doc: document new 'laggy' and 'wait' pg states

Signed-off-by: Sage Weil <sage@redhat.com>

diff --git a/doc/rados/operations/pg-states.rst b/doc/rados/operations/pg-states.rst
index c38a683f0c57f8c7f040a5910610b9101792701d..495229d9253f513e7bd50544fe579643bffdbe91 100644 (file)
--- a/doc/rados/operations/pg-states.rst
+++ b/doc/rados/operations/pg-states.rst
@@ -22,6 +22,12 @@ map is ``active + clean``.
 *down*
   A replica with necessary data is down, so the placement group is offline.
 
+*laggy*
+  A replica is not acknowledging new leases from the primary in a timely fashion; IO is temporarily paused.
+
+*wait*
+  The set of OSDs for this PG has just changed and IO is temporarily paused until the previous interval's leases expire.
+
 *scrubbing*
   Ceph is checking the placement group metadata for inconsistencies.