Ceph

New one, "[ERR] 0.c scrub stat mismatch, got 6/6 objects, 2/5 clones, 13511948/13511948 bytes."

Workload was

  kernel:
    sha1: eda84b58922928516e6e62af85430b7c9705b6cf
  nuke-on-error: true
  overrides:
    ceph:
      coverage: true
      fs: xfs
      log-whitelist:
      - clocks not synchronized
      - old request
      sha1: b54bac3061666b1c781351154b1f3d78242709ec
  roles:
  - - mon.a
    - osd.0
    - osd.1
    - osd.2
  - - mds.a
    - client.0
    - osd.3
    - osd.4
    - osd.5
  tasks:
  - chef: null
  - ceph:
      log-whitelist:
      - wrongly marked me down or wrong addr
  - thrashosds: null
  - rados:
      clients:
      - client.0
      objects: 50
      op_weights:
        delete: 50
        read: 100
        snap_create: 50
        snap_remove: 50
        snap_rollback: 50
        write: 100
      ops: 4000

and "[ERR] 0.a backfill osd.1 stat mismatch on finish: num_bytes 512000 != expected 516096"

  kernel:
    sha1: eda84b58922928516e6e62af85430b7c9705b6cf
  nuke-on-error: true
  overrides:
    ceph:
      coverage: true
      fs: btrfs
      log-whitelist:
      - clocks not synchronized
      - old request
      sha1: b54bac3061666b1c781351154b1f3d78242709ec
  roles:
  - - mon.a
    - mds.a
    - osd.0
    - osd.1
  - - mon.b
    - mon.c
    - osd.2
  tasks:
  - chef: null
  - ceph:
      conf:
        osd:
          osd min pg log entries: 5
      log-whitelist:
      - wrongly marked me down or wrong addr
  - backfill: null