[openstack-dev] [Nova] Boot from ISO feature status

Daniel P. Berrange berrange at redhat.com
Tue Jul 29 09:03:53 UTC 2014


On Mon, Jul 28, 2014 at 09:30:24AM -0700, Vishvananda Ishaya wrote:
> I think we should discuss adding/changing this functionality. I have had
> many new users assume that booting from an iso image would give them a
> root drive which they could snapshot. I was hoping that the new block
> device mapping code would allow something like this, but unfortunately
> there isn’t a way to do it there either. You can boot a flavor with an
> ephemeral drive, but there is no command to snapshot secondary drives.

The new block device mapping code is intended to ultimately allow any
disk configuration you can imagine, so if a desirable setup with CDROM
vs disks does not work, do file a bug about this because we should
definitely address it. 

Regards,
Daniel
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