> > I figured it might create ever bigger problems
> > (from an admin point of view, not the os) to mix the
> > filsystems.
>
> Why?  Filesystems are distintively separate modules.  The
> Virtual Filesystem (VFS) subsystem ensures part of that too.

That other admins might try to force fsck.reiserfs on a ext3 partition for instance (or even worse things for that matter).

There ARE other admins in the world but us you know. ;)

Regards,
Harald