Signed-off-by: Ihar Hrachyshka <[email protected]>
---
NEWS | 2 ++
controller/ovn-controller.8.xml | 12 ++++++++++++
2 files changed, 14 insertions(+)
diff --git a/NEWS b/NEWS
index 224a7b83e..63afcea9d 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,7 @@
Post v22.09.0
-------------
+ - ovn-controller: Experimental support for co-hosting multiple controller
+ instances on the same host.
OVN v22.09.0 - 16 Sep 2022
--------------------------
diff --git a/controller/ovn-controller.8.xml b/controller/ovn-controller.8.xml
index 2f852d39f..b258b27c1 100644
--- a/controller/ovn-controller.8.xml
+++ b/controller/ovn-controller.8.xml
@@ -371,6 +371,18 @@
set in the database.
</p>
+ <p>
+ Chassis-specific configuration options in the database plus the ability
+ to configure the chassis name to use via the
+ <code>system-id-override</code> file or command line allows to run
+ multiple <code>ovn-controller</code> instances with unique chassis
+ names on the same host using the same <code>vswitchd</code> instance.
+ This may be useful when running a hybrid setup with more than one CMS
+ managing ports on the host, or to use different datapath types on the
+ same host. Note that this ability is highly experimental and has known
+ limitations. Use at your own risk.
+ </p>
+
<p>
<code>ovn-controller</code> reads the following values from the
<code>Open_vSwitch</code> database of the local OVS instance:
--
2.34.1
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