If you share with a user outside your own LPAR, you need real Reserve/Release, not virtual. The virtual is for when you have multiple guests running in the same LPAR, under the same CP, who need the Reserve/release. Virtual reserve/Release will do nothing to prevent clashes with other LPARs.
Regards, Richard Schuh > -----Original Message----- > From: The IBM z/VM Operating System > [mailto:[EMAIL PROTECTED] On Behalf Of Rob van der Heij > Sent: Thursday, April 10, 2008 11:04 AM > To: IBMVM@LISTSERV.UARK.EDU > Subject: Re: Ten Questions to ask a Prospective z/VM Systems > Programmer > > On Thu, Apr 10, 2008 at 7:54 PM, Thomas Kern > <[EMAIL PROTECTED]> wrote: > > Virtual Reserve/Release - Allowing two or more MVS-type guests to > > properly share DASD in write-mode. > > The subtle details are in where the V goes (on the MDISK > statement, not on the link) and why this sometimes requires a > full pack mini disk... (when you share the disk with systems > outside your z/VM LPAR). > > Rob >
