From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jay Strauss Subject: Re: Raid 1 install revealed poor HD performance (I think) Date: Tue, 17 May 2005 22:30:55 -0500 Message-ID: <428AB6EF.3020401@heyjay.com> References: <428A09A3.9000802@heyjay.com> <428A814D.3000803@home.se> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <428A814D.3000803@home.se> Sender: linux-raid-owner@vger.kernel.org To: Henrik Holst Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids Henrik Holst wrote: > You might also want to try and force UltraDMA mode5 (or the highest > UltraDMA mode supported by your hardware) with "hdparm -X69 /dev/hda" > combined with the "Multiple sector mode" (set with "hdparm -m 16 > /dev/hda") that was suggested earlier. > No luck, thanks for the attempt though Jay