<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif;font-size:16px"><div id="yiv6005342967"><div id="yui_3_16_0_1_1427864863995_119070"><div style="color:#000;background-color:#fff;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif;font-size:16px;" id="yui_3_16_0_1_1427864863995_119069"><div class="yiv6005342967" style="" id="yui_3_16_0_1_1427864863995_119082"><br class="yiv6005342967" style=""></div><div class="yiv6005342967" style="" id="yui_3_16_0_1_1427864863995_119068"><br class="yiv6005342967" style=""></div><div class="yiv6005342967" style="" id="yui_3_16_0_1_1427864863995_119096">Hi,</div><div class="yiv6005342967" style="" id="yui_3_16_0_1_1427864863995_119098">Am trying to get a multi-node setup with Devstack having one controller and two compute nodes.</div><div class="yiv6005342967" style="" id="yui_3_16_0_1_1427864863995_119100">Am able to get the vms on the controller node to ping each other, but vms on the compute node is not reachable. I have a single interface.</div><div class="yiv6005342967" style="" id="yui_3_16_0_1_1427864863995_119102"><br class="yiv6005342967" style=""></div><div class="yiv6005342967" style="" id="yui_3_16_0_1_1427864863995_119104">Please let me know what am i missing here or if any different steps are required to get it working.</div><div class="yiv6005342967" style="" id="yui_3_16_0_1_1427864863995_119106"><br class="yiv6005342967" style=""></div><div class="yiv6005342967" style="" id="yui_3_16_0_1_1427864863995_119108">local.conf on controller node is:</div><div class="yiv6005342967" style="" id="yui_3_16_0_1_1427864863995_119110">[[local|localrc]]</div><div class="yiv6005342967" style="" id="yui_3_16_0_1_1427864863995_119112">HOST_IP=10.21.18.30</div><div class="yiv6005342967" style="" id="yui_3_16_0_1_1427864863995_119114">FLAT_INTERFACE=em1</div><div class="yiv6005342967" style="" id="yui_3_16_0_1_1427864863995_119116"> </div><div class="yiv6005342967" style="" id="yui_3_16_0_1_1427864863995_119118">LOGFILE=/opt/stack/logs/stack.sh.log</div><div class="yiv6005342967" style="" id="yui_3_16_0_1_1427864863995_119120">ADMIN_PASSWORD=admin</div><div class="yiv6005342967" style="" id="yui_3_16_0_1_1427864863995_119122">MYSQL_PASSWORD=admin</div><div class="yiv6005342967" style="" id="yui_3_16_0_1_1427864863995_119124">RABBIT_PASSWORD=admin</div><div class="yiv6005342967" style="" id="yui_3_16_0_1_1427864863995_119126">SERVICE_PASSWORD=admin</div><div class="yiv6005342967" style="" id="yui_3_16_0_1_1427864863995_119128">SERVICE_TOKEN=abcdefghijkl</div><div class="yiv6005342967" style="" id="yui_3_16_0_1_1427864863995_119130"><br class="yiv6005342967" style=""></div><div class="yiv6005342967" style="" id="yui_3_16_0_1_1427864863995_119132"><br class="yiv6005342967" style=""></div><div class="yiv6005342967" style="" id="yui_3_16_0_1_1427864863995_119134"># Enable Logging</div><div class="yiv6005342967" style="" id="yui_3_16_0_1_1427864863995_119136">LOGFILE=/opt/stack/logs/stack.sh.log</div><div class="yiv6005342967" style="">VERBOSE=True</div><div class="yiv6005342967" style="">LOG_COLOR=True</div><div class="yiv6005342967" style="">SCREEN_LOGDIR=/opt/stack/logs</div><div class="yiv6005342967" style=""><br class="yiv6005342967" style=""></div><div class="yiv6005342967" style=""> </div><div class="yiv6005342967" style="">#Enable neutron which is required by Ironic and disable nova-network</div><div class="yiv6005342967" style="">disable_service n-net</div><div class="yiv6005342967" style="">enable_service q-svc</div><div class="yiv6005342967" style="">enable_service q-agt</div><div class="yiv6005342967" style="">enable_service q-dhcp</div><div class="yiv6005342967" style="">enable_service q-l3</div><div class="yiv6005342967" style="">enable_service q-meta</div><div class="yiv6005342967" style="">enable_service neutron</div><div class="yiv6005342967" style=""><br class="yiv6005342967" style=""></div><div class="yiv6005342967" style="">And local.conf on the compute node is:</div><div class="yiv6005342967" style="">[[local|localrc]]</div><div class="yiv6005342967" style="">HOST_IP=10.21.18.31 # change this per compute node</div><div class="yiv6005342967" style="">FLAT_INTERFACE=em1</div><div class="yiv6005342967" style=""> </div><div class="yiv6005342967" style="">SCHEDULER=nova.scheduler.simple.SimpleScheduler</div><div class="yiv6005342967" style="">MULTI_HOST=1</div><div class="yiv6005342967" style="">LOGFILE=/opt/stack/logs/stack.sh.log</div><div class="yiv6005342967" style=""><br class="yiv6005342967" style=""></div><div class="yiv6005342967" style="">ADMIN_PASSWORD=admin</div><div class="yiv6005342967" style="">MYSQL_PASSWORD=admin</div><div class="yiv6005342967" style="">RABBIT_PASSWORD=admin</div><div class="yiv6005342967" style="">SERVICE_PASSWORD=admin</div><div class="yiv6005342967" style="" id="yiv6005342967yui_3_16_0_1_1427864863995_117311">SERVICE_TOKEN=abcdefghijkl</div><div class="yiv6005342967" style="" id="yiv6005342967yui_3_16_0_1_1427864863995_117310">DATABASE_TYPE=mysql</div><div class="yiv6005342967" style="" id="yiv6005342967yui_3_16_0_1_1427864863995_117309">SERVICE_HOST=10.21.18.30</div><div class="yiv6005342967" style="" id="yiv6005342967yui_3_16_0_1_1427864863995_117308">MYSQL_HOST=10.21.18.30</div><div class="yiv6005342967" style="" id="yiv6005342967yui_3_16_0_1_1427864863995_117307">RABBIT_HOST=10.21.18.30</div><div class="yiv6005342967" style="" id="yiv6005342967yui_3_16_0_1_1427864863995_117301">MULTI_HOST=True</div><div class="yiv6005342967" style="" id="yiv6005342967yui_3_16_0_1_1427864863995_117302">GLANCE_HOSTPORT=10.21.18.30:9292</div><div class="yiv6005342967" style="" id="yiv6005342967yui_3_16_0_1_1427864863995_117303">Q_HOST=10.21.18.30</div><div class="yiv6005342967" style="" id="yiv6005342967yui_3_16_0_1_1427864863995_117304">MATCHMAKER_REDIS_HOST=10.21.18.30</div><div class="yiv6005342967" style="" id="yiv6005342967yui_3_16_0_1_1427864863995_117305"> </div><div class="yiv6005342967" style="" id="yiv6005342967yui_3_16_0_1_1427864863995_117306">disable_all_services</div><div class="yiv6005342967" style="">enable_service rabbit</div><div class="yiv6005342967" style="">enable_service n-cpu</div><div class="yiv6005342967" style="">enable_service q-agt</div><div class="yiv6005342967" style=""><br class="yiv6005342967" style=""></div><div class="yiv6005342967" style=""><br class="yiv6005342967" style=""></div><div class="yiv6005342967" style="">As it is mentioned in a link "devstack by default configures openvswitch to use GRE tunnels for tenant networks, and creates the br-int integration bridge if it doesn't already exist. Therefore, as before, no manual bridge creation is necessary to run openvswitch in single-node or multi-node configuration on systems that support OVS GRE tunneling.</div><div class="yiv6005342967" style=""> </div><div class="yiv6005342967" style="">Regards,</div><div class="yiv6005342967" style="">srindu</div><div class="yiv6005342967" style=""><br class="yiv6005342967" style=""></div></div></div></div></div></body></html>