From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keld =?iso-8859-1?Q?J=F8rn?= Simonsen Subject: Re: strange performance of raid0 Date: Mon, 16 Feb 2004 00:58:34 +0100 Sender: linux-raid-owner@vger.kernel.org Message-ID: <20040215235834.GA21806@rap.rap.dk> References: <20040215100432.GA19002@rap.rap.dk> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline In-Reply-To: <20040215100432.GA19002@rap.rap.dk> To: Keld =?iso-8859-1?Q?J=F8rn?= Simonsen Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids On Sun, Feb 15, 2004 at 11:04:32AM +0100, Keld J=F8rn Simonsen wrote: > Hi >=20 > I have some strange performance results on a raid0 > I have 4 IDE disks on two controllers, the one on the=20 > motherboard of the duron 1 GHz mackine, the other a promise TX2 plus=20 > SATA + PATA controller. I run kernel 2.4.22 >=20 > The disks and hdparm -t on each of them >=20 > /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 - To unsubscribe from this list: send the line "unsubscribe linux-raid" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html