doc/rados/operations: document pg_num_max

Signed-off-by: Sage Weil <sage@newdream.net>

diff --git a/doc/rados/operations/placement-groups.rst b/doc/rados/operations/placement-groups.rst
index caaeb7af7aacdcc43cff5acdb22df6af919979c6..e4b0e5228bd21d55dd71c7e21a02d4273dde2b48 100644 (file)
--- a/doc/rados/operations/placement-groups.rst
+++ b/doc/rados/operations/placement-groups.rst
@@ -204,13 +204,14 @@ parallelism client will see when doing IO, even when a pool is mostly
 empty.  Setting the lower bound prevents Ceph from reducing (or
 recommending you reduce) the PG number below the configured number.
 
-You can set the minimum number of PGs for a pool with::
+You can set the minimum or maximum number of PGs for a pool with::
 
   ceph osd pool set <pool-name> pg_num_min <num>
+  ceph osd pool set <pool-name> pg_num_max <num>
 
-You can also specify the minimum PG count at pool creation time with
-the optional ``--pg-num-min <num>`` argument to the ``ceph osd pool
-create`` command.
+You can also specify the minimum or maximum PG count at pool creation
+time with the optional ``--pg-num-min <num>`` or ``--pg-num-max
+<num>`` arguments to the ``ceph osd pool create`` command.
 
 .. _preselection: