On 3/24/10 3:40 PM, "Alan Altmark" <alan_altm...@us.ibm.com> wrote:
> When giving guests access to real cyl 0, I suggest: > 1. If using a full-pack mindisk, use the DEVNO version instead of volser. > That way it doesn't matter if the guest changes the label. Doesn't that also bind you to specific device addresses? > 2. Use the various xxx_AT_IPL options in SYSTEM CONFIG to control the > RDEVs that your system will use for CP-owned and user volumes listed in > SYSTEM CONFIG. Once the system is up, have AUTOLOG1 bring any remaining > dasd volumes online. The purpose of these actions is to prevent CP from > grabbing the wrong volume at IPL. Also good comment.