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[Vishvananda Ishaya <vishvananda@xxxxxxxxx>]

The ability to clone an image to a volume was only recently added to cinder, so there is no automatic clone on boot in horizon yet. You will have to manually create a volume from an image and then boot from it.

For older versions of openstack, the instructions are here:

http://docs.openstack.org/trunk/openstack-compute/admin/content/boot-from-volume.html

In folsom you can skip the mount and copy step and just create a volume directly from an image:

IMAGE_ID=f4addd24-4e8a-46bb-b15d-fae2591f1a35
cinder create --image-id $IMAGE_ID --display-name my-volume 10
VOLUME_ID=<uuid from above command> 
$ nova boot --image $IMAGE_ID --flavor 2 --key_name mykey --block_device_mapping vda=$VOLUME_ID boot-from-vol-test

Vish

On Oct 22, 2012, at 4:02 AM, Egoitz Aurrekoetxea Aurre <egoitz@xxxxxxxxxxxxx> wrote:

> Good morning,
> 
> I have noticed I was confused about the volume concept and booting from volume. I was thinking, when I clicked in Horizon "boot from volume" AND selected an HVM image (located at glance) that image was being dumped to the volume, and following times that volume would be able to boot by it's own. But have seen when I terminate de instance I'm not getting my purpose and I'm not able to later boot from that volume with preserved changes (configs and so)…. How could I manage for getting my goal??. We're used to use the vms with XenCenter and then I was able to stop a vm and later to boot it. I'm looking for a similar manner with Openstack. I though I was get my goal by selecting booting from volume AND launching and image….
> 
> Any help would be very appreciated,
> Best regards
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