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How to migrate a VM from one host to another

Hi,

We are working on a student project to show how VM migration works in openstack. We installed a fresh copy of Ubuntu 14.04 in VM workstaion followed by installtion of openstack through cloning devstack from git.

When we are trying a create a new VM using images, we are facing the following issues

  1. When trying to start a VM, we get the following error "No valid host was found. There are not enough hosts available." Here is the snapshot of the available hosts alt test

  2. We have a single host "ubuntu" and a single compute node in openstack. How can we perform migration if we have only one host available? Need help.

Thanks

Nirupama.