For those folks that have missed our webcast on using OpenStack Compute with NexentaStor for managing VM volumes, recording is below.
Please note, you can download the NexentaStor driver for OpenStack here: http://www.nexentastor.org/projects/osvd/files.
You can also read additional information about this project here: http://wiki.openstack.org/NexentaVolumeDriver
If you need help installing / troubleshooting the Nexenta driver for OpenStack, please do contact us.