root@01-00-25-90-79-cc-ba:~# ceph osd tree

# id	weight	type name	up/down	reweight
-1	4	root default
-3	4		rack unknownrack
-2	4			host 01-00-25-90-79-cc-ba
0	1				osd.0	up	1
1	1				osd.1	up	1
2	1				osd.2	up	1
3	1				osd.3	up	1