Allow passing a device name to ceph

[apex.git] / docs / installationprocedure / architecture.rst

diff --git a/docs/installationprocedure/architecture.rst b/docs/installationprocedure/architecture.rst
index c2b38d0..3353678 100644 (file)
--- a/docs/installationprocedure/architecture.rst
+++ b/docs/installationprocedure/architecture.rst
@@ -44,6 +44,7 @@ will run the following services:
 - OpenDaylight
 - HA Proxy
 - Pacemaker & VIPs
+- Ceph Monitors and OSDs
 
 Stateless OpenStack services
   All running statesless OpenStack services are load balanced by HA Proxy.
@@ -77,6 +78,12 @@ Pacemaker & VIPs
   start up order and Virtual IPs associated with specific services are running
   on the proper host.
 
+Ceph Monitors & OSDs
+  The Ceph monitors run on each of the control nodes. Each control node also
+  has a Ceph OSD running on it. By default the OSDs use an autogenerated
+  virtual disk as their target device. A non-autogenerated device can be
+  specified in the deploy file.
+
 VM Migration is configured and VMs can be evacuated as needed or as invoked
 by tools such as heat as part of a monitored stack deployment in the overcloud.