Add a new section to the PG troubleshooting section that covers the most
common problems reported when an erasure coded pool fails to properly
map PGs to enough OSDs.
http://tracker.ceph.com/issues/10350Fixes: #10350
Signed-off-by: Loic Dachary <ldachary@redhat.com>
Covers 1-node cluster issues, fewer OSDs than replicas, and
active + clean + inconsistent states in greater detail.
Signed-off-by: John Wilkins <john.wilkins@inktank.com>