From mboxrd@z Thu Jan 1 00:00:00 1970 From: Josh Durgin Subject: Re: timed out in osd1 error in dmes Date: Tue, 13 Mar 2012 13:23:52 -0700 Message-ID: <4F5FACD8.8090902@dreamhost.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.hq.newdream.net ([66.33.206.127]:41618 "EHLO mail.hq.newdream.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752789Ab2CMUX6 (ORCPT ); Tue, 13 Mar 2012 16:23:58 -0400 In-Reply-To: Sender: ceph-devel-owner@vger.kernel.org List-ID: To: madhusudhana Cc: ceph-devel@vger.kernel.org On 03/13/2012 12:35 AM, madhusudhana wrote: > Hi all, > The server in which i have mounted file system using mount -t ceph > is showing below errors in dmesg. > > > libceph: tid 79987 timed out on osd2, will reset osd > libceph: tid 81516 timed out on osd0, will reset osd > libceph: tid 81133 timed out on osd1, will reset osd > libceph: skipping osd1 10.25.12.127:6800 seq 1 expected 2 > libceph: tid 80108 timed out on osd2, will reset osd > libceph: tid 81134 timed out on osd1, will reset osd > libceph: tid 81641 timed out on osd1, will reset osd > > > Is is because of this, write/copy operation in my cluster > is slow ? is this a error which needs attention or can be > safely ignored ? These are usually harmless, and could just mean the osds can't keep up with the requests you're giving them. Given your other issues, it might be a symptom of a problem with your osds. What filesystem are the osds using? Are there any warnings from these filesystems in dmesg? > > Thanks > Madhusudhan