[libvirt-users] Discard disk changes on shutdown

[Eric Blake]

On 01/16/2015 07:13 AM, Jason Macgowan wrote:
> Hi Everyone,
> 
> I'm trying to start a domain that will discard all changes to its disks on
> shutdown.  I've tried adding <transient/> to the disk declarations in the
> definition xml but this results in a "not supported" error message on
> define.  Is there a way to do this without creating and rolling back
> snapshots?

Not yet - manually running snapshots or using qemu-img to create your
own wrappers is indeed your only option at the moment.  But adding
<transient> support is on my list sometime in the next few months:
https://bugzilla.redhat.com/show_bug.cgi?id=1057800

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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