From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?B?VG9yIEFybmUgVmVzdGLDuA==?= Subject: Re: RAID5 disk failure during rebuild of spare, any chance of recovery when one of the failed devices is suspected to be intact? Date: Mon, 16 Aug 2010 14:13:19 +0200 Message-ID: <4C692B5F.9080909@gmail.com> References: <4C68CCC9.2050604@jungers.net> <4C68D6D3.6070906@jungers.net> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4C68D6D3.6070906@jungers.net> Sender: linux-raid-owner@vger.kernel.org To: Nicolas Jungers Cc: linux-raid List-Id: linux-raid.ids On 16.08.10 08.12, Nicolas Jungers wrote: >> mdadm -E before http://pastebin.com/f46EWXEA vs after >> http://pastebin.com/Kp145Mkx indicates sdb1 is missing a few events, >> dunno if that's too much to be usable at this point? > > Did write happen during the reconstruction? You'll lose not only what > was on the write but also everything on the same strip, including > directories. That's a reason to try with a copy of sdd. I've got a LVM volume group on the array, but never mounted any of the logical volumes during the reconstruction. Not sure if LVM will write something in the background that would have messed up things? Tor Arne