>And this has been the way it has worked from the first availability of a >PARM disk. The addition of the PARM disk and SYSTEM CONFIG was a huge >leap forward in flexibility.
Actually it has worked this way since the first VM/XA release. You coded a SYSCPVOL macro in HCPSYS instead of the CP_OWNED statement. You didn't specify a slot number but the slot was implicit in the order you specified the volumes, and it "mattered" :-) John Franciscovich z/VM Development