> > I tried to null out the MBR with the BETA7 fixit CD with the follwoing=20 > command: > dd if=3D/dev/zero of=3D/dev/ad0 count=3D16 > > After that fdsik still showed me a valid partition tabel! > How? Does GEOM map the beginning of the raw device? Was it getting it from the in-memory informatino? ////jerry > > Thank you in advance, >