Is this what you're looking for? https://blueprints.launchpad.net/nova/+spec/disk-configuration-parity
A. > -----Original Message----- > From: openstack-bounces+armando.migliaccio=eu.citrix....@lists.launchpad.net > [mailto:openstack- > [email protected]] On Behalf Of > Alessio Ababilov > Sent: 17 January 2012 16:12 > To: [email protected] > Subject: [Openstack] Is m1.tiny instance type supported for Xen? > > Hi! > > OpenStack Nova allows to run instances with local_gb = 0 for m1.tiny > instance type if libvirt is used. As I see, m1.tiny is not supported > when using Xen. Am I right? > > I think it would be better to unify behavior for different backends. > > Here are code examples. > > Generic code allows local_gb == 0 (nova/compute/manager.py): > > # NOTE(jk0): Since libvirt uses local_gb as a secondary > drive, we > # need to handle potential situations where local_gb is 0. > This is > # the default for m1.tiny. > if allowed_size_gb == 0: > > Libvirt backend handles m1.tiny in special way > (nova/virt/libvirt/connection.py): > > if inst_type['name'] == 'm1.tiny' or suffix == '.rescue': > size = None > > Xen backend just checks the size (nova/virt/xenapi/vm_utils.py) > > @classmethod > def _check_vdi_size(cls, context, session, instance, vdi_uuid): > size_bytes = cls._get_vdi_chain_size(context, session, vdi_uuid) > > # FIXME(jk0): this was copied directly from compute.manager.py, > let's > # refactor this to a common area > instance_type_id = instance['instance_type_id'] > instance_type = db.instance_type_get(context, > instance_type_id) > allowed_size_gb = instance_type['local_gb'] > allowed_size_bytes = allowed_size_gb * 1024 * 1024 * 1024 > > LOG.debug(_("image_size_bytes=%(size_bytes)d, allowed_size_bytes=" > "%(allowed_size_bytes)d") % locals()) > > if size_bytes > allowed_size_bytes: > LOG.info(_("Image size %(size_bytes)d exceeded" > " instance_type allowed size " > "%(allowed_size_bytes)d") > % locals()) > raise exception.ImageTooLarge() > > -- > Alessio Ababilov > Software Engineer > Grid Dynamics > > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : [email protected] > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp _______________________________________________ Mailing list: https://launchpad.net/~openstack Post to : [email protected] Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp
