crunch map
ceph osd crush add-bucket left rack
ceph osd crush add-bucket right rack
ceph osd crush move left root=default
ceph osd crush move right root=default
ceph osd crush move node-1 rack=right
ceph osd crush move node-2 rack=right
ceph osd crush move node-3 rack=right
ceph osd crush move node-4 rack=left
ceph osd crush move node-5 rack=left
ceph osd crush move node-6 rack=left
ceph osd tree
revert changes to default
ceph osd crush move node-1 root=default
ceph osd crush move node-2 root=default
ceph osd crush move node-3 root=default
ceph osd crush move node-4 root=default
ceph osd crush move node-5 root=default
ceph osd crush move node-6 root=default