From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tim Small Subject: Re: raid5+hotspare: request for recommended procedure Date: Wed, 29 Sep 2010 13:21:53 +0100 Message-ID: <4CA32F61.3070802@seoss.co.uk> References: <4CA300EB.1070909@xunil.at> <4CA32AA3.3090602@msgid.tls.msk.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4CA32AA3.3090602@msgid.tls.msk.ru> Sender: linux-raid-owner@vger.kernel.org To: Michael Tokarev Cc: lists@xunil.at, linux-raid@vger.kernel.org List-Id: linux-raid.ids On 29/09/10 13:01, Michael Tokarev wrote: > >> I also ran a "echo check> /sys/block/mdX/md/sync_action" because this >> had helped to remove those errors at another server, unfortunately it >> did not help here. >> > It should be repair, not check - check merely reads stuff, repair tries > to fix it. > > No it shouldn't, AFAIK - check will read from all sectors on all drives, and will trigger a rewrite on unreadable blocks (which is what the OP has). Tim. -- South East Open Source Solutions Limited Registered in England and Wales with company number 06134732. Registered Office: 2 Powell Gardens, Redhill, Surrey, RH1 1TQ VAT number: 900 6633 53 http://seoss.co.uk/ +44-(0)1273-808309