[libvirt] Ephemeral VM operation

[R P Herrold]

On Fri, 8 Oct 2010, Daniel Veillard wrote:

> On Thu, Oct 07, 2010 at 06:49:05PM -0400, Dave Allan wrote:

>> A number of hypervisors have a mode in which changes made to storage
>> are not persisted across a reboot of the VM.  qemu uses the -snapshot
>> flag; VMware refers to this functionality as non-persistent disk[1].  Is
>> this functionality something that is interesting to libvirt?
>
>  yes I think this is an important use case, it allows for example a
> rather trivial and safe implementation of things like open kiosk
> you may find in public places (or implement a scratch environment
> allowing the kids to play without much risk for a more personal/private
> use :-) !)

but is this the 'right' place to be doing this?  It adds 
complexity

Wouldn't it be simpler simply to make a working copy of a gold 
image in known state and start the copy? -- We follow that 
approach here

-- Russ herrold