From mboxrd@z Thu Jan 1 00:00:00 1970 From: Clemens Koller Subject: Re: Error mounting a reiserfs on renamed raid1 Date: Fri, 25 Jan 2008 20:56:50 +0100 Message-ID: <479A3F02.3010403@anagramm.de> References: <479931E0.3020909@anagramm.de> <20080125085741.GA581@cthulhu.home.robinhill.me.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20080125085741.GA581@cthulhu.home.robinhill.me.uk> Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org List-Id: linux-raid.ids Robin Hill schrieb: > On Fri Jan 25, 2008 at 01:48:32AM +0100, Clemens Koller wrote: > >> Hi there. >> >> I am new to this list, however didn't find this effect nor a >> solution to my problem in the archives or with google: >> >> short story: >> ------------ >> A single raid1 as /dev/md0 containing a reiserfs (with important data) >> assembled during boot works just fine: >> $ cat /proc/mdstat >> Personalities : [linear] [raid0] [raid1] >> md0 : active raid1 hdg1[1] hde1[0] >> 293049600 blocks [2/2] [UU] >> >> The same raid1 moved to another machine as a fourth raid can be >> assembled manually as /dev/md3 (to work around naming conflicts), >> but it cannot be mounted anymore: >> $ mdadm --assemble /dev/md3 --update=super-minor -m0 /dev/hde /dev/hdg >> does not complain. /dev/md3 is created. But >> > It looks like you should be assembling the partitions, not the disks. > Certainly the mdstat entry above shows the array being formed from the > disks. Try: > mdadm --assemble /dev/md3 --update=super-minor -m0 /dev/hde1 /dev/hdg1 Argh, that was too simple. I thought I've tried to assemble the partitions (/dev/hdx1) too instead of the whole disks but I guess I was wrong. A simple mdadm --assemble /dev/md3 /dev/hde1 /dev/hdg1 did the job Thank you! Regards, Clemens