On Mon, Aug 12, 2013 at 09:54:59AM +0200, Valerio Pachera wrote: > After I've been taking the snapshot of vdi 'backup', write speed went > from 15 to 6/7 M/s and it doesn't change even if I rewrite multiple > times a file. > I also tried to remove the snapshot and rewrite the same file several > time and the speed is still 6/7 M/s (except once). > Am I misunderstanding 'only first write will be slowed down'? > No. It seems something goes wrong. I'll check it. Thanks Yuan |