Frank Bonnet wrote: > I'm trying to add a partition to an existing disk at 5.4-R > on a HP XW 4200 (SATA) > > FDSIK fail with an error message "cannot write ..." > > The "bizarre" thing is I have installed this machine > from CDROM and partitionning the disk was OK ... Set kern.geom.debugflags=16 with sysctl to allow writing the MBR temporarily. Björn