Also ZFS needs to know what is on the guest for example bhyve (the only working hv for bsd currency [vbox kind of also works]) stores the backing store (unless bare metal) as single block file. It is impossible to make that non-opaque to the outside world unless you can run commands on the instance.
On Fri, Jun 13, 2014 at 11:53 AM, Darren J Moffat <darren.mof...@oracle.com> wrote: > > > On 06/13/14 16:37, Daniel P. Berrange wrote: > >> The xenapi implementation only works on ext[234] filesystems. That rules >>> >out *BSD, Windows and Linux distributions that don't use ext[234]. RHEL7 >>> >defaults to XFS for instance. >>> >> Presumably it'll have a hard time if the guest uses LVM for its image >> or does luks encryption, or anything else that's more complex than just >> a plain FS in a partition. >> > > For example ZFS, which doesn't currently support device removal (except > for mirror detach) or device size shrink (but does support device grow). > ZFS does support file system resize but file systems are "just" logical > things within a storage pool (made up of 1 or more devices) so that has > nothing to do with the block device size. > > -- > Darren J Moffat > > > _______________________________________________ > OpenStack-dev mailing list > OpenStack-dev@lists.openstack.org > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > -- Aryeh M. Friedman, Lead Developer, http://www.PetiteCloud.org
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