From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Priebe Subject: Re: upstream/firefly exporting the same snap 2 times results in different exports Date: Tue, 21 Jul 2015 21:48:01 +0200 Message-ID: <55AEA1F1.8030400@profihost.ag> References: <55AE3B3A.2040902@profihost.ag> <1431119614.1353345.1437489164103.JavaMail.zimbra@redhat.com> <55AE798F.1010206@profihost.ag> <1828157940.1473499.1437499191528.JavaMail.zimbra@redhat.com> <55AE9BD9.6010801@profihost.ag> <55AEA17A.8040901@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail-ph.de-nserver.de ([85.158.179.214]:49027 "EHLO mail-ph.de-nserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932103AbbGUTsC (ORCPT ); Tue, 21 Jul 2015 15:48:02 -0400 In-Reply-To: <55AEA17A.8040901@redhat.com> Sender: ceph-devel-owner@vger.kernel.org List-ID: To: Josh Durgin , Jason Dillaman Cc: ceph-devel@vger.kernel.org Am 21.07.2015 um 21:46 schrieb Josh Durgin: > On 07/21/2015 12:22 PM, Stefan Priebe wrote: >> >> Am 21.07.2015 um 19:19 schrieb Jason Dillaman: >>> Does this still occur if you export the images to the console (i.e. >>> "rbd export cephstor/disk-116@snap - > dump_file")? >>> >>> Would it be possible for you to provide logs from the two "rbd export" >>> runs on your smallest VM image? If so, please add the following to >>> the "[client]" section of your ceph.conf: >>> >>> log file = /valid/path/to/logs/$name.$pid.log >>> debug rbd = 20 >>> >>> I opened a ticket [1] where you can attach the logs (if they aren't >>> too large). >>> >>> [1] http://tracker.ceph.com/issues/12422 >> >> Will post some more details to the tracker in a few hours. It seems it >> is related to using discard inside guest but not on the FS the osd is on. > > That sounds very odd. Could you verify via 'rados listwatchers' on an > in-use rbd image's header object that there's still a watch established? How can i do this exactly? > Have you increased pgs in all those clusters recently? Yes i bumped from 2048 to 4096 as i doubled the osds. Stefan > Josh > -- > 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