# See under proxmox docs.

ceph health

ceph health detail

# If a pg shows bad health, ala:
Possible data damage: 1 pg inconsistent

pg 3.f1 is active+clean+inconsistent, acting [5,2,8]

# Run:
ceph pg repair [pg with problem]

# For example:
$ ceph pg repair 3.f1

$ ceph pg repair 3.ec
instructing pg 3.ec on osd.8 to repair