root@qh-a07-ceph-osd-06:~# ceph osd tree
ID  WEIGHT   TYPE NAME                                UP/DOWN REWEIGHT PRIMARY-AFFINITY
-19 16.37952 root sata
 -9 16.37952     datacenter qh-sata
-10 16.37952         rack a07-sata
-12  2.72992             host qh-a07-ceph-osd-06-sata
100  0.45499                 osd.100                       up  1.00000          1.00000
101  0.45499                 osd.101                       up  1.00000          1.00000

[..]

 -1 16.37952 root ssds
-13 16.37952     datacenter qh-ssds
-14 16.37952         rack a07-ssds
-15  2.72992             host qh-a07-ceph-osd-06-ssds
 94  0.45499                 osd.94                        up  1.00000          1.00000
 95  0.45499                 osd.95                        up  1.00000          1.00000
 96  0.45499                 osd.96                        up  1.00000          1.00000