Subject: Installing Decstation 3100, problem
To: bob evinger <revinger@marshallonline.com>
From: Jonathan Stone <jonathan@DSG.Stanford.EDU>
List: port-pmax
Date: 10/27/1998 18:39:02 
The instructions (both sets, it seems) are missing a "/".

You need to do
    mount /dev/rz0b /

and then it will work.  Note there's anohter typo; rzX2c should be
just rzXc.