Ceph » RADOS

Hi,

The PGs are stuck in 'creating+incomplete' status after creating an erasure coded pool on a vstart cluster.

I tested it on the master branch, commit https://github.com/ceph/ceph/commit/820dac980e9416fe05998d50cac633c81a87b9e3 and I'm observing this behavior about 12 days now.

Steps to reproduce:

1. Create a new vstart cluster

2. Create an erasure coded pool:

ceph-dev /ceph/build # bin/ceph osd pool create ecpool 12 12 erasure
*** DEVELOPER MODE: setting PATH, PYTHONPATH and LD_LIBRARY_PATH ***
2018-03-20 09:22:20.589 7f0717be2700 -1 WARNING: all dangerous and experimental features are enabled.
2018-03-20 09:22:20.609 7f0717be2700 -1 WARNING: all dangerous and experimental features are enabled.
pool 'ecpool' created

3. After that my cluster is stuck in the following status:

ceph-dev /ceph/build # bin/ceph -s
*** DEVELOPER MODE: setting PATH, PYTHONPATH and LD_LIBRARY_PATH ***
2018-03-20 09:22:52.885 7f706d0cb700 -1 WARNING: all dangerous and experimental features are enabled.
2018-03-20 09:22:52.897 7f706d0cb700 -1 WARNING: all dangerous and experimental features are enabled.
  cluster:
    id:     78384e20-ab50-458e-b7b0-5248f7d26a20
    health: HEALTH_WARN
            Reduced data availability: 12 pgs incomplete

  services:
    mon: 3 daemons, quorum a,b,c
    mgr: x(active)
    mds: cephfs_a-1/1/1 up  {0=c=up:active}, 2 up:standby
    osd: 3 osds: 3 up, 3 in

  data:
    pools:   3 pools, 28 pgs
    objects: 21 objects, 2.19K
    usage:   3.01G used, 27.0G / 30G avail
    pgs:     42.857% pgs not active
             16 active+clean
             12 creating+incomplete

Please find the pg dump output attached.

I'm not really sure which log files are helpful here, but I could attach them afterwards. Just let me know what you would need.