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authorTim Rozet <trozet@redhat.com>2017-03-30 22:08:05 -0400
committerDan Radez <dradez@redhat.com>2017-03-31 02:33:27 +0000
commit55427ec21a17cd601a4abb2cab4de4694ba1a702 (patch)
treea218adbac3b93b0b71463a7c2b674850725403f4 /docs/release/installation/architecture.rst
parentb4af8e13fd656423fe7275d6f37b7cfee10cd1aa (diff)
More doc updates for Danube
Change-Id: I125548acde034d8c4c85cce93fb001ba06c8ab33 Signed-off-by: Tim Rozet <trozet@redhat.com> (cherry picked from commit 1d655538cfe9a665c5e12dc8b910ddaaae21bae7)
Diffstat (limited to 'docs/release/installation/architecture.rst')
-rw-r--r--docs/release/installation/architecture.rst18
1 files changed, 11 insertions, 7 deletions
diff --git a/docs/release/installation/architecture.rst b/docs/release/installation/architecture.rst
index ae634cc..eff5d35 100644
--- a/docs/release/installation/architecture.rst
+++ b/docs/release/installation/architecture.rst
@@ -30,7 +30,7 @@ Undercloud
----------
The undercloud is not Highly Available. End users do not depend on the
-underloud. It is only for management purposes.
+undercloud. It is only for management purposes.
Overcloud
---------
@@ -47,7 +47,7 @@ will run the following services:
- Ceph Monitors and OSDs
Stateless OpenStack services
- All running statesless OpenStack services are load balanced by HA Proxy.
+ All running stateless OpenStack services are load balanced by HA Proxy.
Pacemaker monitors the services and ensures that they are running.
Stateful OpenStack services
@@ -65,9 +65,13 @@ RabbitMQ
establishment of clustering across cluster members.
OpenDaylight
- OpenDaylight is currently installed on all three control nodes but only
- started on the first control node. OpenDaylight's HA capabilities are not yet
- mature enough to be enabled.
+ OpenDaylight is currently installed on all three control nodes and started as
+ an HA cluster unless otherwise noted for that scenario. OpenDaylight's
+ database, known as MD-SAL, breaks up pieces of the database into "shards".
+ Each shard will have its own election take place, which will determine
+ which OpenDaylight node is the leader for that shard. The other
+ OpenDaylight nodes in the cluster will be in standby. Every Open vSwitch
+ node connects to every OpenDaylight to enable HA.
HA Proxy
HA Proxy is monitored by Pacemaker to ensure it is running across all nodes
@@ -127,9 +131,9 @@ issues per scenario. The following scenarios correspond to a supported
+-------------------------+-------------+---------------+
| os-nosdn-ovs-noha | OVS for NFV | Yes |
+-------------------------+-------------+---------------+
-| os-nosdn-fdio-ha | FDS | Yes |
+| os-nosdn-fdio-ha | FDS | No |
+-------------------------+-------------+---------------+
-| os-nosdn-fdio-noha | FDS | Yes |
+| os-nosdn-fdio-noha | FDS | No |
+-------------------------+-------------+---------------+
| os-nosdn-kvm-ha | KVM for NFV | Yes |
+-------------------------+-------------+---------------+