Health

osd down

ceph orch ps --format yaml
ceph orch daemon restart osd.0

MANY_OBJECTS_PER_PG

default is 10, increase mon_pg_warn_max_object_skew to 20 or more.

ceph config set mon_pg_warn_max_object_skew 20

PG_DEGRADED

osd pool set rbd-k8s pg_autoscale_mode on
osd pool autoscale-status

PG_DAMAGED

Error

ceph pg 15.1c list_unfound 
ceph pg 15.1c mark_unfond_lost revert # revert/delete

osd full

跳转osd最大磁盘空间占比：

ceph osd set-nearfull-ratio 0.93
ceph osd set-full-ratio 0.97
ceph osd set-backfillfull-ratio 0.95

自动调整osd weight:

ceph osd reweight-by-utilization
ceph osd tree