Acked-by: Mark Michelson <[email protected]>
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 672efb749..c6a5d6264 100644
--- a/NEWS
+++ b/NEWS
@@ -5,6 +5,8 @@ Post v22.09.0
period of time.
- ovn-northd: Add configuration knobs to enable drop sampling using OVS's
per-flow IPFIX sampling.
+ - 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 73a3bbf9b..0d2f72d64 100644
--- a/controller/ovn-controller.8.xml
+++ b/controller/ovn-controller.8.xml
@@ -375,6 +375,18 @@
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:
--
2.38.1
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