I have installed openstack using devstack.I'm using multinode setup with one controller node and one compute node.I'm able to launch VM from openstack dashboard onto the controller node. At the controller node when i do ps -ef | grep nova,the following appears..

ps -ef | grep nova

root 799 798 0 11:48 pts/22 00:00:00 sg libvirtd /usr/local/bin/nova-compute --config-file /etc/nova/nova.conf

shiv 801 799 0 11:48 pts/22 00:00:55 /usr/bin/python /usr/local/bin/nova-compute --config-file /etc/nova/nova.conf

shiv 1233 1232 1 11:48 pts/23 00:03:45 /usr/bin/python /usr/local/bin/nova-conductor --config-file /etc/nova/nova.conf

shiv 1457 1233 0 11:48 pts/23 00:00:45 /usr/bin/python /usr/local/bin/nova-conductor --config-file /etc/nova/nova.conf

shiv 1458 1233 0 11:48 pts/23 00:00:45 /usr/bin/python /usr/local/bin/nova-conductor --config-file /etc/nova/nova.conf

shiv 1459 1233 0 11:48 pts/23 00:00:45 /usr/bin/python /usr/local/bin/nova-conductor --config-file /etc/nova/nova.conf

shiv 1460 1233 0 11:48 pts/23 00:00:45 /usr/bin/python /usr/local/bin/nova-conductor --config-file /etc/nova/nova.conf

shiv 1578 1577 0 11:48 pts/24 00:00:09 /usr/bin/python /usr/local/bin/nova-cert --config-file /etc/nova/nova.conf

shiv 1880 1879 0 11:48 pts/25 00:00:10 /usr/bin/python /usr/local/bin/nova-scheduler --config-file /etc/nova /nova.conf

shiv 2221 2219 0 11:48 pts/26 00:00:05 /usr/bin/python /usr/local/bin/nova-novncproxy --config-file /etc/nova/nova.conf --web /opt/stack/noVNC

shiv 2431 2429 0 11:48 pts/27 00:00:00 /usr/bin/python /usr/local/bin/nova-xvpvncproxy --config-file /etc/nova/nova.conf

shiv 2670 2669 0 11:48 pts/28 00:00:09 /usr/bin/python /usr/local/bin/nova-consoleauth --config-file /etc/nova/nova.conf

shiv 2897 2895 0 11:48 pts/29 00:00:00 /usr/bin/python /usr/local/bin/nova-objectstore --config-file /etc/nova/nova.conf

122 13484 1 19 15:43 ? 00:00:02 /usr/bin/kvm -S -M pc-1.0 -enable-kvm -m 512 -smp 1,sockets=1,cores=1,threads=1 -name instance-00000003 -uuid cec324c7-2398-49b8-844b-08c6cca7fff3 -smbios type=1,manufacturer=OpenStack Foundation,product=OpenStack Nova,version=2014.2,serial=44454c4c-5600-1039-804c-c7c04f595831,uuid=cec324c7-2398-49b8-844b-08c6cca7fff3 -nodefconfig -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/instance-00000003.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc,driftfix=slew -no-kvm-pit-reinjection -no-hpet -no-shutdown -drive file=/opt/stack/data/nova/instances/cec324c7-2398-49b8-844b-08c6cca7fff3/disk,if=none,id=drive-virtio-disk0,format=qcow2,cache=none -device virtio-blk-pci,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 -drive file=/opt/stack/data/nova/instances/cec324c7-2398-49b8-844b-08c6cca7fff3/disk.config,if=none,media=cdrom,id=drive-ide0-1-1,readonly=on,format=raw,cache=none -device ide-drive,bus=ide.1,unit=1,drive=drive-ide0-1-1,id=ide0-1-1 -netdev tap,fd=19,id=hostnet0,vhost=on ... (more)