I've actually looked for this for our RBD backed ephemeral instances, but found the options lacking. I last looked in Juno. On Thursday, October 22, 2015, Tim Bell <Tim.Bell at cern.ch> wrote: > > > Has anyone had experience with setting up Nova with KVM so it has raw > ephemeral disks but qcow2 images for the VMs ? We’ve got very large > ephemeral disks and could benefit from the performance of raw volumes for > this. > > > > Tim > > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-operators/attachments/20151022/17bc6ed3/attachment.html>