But you might use them as dedicated devices that are shared with outside (of VM) agents. That is the point of making a device shared in the config file or by command - to keep CP from killing channel programs containing RESERVE or RELEASE.
Regards, Richard Schuh > -----Original Message----- > From: The IBM z/VM Operating System > [mailto:[EMAIL PROTECTED] On Behalf Of Alan Altmark > Sent: Thursday, April 10, 2008 1:48 PM > To: IBMVM@LISTSERV.UARK.EDU > Subject: Re: Ten Questions to ask a Prospective z/VM Systems > Programmer > > On Thursday, 04/10/2008 at 04:23 EDT, "Schuh, Richard" > <[EMAIL PROTECTED]> > wrote: > > > Would making the devices unsupported prevent the command rejects on > > reserve and release CCWs? Of course, doing that opens > another can of > > worms. > > If they are unsupported then you cannot use them for > minidisks. You must dedicate them and you must specify > RESERVE_RELEASE YES in SYSTEM CONFIG. > > Alan Altmark > z/VM Development > IBM Endicott >
