From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: libata retry - disable? Date: Tue, 18 Apr 2006 02:50:28 -0400 Message-ID: <44448C34.6060605@garzik.org> References: <62b0912f0604172330g274c286fje159f9d920d5ec61@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <62b0912f0604172330g274c286fje159f9d920d5ec61@mail.gmail.com> Sender: linux-raid-owner@vger.kernel.org To: Molle Bestefich Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids Molle Bestefich wrote: > Does anyone know of a way to disable libata's 5-time retry when a read fails? > > It has the effect of causing every failed sector read to take 6 > seconds before it fails, causing raid5 rebuilds to go awfully slow. > It's generally undesirable too, when you've got RAID on top that can > write replacement data onto the failed sectors.. libata does not retry at all. Jeff