> Once a disk has been formatted and reserved under CMS - you don't need to > DASDFMT it under Linux, do you? Just mke2fs?
Right. Unfortunately the folks at RedHat had incomplete guidance on how this works, so their installer wants to format the disks in the new MVS-style format. I believe their previous installer did support it. Except for the option to use diagnose I/O, most of the other motivation to use reserved disk are satisfied with OS formatted disks too (you can see they're in use, and a VM based backup program can perform a physical backup of the data. Rob
