From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dexter Filmore Subject: scrub was Re: RAID5 Problem - $1000 reward for help Date: Sun, 17 Sep 2006 14:46:00 +0200 Message-ID: <200609171446.01130.Dexter.Filmore@gmx.de> References: <20060915090856.GD27597@boom.net> <5b170a7d0609170436w18fc6ff3r713284436c394fa7@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <5b170a7d0609170436w18fc6ff3r713284436c394fa7@mail.gmail.com> Content-Disposition: inline Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org List-Id: linux-raid.ids Am Sonntag, 17. September 2006 13:36 schrieben Sie: > On 9/17/06, Ask Bj=F8rn Hansen wrote: > > > It's recommended to use a script to scrub the raid device regular= ly, > > > to detect sleeping bad blocks early. > > > > What's the best way to do that? dd the full md device to /dev/null= ? > > echo check >/sys/block/md?/md/sync_action > > Distros may have cron scripts to do this "right". > > And you need a fairly recent kernel. Does this test stress the discs a lot, like a resync?=20 How long does it take?=20 Can I use it on a mounted array? --=20 -----BEGIN GEEK CODE BLOCK----- Version: 3.12 GCS d--(+)@ s-:+ a- C++++ UL++ P+>++ L+++>++++ E-- W++ N o? K- w--(---) !O M+ V- PS+ PE Y++ PGP t++(---)@ 5 X+(++) R+(++) tv--(+)@=20 b++(+++) DI+++ D- G++ e* h>++ r* y? ------END GEEK CODE BLOCK------ http://www.stop1984.com http://www.againsttcpa.com - 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