Add scenarios docs

Change-Id: Ice02ae39569fe2efb1fbd3544afa1e5dd47d5e1d
Signed-off-by: Zhijiang Hu <hu.zhijiang@zte.com.cn>

2 files changed, 56 insertions, 0 deletions

diff --git a/docs/release/scenarios/os-odl-nofeature-ha/index.rst b/docs/release/scenarios/os-odl-nofeature-ha/index.rst
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+.. _os-odl-nofeature-ha:
+
+.. This work is licensed under a Creative Commons Attribution 4.0 International Licence.
+.. http://creativecommons.org/licenses/by/4.0
+.. (c) <optionally add copywriters name>
+
+============================================
+os-odl-nofeature-ha overview and description
+============================================
+
+.. toctree::
+   :numbered:
+   :maxdepth: 4
+
+   os-odl-nofeature-ha.rst
diff --git a/docs/release/scenarios/os-odl-nofeature-ha/os-odl-nofeature-ha.rst b/docs/release/scenarios/os-odl-nofeature-ha/os-odl-nofeature-ha.rst
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+.. This work is licensed under a Creative Commons Attribution 4.0 International License.
+.. http://creativecommons.org/licenses/by/4.0
+
+This document provides scenario level details for Fraser 1.0 of
+deployment with the OpenDaylight SDN controller and no extra features enabled.
+
+============
+Introduction
+============
+
+This scenario is used primarily to validate and deploy a Pike OpenStack
+deployment with OpenDaylight, and without any NFV features enabled.
+
+Scenario components and composition
+===================================
+
+This scenario is composed of common OpenStack services enabled by default,
+including Nova, Neutron, Glance, Cinder, Keystone, Horizon. Ceph is used as
+the backend storage to Cinder, Glance and Nova on all deployed nodes.
+
+All services are in HA, meaning that there are multiple cloned instances of
+each service, and they are balanced by HA Proxy using a Virtual IP Address
+per service. VIP is elected by using keepalived.
+
+OpenDaylight is also enabled in HA, and forms a cluster.  Neutron
+communicates with a Virtual IP Address for OpenDaylight which is load
+balanced across the OpenDaylight cluster.  Every Open vSwitch node is
+connected to every OpenDaylight for High Availability, thus it is the
+OpenDaylight controllers responsbility to elect a master.
+
+Scenario usage overview
+=======================
+
+Simply deploy this scenario by using the '-s os-odl-nofeature-ha'
+parameter among others when calling ./ci/deploy/deploy.sh.
+
+References
+==========
+
+For more information on the OPNFV Fraser release, please visit
+http://www.opnfv.org/fraser