Hello List, I see a pool without a name: ceph> osd lspools 0 data,1 metadata,2 rbd,3 .rgw.root,4 .rgw.control,5 .rgw,6 .rgw.gc,7 .users.uid,8 openstack-images,9 openstack-volumes,10 openstack-backups,11 .users,12 .users.swift,13 .users.email,14 .log,15 .rgw.buckets,16 .rgw.buckets.index,17 .usage,18 .intent-log,20 , I've already deleted one of those (with ID 19) with rados rmpool "" "" --yes-i-really-really-mean-it But now it's back with ID 20. Where do they come from? What kind of data is in there? Kind Regards, Georg