$ ceph osd tree
# id	weight	type name	up/down	reweight
-8	3	root ssd
-7	3		host cephosd04-ssd
36	1			osd.36	down	0	
37	1			osd.37	down	0	
38	1			osd.38	down	0	
-6	49.14	root fusionio
-2	24.57		host cephosd01
1	2.73			osd.1	up	1	
2	2.73			osd.2	up	1	
3	2.73			osd.3	up	1	
4	2.73			osd.4	up	1	
5	2.73			osd.5	up	1	
6	2.73			osd.6	up	1	
7	2.73			osd.7	up	1	
8	2.73			osd.8	up	1	
0	2.73			osd.0	up	1	
-3	24.57		host cephosd02
9	2.73			osd.9	up	1	
10	2.73			osd.10	up	1	
11	2.73			osd.11	up	1	
12	2.73			osd.12	up	1	
13	2.73			osd.13	up	1	
14	2.73			osd.14	up	1	
15	2.73			osd.15	up	1	
16	2.73			osd.16	up	1	
17	2.73			osd.17	up	1	
-1	49.14	root default
-4	24.57		host cephosd03
18	2.73			osd.18	up	1	
19	2.73			osd.19	up	1	
20	2.73			osd.20	up	1	
21	2.73			osd.21	up	1	
22	2.73			osd.22	up	1	
23	2.73			osd.23	up	1	
24	2.73			osd.24	up	1	
25	2.73			osd.25	up	1	
26	2.73			osd.26	up	1	
-5	24.57		host cephosd04
27	2.73			osd.27	up	1	
28	2.73			osd.28	up	1	
29	2.73			osd.29	up	1	
30	2.73			osd.30	up	1	
31	2.73			osd.31	up	1	
32	2.73			osd.32	up	1	
33	2.73			osd.33	up	1	
34	2.73			osd.34	up	1	
35	2.73			osd.35	up	1