root@cmn01:~# ceph osd tree
ID CLASS WEIGHT   TYPE NAME       STATUS REWEIGHT PRI-AFF 
-1       10.53777 root default                            
-5        3.51259     host osd001                         
 1   ssd  3.51259         osd.1     down  1.00000 1.00000 
-7        3.51259     host osd002                         
 2   ssd  3.51259         osd.2     down  1.00000 1.00000 
-3        3.51259     host osd003                         
 0   ssd  3.51259         osd.0     down  1.00000 1.00000