Some related or otherwise interesting Features parameters in the SYSTEM CONFIG are Set_Devices and New_Devices_Initialized_When_Added.
Regards, Richard Schuh > -----Original Message----- > From: The IBM z/VM Operating System > [mailto:[EMAIL PROTECTED] On Behalf Of Alan Altmark > Sent: Tuesday, July 29, 2008 10:38 AM > To: IBMVM@LISTSERV.UARK.EDU > Subject: Re: dynamic define of 3590s > > On Tuesday, 07/29/2008 at 12:56 EDT, [EMAIL PROTECTED] wrote: > > I attempted to define some new 3590s dynamically on some > chpids that > > are > in > > our IOCP but don't have any devices on them. I got this > error message: > > > > cp define cntlunit e00 type s4 shared unit_address 00-ff path 2d 2f > > css > 0 > > HCPCCO6816E Dynamic I/O changes are not allowed on this system > > > > this is zVM 4.4 on a Z9 so I think it is capable of dynamic > definitions. > > > what is preventing the dynamic define? is the IOCP not generated > correctly to > > allow for dynamic changes? > > Turn on dynamic I/O dynamically :-) by using SET DYNAMIC_IO > ON. The initial setting is in SYSTEM CONFIG, FEATURES > DYNAMIC_IO. You can also disable the SET DYANAMIC_IO command > there, too. > > You may still find that there is no room in the IOCDS because > you didn't use the DYN option on IOCP, but that's not what's > stopping you at this point. > > Alan Altmark > z/VM Development > IBM Endicott >
