ceph修复osd为down的情况
方式一:直接重新激活所有osd
1、查看osd
root@ceph01:~# ceph osd tree
ID WEIGHT TYPE NAME UP/DOWN REWEIGHT PRIMARY-AFFINITY
-1 0.29279 root default
-2 0.14639 host ceph01
0 0.14639 osd.0 up 1.00000 1.00000
-3 0.14639