2013/6/25 Valerio Pachera <sirio81 at gmail.com>: > I'm getting different value, between 40 and 110 MB/s It seems I'm stuck between 30 and 40 MB/s. I can't repeat 100 or more MB/s. Setting io-scheduler and/or max_sectors_kb doesn't seem to affect significantly the performance. Without virtio it's a bit slower, sometime under 30 MB/s.