> > I'm trying to install NetBSD over a DEC 5000/200...I've tried with 1.5
> > and only errors occured! Then, I'm trying with new 1.5.1_BETA but with
> > <snip>
> > Beginning Old-Style SCSI......
> > .
> > .
> > rz0 at asc0 drive 0 slave 0 DEC RZ56    DEC rev 0300 (SCSI-1)
> > .
> > .
> > boot device: rz0
> > root on rz0a dumps on rz0b
> > root file system type: ffs
> > /: bad dir ino 10752 at offset 0: mangled entry

This would seem to imply a bad spot on the HD at that location.
Everything loads and goes fine up to that point.

Throw it on a VAX and do a low-level format, or put it up in Ultrix
and run Ultrix MIPS format.

Then try it again.

Bob