Am Wednesday 29 April 2009 13:11:19 schrieb Paul Brook: > On Wednesday 29 April 2009, Christoph Hellwig wrote: > > On Tue, Apr 28, 2009 at 11:37:01AM -0500, Anthony Liguori wrote: > > > Ah, excellent. I think that's a great thing to do. So do you think > > > virtio-scsi would deprecate virtio-blk? > > > > I don't think so. If you have an image format or a non-scsi blockdevice > > underneath virtio-block avoids the encoding into SCSI CDBs and back and > > should be faster. > > Is this actually measurably faster, or just infinitesimally faster in > theory? If the underlying backing is 4k block size and the emulated scsi disk has 512 byte block size, write performance can be a lot slower. -- 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
