This page will walk through how to fix a damaged object when the cluster health message below occurs.

  cluster:
    id:     cec9ca98-b59f-4d91-8ddd-43802195c735
    health: HEALTH_ERR
            1 scrub errors
            Possible data damage: 1 pg inconsistent
   ....
  data:
    pools:   10 pools, 1120 pgs
    objects: 29.66 k objects, 99 GiB
    usage:   320 GiB used, 7.7 TiB / 8.0 TiB avail
    pgs:     1119 active+clean
             1    active+clean+inconsistent

• To find the damaged PG run “ceph health detail”

  • OSD_SCRUB_ERRORS 1 scrub errors
    PG_DAMAGED Possible data damage: 1 pg inconsistent
        pg 13.6 is active+clean+inconsistent, acting [4,18,14]

• The problematic PG is pg 13.6

• Attempt to repair the PG

  • ceph pg repair 13.6

  • Watch that the a repair has begun in either the UI or terminal

    •   data:
          pools:   10 pools, 1120 pgs
          objects: 29.66 k objects, 99 GiB
          usage:   320 GiB used, 7.7 TiB / 8.0 TiB avail
          pgs:     1119 active+clean
                   1    active+clean+scrubbing+deep+inconsistent+repair

  • If successful the cluster will return to a healthy state.
    • If not you will have to manually fix the object. See here for more details

• See here for more details