From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Nelson Subject: Re: osd crash after reboot Date: Fri, 14 Dec 2012 09:01:06 -0600 Message-ID: <50CB3F32.2070106@inktank.com> References: <50CADF58.4010902@profihost.ag> <50CAE1AA.80801@profihost.ag> <50CAEDE5.9070509@profihost.ag> <50CB3D33.7070800@conversis.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail-ia0-f174.google.com ([209.85.210.174]:42275 "EHLO mail-ia0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754116Ab2LNPBG (ORCPT ); Fri, 14 Dec 2012 10:01:06 -0500 Received: by mail-ia0-f174.google.com with SMTP id y25so3195721iay.19 for ; Fri, 14 Dec 2012 07:01:06 -0800 (PST) In-Reply-To: <50CB3D33.7070800@conversis.de> Sender: ceph-devel-owner@vger.kernel.org List-ID: To: Dennis Jacobfeuerborn Cc: Stefan Priebe , "ceph-devel@vger.kernel.org" On 12/14/2012 08:52 AM, Dennis Jacobfeuerborn wrote: > On 12/14/2012 10:14 AM, Stefan Priebe wrote: >> One more IMPORTANT note. This might happen due to the fact that a disk was >> missing (disk failure) afte the reboot. >> >> fstab and mountpoint are working with UUIDs so they match but the journal >> block device: >> osd journal = /dev/sde1 >> >> didn't match anymore - as the numbers got renumber due to the failed disk. >> Is there a way to use some kind of UUIDs here too for journal? > > You should be able to use /dev/disk/by-uuid/* instead. That should give you > a stable view of the filesystems. I often map partitions to something in /dev/disk/by-partlabel and use those in my ceph.conf files. that way disks can be remapped behind the scenes and the ceph configuration doesn't have to change even if disks get replaced. > > Regards, > Dennis > > -- > To unsubscribe from this list: send the line "unsubscribe ceph-devel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >