The command signature for "osd pool create" is: 'cmd119' => { 'sig' => [ 'osd', 'pool', 'create', { 'name' => 'pool', 'type' => 'CephPoolname' }, { 'range' => '0', 'name' => 'pg_num', 'type' => 'CephInt' }, { 'req' => 'false', 'range' => '0', 'name' => 'pgp_num', 'type' => 'CephInt' }, { 'n' => 'N', 'req' => 'false', 'goodchars' => '[A-Za-z0-9-_.=]', 'name' => 'properties', 'type' => 'CephString' } ], But it seems that 'properties' are ignored. I tried: 2014-01-17 09:39:13.010675 2b3a6975e700 0 mon.0@0(leader) e1 handle_command mon_command({"format":"json","pg_num":32,"pool":"test3","properties":["size=3","min_size=2","crush_ruleset=1"],"prefix":"osd pool create"} v 0) v1 Is something wrong with the format? (I do not get any error message). -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html