Avi Kivity wrote: > On 06/16/2009 09:32 PM, Jamie Lokier wrote: > >Avi Kivity wrote: > > > >>Another issue is enumeration. Guests will present their devices in the > >>order they find them on the pci bus (of course enumeration is guest > >>specific). So if I have 2 virtio controllers the only way I can > >>distinguish between them is using their pci slots. > > > >virtio controllers really should have a user-suppliable string or UUID > >to identify them to the guest. Don't they? > > virtio controllers don't exist. When they do, they may have a UUID or > not, but in either case guest infrastructure is in place for reporting > the PCI slot, not the UUID. > > virtio disks do have a UUID. I don't think older versions of Windows > will use it though, so if you reorder your slots you'll see your drive > letters change. Same with Linux if you don't use udev by-uuid rules.
I guess I meant virtio disks, so that's ok. -- Jamie _______________________________________________ Virtualization mailing list [email protected] https://lists.linux-foundation.org/mailman/listinfo/virtualization
