Improve Live Migration section in multinode-lab.rst
Added root user login check to ensure SSH keys exchanged.
Change-Id: I8513bc883ac273af8dcc2f61562a838d33b45a82
diff --git a/doc/source/guides/multinode-lab.rst b/doc/source/guides/multinode-lab.rst
index 8751eb8..a98c270 100644
--- a/doc/source/guides/multinode-lab.rst
+++ b/doc/source/guides/multinode-lab.rst
@@ -400,6 +400,10 @@
ssh-keyscan -H DEST_HOSTNAME | sudo tee -a /root/.ssh/known_hosts
+3. Verify that login via ssh works without a password::
+
+ ssh -i /root/.ssh/id_rsa.pub stack@DESTINATION
+
In essence, this means that every compute node's root user's public RSA key
must exist in every other compute node's stack user's authorized_keys file and
every compute node's public ECDSA key needs to be in every other compute