From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wido den Hollander Subject: Re: Fwd: Kernel-client crash when adding OSDs Date: Wed, 30 Apr 2014 20:10:37 +0200 Message-ID: <53613C9D.4090604@42on.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from websrv.42on.com ([31.25.102.167]:59453 "EHLO websrv.42on.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752159AbaD3SKk (ORCPT ); Wed, 30 Apr 2014 14:10:40 -0400 In-Reply-To: Sender: ceph-devel-owner@vger.kernel.org List-ID: To: Thorwald Lundqvist , ceph-devel@vger.kernel.org On 04/30/2014 04:16 PM, Thorwald Lundqvist wrote: > Hi! > > A few days ago I added a bunch of new OSDs to hour production servers, > we have 3 hosts that maps and unmaps hundreds of RBD devices every > day. with aprox 100 RBD devs mapped at each host at any given time. > > Adding OSDs is usually quite smooth if you do it the right way. I > usually follow the Manual adding/remove of osd as explained in the > documentation. Except when it comes to the crush add, i prefer > decompiling and compiling my own crush map. > > So I preceded as usuall, prepared the OSD disks, keyring and so on, > and then I started up 4 new ceph-osd (osd.{9,10,11,12}) on the new OSD > host. BAM; a host that had a bunch of RBD devs mapped crashed and > rebooted with this in the log: http://pastebin.com/YKJSdWLv > That procedure seems right, I've done that multiple times and it all worked fine. That was with librbd and RGW though, so I'm not sure if this was a kernel issue. > I realise that this is not much to go on since there's no stack trace > or anything, but if anyone can help me reproduce this, I'd be > grateful. And if anyone had the same issue would really like to hear > from them too. > > I'm running Linux 3.14.1 and ceph 0.72.2. > > Thank you for your time, > Thorwald Lundqvist. > Jumpstarter AB > -- > 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 > -- Wido den Hollander 42on B.V. Ceph trainer and consultant Phone: +31 (0)20 700 9902 Skype: contact42on