From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Mick Subject: Re: Unable to restart Mon after reboot Date: Fri, 22 Jun 2012 22:48:59 -0700 Message-ID: <4FE558CB.4010509@inktank.com> References: <4FE55567.6080201@inktank.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail-pz0-f46.google.com ([209.85.210.46]:36194 "EHLO mail-pz0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751759Ab2FWFtD (ORCPT ); Sat, 23 Jun 2012 01:49:03 -0400 Received: by dady13 with SMTP id y13so3184783dad.19 for ; Fri, 22 Jun 2012 22:49:02 -0700 (PDT) In-Reply-To: <4FE55567.6080201@inktank.com> Sender: ceph-devel-owner@vger.kernel.org List-ID: To: David Blundell Cc: "ceph-devel@vger.kernel.org" Sorry: that file would actually be /data/mon0/osdmap/latest On 06/22/2012 10:34 PM, Dan Mick wrote: > Hi David: > > The code there is trying to read some stuff off the monitor's storage to > initialize, and apparently failing in an odd way. It's trying to read > the file 'latest' from the monitor directory (/data/mon0); the file can > be opened, and stat says it's 4289 bytes long, but apparently the read > is succeeding without error, but only getting back 0 bytes (i.e., not an > error, but apparently end of file). > > See if there's a file /data/mon0/latest of length 4289, and see if > something is odd about its permissions (like maybe the read bits are > turned off, or maybe the filesystem it's on has errors). > > > On 06/22/2012 05:31 PM, David Blundell wrote: >> Hi all, >> >> I am testing Ceph 0.47.2 on btrfs with three servers running Fedora >> 17. Following a reboot of the servers, one of the mon daemons crashes >> on startup with "FAILED assert(r>0)" >> >> MDS and the OSD start and run fine as do the mon daemons on the other >> two servers. >> >> The debug log is at http://pastebin.com/tXwvd44Z >> >> I would really appreciate any comments - especially if I am missing >> something obvious. >> >> David-- >> 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