From mboxrd@z Thu Jan 1 00:00:00 1970 From: Guido Winkelmann Subject: Re: Can I use btrfs-restore to restore ceph osds? Date: Wed, 09 May 2012 19:35:47 +0200 Message-ID: <1862199.KHPoMmXDX8@pc10> References: <8973610.uuSzCzFUvq@pc10> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Return-path: Received: from unknownsite.de ([62.48.69.106]:32800 "EHLO hartes-hannover.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754302Ab2EIRfz (ORCPT ); Wed, 9 May 2012 13:35:55 -0400 Received: from pc10.localnet (pc10.asys-h.de [193.98.1.90]) by hartes-hannover.de (Postfix) with ESMTPSA id 2E95E10C866 for ; Wed, 9 May 2012 19:35:54 +0200 (CEST) In-Reply-To: <8973610.uuSzCzFUvq@pc10> Sender: ceph-devel-owner@vger.kernel.org List-ID: To: ceph-devel@vger.kernel.org Am Mittwoch, 9. Mai 2012, 19:15:19 schrieben Sie: > I'm currently trying to re-enable my experimental ceph cluster that has been > offline for a few months. Unfortunately, it appears that, out of the six > btrfs volumes involved, only one can still be mounted, the other five are > broken somehow. (If I ever use Ceph in production, it's probably not going > to be on btrfs after this... I cannot recall whether or not the servers > were properly shut down the last time, but even if not, this is a bit > ridiculous.) In case anybody was wondering, the machines were using kernel 3.1.1 when they last ran. (And still are, but I'm preparing a newer kernel.) I don't know yet what bug has caused this breakage and whether or not it's still present in newer kernels. Guido