> 
> 1. When I boot my system, it complains about "old BSD partition ID" a
> few times.  I know this is because I've still got 165 (0xa5) instead of
> 169 (0xa9), but how do I change it without losing any data?

pfdisk will change partition ID's

> 
> 2. I've got a 2nd SCSI disk on my system.  I've run fdisk (both from DOS
> and under NetBSD), but still disklabel complains that the label is
> "fictitious" and refuses to write out a new one.  It (disklabel) says to
> use "disklabel -r" to write the initial label, but that doesn't work,
> nor does it make sense.

pfdisk will put together partitions also. 

Jeff