On Fri, Nov 14, 2008 at 11:41:03AM +0100, David Vasek wrote: > I am always getting similar transfer speeds (up to 5MB/s) under OpenBSD > (and the same with NetBSD) with external USB hard disks too, while the > real transfer speed under some other OS's (Linux, Windows) is around 28 > MB/s on the same hardware. I mean, on the very same pieces of hardware, > usually running a different OS from a live CD. As far as I remember, it > is for both reading and writing. > > It seems to me to be by design of umass(4) or other USB drivers. There > must be reason for it.
i think linux "lies" about it finishing the write, try for example writing a big-ish file to usb disk and than umounting the volume, it will take aprox. the same time as doing those two operations on OBSD.
