On Wed, Oct 14, 2009 at 05:54:23PM -0500, Anthony Liguori wrote: > >Historically it didn't and the only safe way to use virtio was in > >cache=writethrough mode. > > Which should be the default on Ubuntu's kvm that this report is > concerned with so I'm a bit confused. So can we please get the detailed setup where this happens, that is: filesystem used in the guest any volume manager / software raid used in the guest kernel version in the guest image format used qemu command line including caching mode, using ide/scsi/virtio, etc qemu/kvm version filesystem used in the host any volume manager / software raid used in the host kernel version in the host > Avi's patch is a performance optimization, not a correctness issue? It could actually minimally degrade performace. For the existing filesystems as upper layer it doesn not improve correctness either. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
