Hi Umar, For question 2, I suspect the compute node name is missing in the command sent by yourself. nova boot -image <uuid> --flavor <flavorid> --key_name <keyname> --availability_zone nova:computenodename name of the instance. This command works fine in OpenStack ESSEX version. Thanks Krishnaprasad From: openstack-bounces+narayana=uni-mainz.de at lists.launchpad.net [mailto:openstack-bounces+narayana=uni-mainz.de at lists.launchpad.net] On Behalf Of Umar Draz Sent: Sonntag, 6. Januar 2013 19:23 To: openstack at lists.launchpad.net Subject: [Openstack] Openstack Version (Essex or Folsom) Hi 1) How I can check which Release of Openstack I am using. 2) I want to boot instance on specific compute-node using this command nova boot --image <uuid> --flavor m1.tiny --key_name mykey --availability-zone nova:server2 but its not working. What is the correct way to do this? Best Regards, Umar -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20130106/4405a838/attachment.html>