On Mon, Jul 25, 2022 at 08:51:42AM -0400, Chris Murphy wrote: > > > On Mon, Jul 25, 2022, at 5:13 AM, Daniel P. Berrangé wrote: > > On Fri, Jul 22, 2022 at 04:03:52PM -0400, Chris Murphy wrote: > >> Is this valid? > >> > >> `<disk device="disk" type="file"> > >> <target dev="vda" bus="virtio"/> > >> <source file="Fedora-Workstation-Rawhide-20220721.n.0.aarch64.raw-xz"/> > >> <driver name="qemu" type="raw-xz" discard="unmap"/>` > >> `/> > >> </disk>` > >> > >> I know type="raw" works fine, I'm wondering if there'd be any problem > >> with type "raw-xz" combined with discards? > > > > This is libvirt configuration, so libvirt-us...@redhat.com is the better > > list in general. That said, what is this 'raw-xz' type you refer to ? > > > > AFAIK, that is not a disk driver type that exists in either libvirt or > > QEMU releases. > > Huh, interesting. I have no idea then. I just happened to notice it in the > (libvirt) XML config that's used by oz. > https://kojipkgs.fedoraproject.org//packages/Fedora-Workstation/Rawhide/20220721.n.0/images/libvirt-raw-xz-aarch64.xml
I don't see 'raw-xz' mentioned anywhere in the Oz code at https://github.com/clalancette/oz was it a fork that's being used ? > I've got no idea what happens if an invalid type is specified in > the config. The VM's are definitely running despite this. I'll ask > oz devs. This is pretty surprising if they're actually running as it should cause a fatal error message error: unsupported configuration: unknown driver format value 'raw-xz' With regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|