Hi Stackers, I would like to advertise a feature, and a blueprint, that enables to use sparse images with XenAPI using a supported interface. The download part is ready, and waiting for review: https://review.openstack.org/#/c/40708/ https://review.openstack.org/#/c/40906/ https://review.openstack.org/#/c/40907/ https://review.openstack.org/#/c/40908/ https://review.openstack.org/#/c/40909/ The blueprint could be found here: https://blueprints.launchpad.net/nova/+spec/xenapi-supported-image-import-export I think the canges are self-contained and small. If you want to try it out: (assuming you have a raw disk image called 0.raw - I was using a cirros image): cd /opt/stack/devstack/ . openrc admin tar -czf raw-stuff.tgz 0.raw glance image-create --name raw-in-tgz \ --container-format=ovf --disk-format=raw < raw-stuff.tgz nova boot --flavor m1.tiny --image raw-in-tgz raw-instance To boot it as PV, set some metadata: glance image-update raw-in-tgz --property vm_mode=xen Any review is appreciated. -- Mate Lakat