From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sam Lang Subject: Re: ceph stability Date: Thu, 20 Dec 2012 05:20:50 -1000 Message-ID: <50D32CD2.7040309@inktank.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail-pb0-f43.google.com ([209.85.160.43]:61410 "EHLO mail-pb0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750949Ab2LTPUy (ORCPT ); Thu, 20 Dec 2012 10:20:54 -0500 Received: by mail-pb0-f43.google.com with SMTP id um15so2061159pbc.16 for ; Thu, 20 Dec 2012 07:20:54 -0800 (PST) In-Reply-To: Sender: ceph-devel-owner@vger.kernel.org List-ID: To: Roman Hlynovskiy Cc: Sage Weil , ceph-devel@vger.kernel.org On 12/19/2012 10:02 PM, Roman Hlynovskiy wrote: > Hello Sage, > > Yes, I can easily reproduce it. > > how can I open a bug on the tracker? I can't find the link for this. > log is ready to be uploaded. Hi Roman, The bug tracker is at: http://tracker.newdream.net/ Once you've created an account, you can jump to the project 'fs' through the scroll down bar on the right, and then click on the 'New Issue' tab. -sam > this is pure kernel client mount. my kernel on the client is > 3.2.0-0.bpo.3-686-pae > > 2012/12/19 Sage Weil : >> On Wed, 19 Dec 2012, Roman Hlynovskiy wrote: >>> My second problem - I have 2 systems which mount ceph. Whenever I >>> mount ceph on any other system it usually mounts but get stuck on >>> stat* operations (i.e. simple ls -al will hang with read( from the >>> ceph-mounted directory for ages). This kind of client stuck also >>> affects two working clients. they also start to stuck on the stat* >>> even after shutdown of the third client. so usually umount/mount or >>> even reboot for existing clients solves the issue) >> >> If this is something you can easily reproduce, can you please run with >> >> [mds] >> debug mds = 20 >> debug ms = 1 >> >> in your ceph.conf and attach the resulting mds log to a bug in the >> tracker? We've seen this sort of thing in the past, but not recently. >> >> Is this the kernel client mount? What version of the client (kernel) are >> you running? >> >> Thanks! >> sage >> >> >> > > >