ovs-sim: Support backup and clustered databases for ovn.

Signed-off-by: Ben Pfaff <blp@ovn.org>
Acked-by: Justin Pettit <jpettit@ovn.org>

1 files changed, 22 insertions, 2 deletions

diff --git a/Documentation/ref/ovs-sim.1.rst b/Documentation/ref/ovs-sim.1.rst
index 12e7f63f7..51a415fba 100644
--- a/Documentation/ref/ovs-sim.1.rst
+++ b/Documentation/ref/ovs-sim.1.rst
@@ -147,12 +147,32 @@ OVN Commands
 
 These commands interact with OVN, the Open Virtual Network.
 
-``ovn_start``
+``ovn_start`` [*options*]
     Creates and initializes the central OVN databases (both
     ``ovn-sb(5)`` and ``ovn-nb(5)``) and starts an instance of
     ``ovsdb-server`` for each one.  Also starts an instance of
     ``ovn-northd``.
 
+    The following options are available:
+
+       ``--nbdb-model`` *model*
+           Uses the given database model for the northbound database.
+           The *model* may be ``standalone`` (the default), ``backup``,
+           or ``clustered``.
+
+       ``--nbdb-servers`` *n*
+           For a clustered northbound database, the number of servers in
+           the cluster.  The default is 3.
+
+       ``--sbdb-model`` *model*
+           Uses the given database model for the southbound database.
+           The *model* may be ``standalone`` (the default), ``backup``,
+           or ``clustered``.
+
+       ``--sbdb-servers`` *n*
+           For a clustered southbound database, the number of servers in
+           the cluster.  The default is 3.
+
 ``ovn_attach`` *network* *bridge* *ip* [*masklen*]
     First, this command attaches bridge to interconnection network
     network, just like ``net_attach`` *network* *bridge*.  Second, it
@@ -195,7 +215,7 @@ Here’s a primitive OVN "scale test" (adjust the scale by changing
 ``n`` in the first line::
 
     n=200; export n
-    ovn_start
+    ovn_start --sbdb-model=clustered
     net_add n1
     ovn-nbctl ls-add br0
     for i in `seq $n`; do