doc: Added a tip to install NTP when running multiple monitors.

Signed-off-by: John Wilkins <john.wilkins@inktank.com>

diff --git a/doc/start/quick-ceph-deploy.rst b/doc/start/quick-ceph-deploy.rst
index 3e4c2b712c3f143bcc6d7c95e3bc531b8dc26a63..e05e5ce2203dc722991ee16215c151116d59c0d7 100644 (file)
--- a/doc/start/quick-ceph-deploy.rst
+++ b/doc/start/quick-ceph-deploy.rst
@@ -312,6 +312,10 @@ the following::
        ceph quorum_status --format json-pretty
 
 
+.. tip:: When you run Ceph with multiple monitors, you SHOULD install and 
+         configure NTP on each monitor host. Ensure that the
+         monitors are NTP peers.
+
 
 Storing/Retrieving Object Data
 ==============================
@@ -375,4 +379,4 @@ the migration manually.
 .. _placement group: ../../rados/operations/placement-groups
 .. _Monitoring a Cluster: ../../rados/operations/monitoring
 .. _Monitoring OSDs and PGs: ../../rados/operations/monitoring-osd-pg
-.. _Network Configuration Reference: ../../rados/configuration/network-config-ref
+.. _Network Configuration Reference: ../../rados/configuration/network-config-ref
\ No newline at end of file