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From: "Keld Jørn Simonsen" <keld@dkuug.dk>
To: "Keld Jørn Simonsen" <keld@dkuug.dk>
Cc: linux-raid@vger.kernel.org
Subject: Re: strange performance of raid0
Date: Mon, 16 Feb 2004 00:58:34 +0100	[thread overview]
Message-ID: <20040215235834.GA21806@rap.rap.dk> (raw)
In-Reply-To: <20040215100432.GA19002@rap.rap.dk>

On Sun, Feb 15, 2004 at 11:04:32AM +0100, Keld Jørn Simonsen wrote:
> Hi
> 
> I have some strange performance results on a raid0
> I have 4 IDE disks on two controllers, the one on the 
> motherboard of the duron 1 GHz mackine, the other a promise TX2 plus 
> SATA + PATA controller. I run kernel 2.4.22
> 
> The disks and hdparm -t on each of them
> 
> /dev/hdc1 seagate 80 GB                   16 MB/s
> /dev/sda1 maxtor sata 200 GB              50 MB/s
> /dev/sdb7 maxtor 160 GB                   54 MB/s

Changed my hdc1 disk with my hda1 disk, a seagate 40 GB
disk running at something like 40 GB/s.

On a cat Mandrake...iso >/dev/null  681 MB, I now got 102 MB/s
on the raid0. I am happy.

Keld
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  parent reply	other threads:[~2004-02-15 23:58 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-02-15 10:04 strange performance of raid0 Keld Jørn Simonsen
2004-02-15  9:54 ` Matt Thrailkill
2004-02-15 12:05   ` Keld Jørn Simonsen
2004-02-15 11:55     ` Matt Thrailkill
2004-02-15 16:48     ` Keld Jørn Simonsen
2004-02-15 20:35     ` Mark Hahn
2004-02-15 20:49       ` Keld Jørn Simonsen
2004-02-15 23:58 ` Keld Jørn Simonsen [this message]
2004-02-17 17:50 ` Gregory Leblanc
2004-02-17 23:26   ` Keld Jørn Simonsen

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