From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keld Simonsen Subject: Re: recovering a mirrored arry. Date: Fri, 5 Feb 2010 02:19:28 +0100 Message-ID: <20100205011928.GA12630@light.rap.dk> References: <20100203025758.GA12925@light.rap.dk> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Return-path: Content-Disposition: inline In-Reply-To: <20100203025758.GA12925@light.rap.dk> Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org List-Id: linux-raid.ids On Wed, Feb 03, 2010 at 03:57:58AM +0100, Keld Simonsen wrote: Hi can anybody help me with this? I am stuck with recovering my system here. is it a sensible thing ro do? best regards keld > Hi > > I got 2 arrays in error of the raid10 type. > > I think this is because my motherboard died, and then the fs were > corrupted. > > My thoughts were that actually one of the copies could be correct. > So I would like to try out the consistency of each part of the raid10 > (it is 2-partition arrays), and then if I find one that is consistent, then > resync the faulty one with the good one. > > How do I do this? > > it seems that I cannot just assemble an array with a missing part. > If I assemble the full array, is there then a risk of the bad one > corrupting the good one? And can I declare one of the disks faulty > then test the other one, then declare nbr 2 disk for faulty and > declare the first one as good? > > I dont see anything on the wiki on this. > > best regards > keld