The function is called "boot from volume."

In Horizon, the Launch Instances dialog will show you a boot from volume
section where you can select the volume to boot from.  Note that you may
need a volume to exist for it to show.

Alternatively, you can use the CLI.  See
https://lists.launchpad.net/openstack/msg05284.html

Michael

-------------------------------------------------
Michael Fork
Cloud Architect, Emerging Solutions
IBM Systems & Technology Group



From:   David Wragg <da...@rabbitmq.com>
To:     openstack@lists.launchpad.net,
Date:   04/24/2012 08:03 AM
Subject:        [Openstack] EBS-backed AMIs on nova: how?
Sent by:        openstack-bounces+mjfork=us.ibm....@lists.launchpad.net



Hi all,

The feature comparison matrix at
<http://wiki.openstack.org/Nova/APIFeatureComparison> has a row labelled
"AMI's backed by EBS", which suggests to me that there is a way to have
nova-compute start a VM with its root store managed by nova-volume.  But
I haven't been able to find anything that shows how to achieve this.
Can anyone provide a pointer?

Thanks,
David

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