From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kasper Dieter Subject: cephfs set_layout --pool_meta --pool_data Date: Tue, 16 Jul 2013 13:58:50 +0200 Message-ID: <20130716115850.GA24975@oder.mch.fsc.net> References: <20130716115448.GA23760@oder.mch.fsc.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from dgate10.ts.fujitsu.com ([80.70.172.49]:10214 "EHLO dgate10.ts.fujitsu.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754298Ab3GPL66 (ORCPT ); Tue, 16 Jul 2013 07:58:58 -0400 Content-Disposition: inline In-Reply-To: <20130716115448.GA23760@oder.mch.fsc.net> Sender: ceph-devel-owner@vger.kernel.org List-ID: To: ceph-devel Cc: Kasper Dieter 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