> 
> I get this while attempting to make a new filesystem:
> 
> vax# newfs sd0a
> write error: 409791
> wtfs: Undefined error: 0
> 
> 3 partitions:
> #        size   offset     fstype   [fsize bsize   cpg]
>   a:   409792        0     4.2BSD     1024  8192    16   # (Cyl. 0-1347)   
> 
Yes, it looks like your partition is bigger than the disk. Try to
shrink it a bit.

-- Ragge