 port or 2 port HPT controller? Keep in mind, two disks on
the same IDE channel severely degrades performance, *especially* with
RAID.
--
Mvh,
André Tomt
andre@tomt.net
next prev parent reply other threads:[~2003-10-09 0:54 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-08 22:43 Software RAID5 with 2.6.0-test Måns Rullgård
2003-10-08 23:24 ` Torrey Hoffman
2003-10-08 23:44 ` Måns Rullgård
2003-10-09 0:51 ` Andre Tomt [this message]
2003-10-09 8:55 ` Måns Rullgård
2003-10-09 9:10 ` Andre Tomt
2003-10-09 9:28 ` Måns Rullgård
2003-10-17 17:07 ` Bill Davidsen
2003-10-17 17:44 ` Måns Rullgård
2003-10-17 18:39 ` Samuel Flory
2003-10-17 19:18 ` Måns Rullgård
2003-10-17 19:37 ` Jakob Oestergaard
2003-10-17 19:52 ` Måns Rullgård
2003-10-18 22:55 ` jw schultz
2003-10-17 19:24 ` Jakob Oestergaard
2003-10-19 9:25 ` Pavel Machek
2003-10-21 21:44 ` bill davidsen
2003-10-21 21:36 ` bill davidsen
2003-10-22 15:17 ` Chuck Campbell
2003-10-18 11:50 Dr. David Alan Gilbert
2003-10-21 21:51 ` bill davidsen
2003-10-22 2:37 ` jw schultz
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