I think the very first thing you should change is use the raw device in OpenBSD (/dev/rsd0c) and that should speed things up a bit.
Jason On 12/15/05, chefren <[EMAIL PROTECTED]> wrote: > Wiping identical 18GB SCSI disks on same Dell 1750 machine: > > > OpenBSD 3.8: > > dd if=/dev/zero of=/dev/sd0c bs=1024k > > 6MB/s > > > Linux 2.4: > > dd if=/dev/zero of=/dev/sda bs=1024k > > 53MB/S > > > > Any clue about the difference? Of course I'm also interested in > different ways to do this but the difference is what puzzles me. > > +++chefren
