>From: Tom Guptill <tgpt@pas.rochester.edu>
>
>For some reason, when I try to do:
>
>newfs /dev/rsd0a 
>
>on my 3100, I get a "device not configured" error.  This is with a Quantum
>Prodrive LPS (yes, my vax has a disk I stole from a Mac) that is configured
>as follows:
>
>#        size   offset    fstype   [fsize bsize   cpg]
>  a:   260000        0    unused        0     0       	# (Cyl.    0 - 999)

Change fstype from "unused" to "4.2BSD" and newfs should work.

>cylinders: 1818
>total sectors: 479350
>  c:   479350        0    unused        0     0       	# (Cyl.    0 - 1843*)

Something is wrong with this, your c partition contains more cylinders
than your label says the disk has.  This isn't why newfs isn't working
on your a partition but it will be a problem later on.

--
entropy -- it's not just a good idea, it's the second law.