From: Stephen Lee <splee@plexio.com>
To: Raid <linux-raid@vger.kernel.org>
Subject: Re: raid 1 vs raid 0+1
Date: 29 Oct 2002 08:16:06 -0800 [thread overview]
Message-ID: <1035908166.6345.311.camel@ralph.plexio.private> (raw)
In-Reply-To: <20021029153930.GA21099@smeagol>
On Tue, 2002-10-29 at 07:39, Adam Luter wrote:
> On Tue, Oct 29, 2002 at 07:16:26AM -0800, Stephen Lee wrote:
> Of course alternate conclusions are that my raid-5 array suffers from
> using two channels per drive (I know -- but when I put two promise
> cards they or linux has DMA problems) and that I'm still behind the
> pack when you throw 10krpm at me :) (2.2 seconds is nice!).
It's around 2.0 seconds if I direct stdout to /dev/null ;-)
I also have a system using a Promise raid controller with 2x7200rpm ide
drives in a raid1 configuration (AMD K7 1.4Gig, ext2, RH 2.4.2 kernel,
Promises proprietary driver) and the same test produced a speed of 2.6
seconds.
Stephen
next prev parent reply other threads:[~2002-10-29 16:16 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-29 12:29 raid 1 vs raid 0+1 Antonello Piemonte
2002-10-29 13:14 ` Jakob Oestergaard
2002-10-29 15:16 ` Stephen Lee
2002-10-29 15:39 ` Adam Luter
2002-10-29 16:16 ` Stephen Lee [this message]
2002-10-29 21:08 ` Trent Piepho
2002-10-29 15:27 ` Antonello Piemonte
2002-10-29 15:42 ` Adam Luter
2002-10-29 16:19 ` Roy Sigurd Karlsbakk
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