From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Bluemle Subject: Re: cephfs set_layout --pool_meta --pool_data Date: Tue, 16 Jul 2013 14:26:21 +0200 Message-ID: <20130716142621.0de44e47@andylap> References: <20130716115448.GA23760@oder.mch.fsc.net> <20130716115850.GA24975@oder.mch.fsc.net> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from port-212-202-108-184.static.qsc.de ([212.202.108.184]:47974 "EHLO mail.itxperts.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932095Ab3GPM0Z (ORCPT ); Tue, 16 Jul 2013 08:26:25 -0400 In-Reply-To: <20130716115850.GA24975@oder.mch.fsc.net> Sender: ceph-devel-owner@vger.kernel.org List-ID: To: Kasper Dieter Cc: ceph-devel Hallo Dieter, Kein Fehler, sondern ein fehlendes Kommando. Ein neuer pool muss dem mds erst bekannt gemacht werden. ceph mds add_data_pool Siehe Mitschnitt unten. Damit duerfte uebrigens auch meine Frage von gestern geloest sein: die zugehoerigkeit zu einem bestimmten Pool kann fuer ein Verzeichnis und damit einen ganzen Baum vergeben werden. Mit freundlichen Gruessen Andreas Bluemle [root@rx37-2 ~]# cephfs /mnt/cephfs/pool3 set_layout -s 4194304 \ -c 1 -u 4194304 -p 6 Error setting layout: Invalid argument [root@rx37-2 ~]# ceph mds add_data_pool 6 added data pool 6 to mdsmap [root@rx37-2 ~]# cephfs /mnt/cephfs/pool3 set_layout -s 4194304 \ -c 1 -u 4194304 -p 6 [root@rx37-2 ~]# cephfs /mnt/cephfs/pool3 show_layout layout.data_pool: 6 layout.object_size: 4194304 layout.stripe_unit: 4194304 layout.stripe_count: 1 On Tue, 16 Jul 2013 13:58:50 +0200 Kasper Dieter wrote: > BTW is there are a solution to put Cephfs metadata on a pool > 'SSD-group' and Cephfs data on a 2nd pool 'SAS-group' ? > > Regards, > Dieter Kasper > > > On Tue, Jul 16, 2013 at 01:54:48PM +0200, Kasper Dieter wrote: > > I followed the description > > http://www.sebastien-han.fr/blog/2013/02/11/mount-a-specific-pool-with-cephfs/ > > ... to change the pool assigned to cephfs: > > > > # ceph osd dump | grep rule > > pool 0 'data' rep size 2 min_size 1 crush_ruleset 0 object_hash > > rjenkins pg_num 10304 pgp_num 10304 last_change 1 owner 0 > > crash_replay_interval 45 pool 1 'metadata' rep size 2 min_size 1 > > crush_ruleset 1 object_hash rjenkins pg_num 10304 pgp_num 10304 > > last_change 1 owner 0 pool 2 'rbd' rep size 2 min_size 1 > > crush_ruleset 2 object_hash rjenkins pg_num 10304 pgp_num 10304 > > last_change 1 owner 0 pool 3 'SSD-group-2' rep size 2 min_size 1 > > crush_ruleset 3 object_hash rjenkins pg_num 3300 pgp_num 3300 > > last_change 299 owner 0 pool 4 'SSD-group-3' rep size 3 min_size 1 > > crush_ruleset 3 object_hash rjenkins pg_num 3300 pgp_num 3300 > > last_change 302 owner 0 pool 5 'SAS-group-2' rep size 2 min_size 1 > > crush_ruleset 4 object_hash rjenkins pg_num 3300 pgp_num 3300 > > last_change 306 owner 0 pool 6 'SAS-group-3' rep size 3 min_size 1 > > crush_ruleset 4 object_hash rjenkins pg_num 3300 pgp_num 3300 > > last_change 309 owner 0 > > > > # cephfs /mnt/cephfs/ show_layout > > layout.data_pool: 0 > > layout.object_size: 4194304 > > layout.stripe_unit: 4194304 > > layout.stripe_count: 1 > > > > # mount | grep ceph > > 10.10.38.13:/ on /mnt/cephfs type ceph (name=admin,key=client.admin) > > > > # cephfs /mnt/cephfs/ set_layout -p 3 -u 4194304 -c 1 -s 4194304 > > Error setting layout: Invalid argument > > > > > > Is this a bug in the current release ? > > # ceph -v > > ceph version 0.61.4 (1669132fcfc27d0c0b5e5bb93ade59d147e23404) > > > > How can this issue be solved ? > > > > > > Kind Regards, > > Dieter Kasper > -- > 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 > > -- Andreas Bluemle mailto:Andreas.Bluemle@itxperts.de Heinrich Boell Strasse 88 Phone: (+49) 89 4317582 D-81829 Muenchen (Germany) Mobil: (+49) 177 522 0151