According to Romney White of z/VM Design: "z/VM will support OS//390 V2R8 if and only if OS/390 V2R8 is supported on the underlying hardware (regardless of whether z/OS V2R8 is still in support).
Romney" I would take this to mean that as long as you can run OS/390 2.5 natively on the z800, you should be able to run it under any version of z/VM. Wayne Driscoll Product Developer NOTE: All opinions are strictly my own. -----Original Message----- From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] On Behalf Of Wandschneider, Scott Sent: Tuesday, September 30, 2008 11:05 AM To: IBMVM@LISTSERV.UARK.EDU Subject: z/OS Compatibility I am currently running z/VM 4.4 on a 2066-003 with the following OS/390 guests: 4 @ 2.5 1 @ 2.8 2 @ 2.9 5 @ 2.10 Does anybody see a compatibility problem in upgrading to either z/VM 5.3 or 5.4 and running those versions of OS/390? Thank you, Scott R Wandschneider Senior Systems Programmer Infocrossing, a WIPRO Company 11707 Miracle Hills Dr. Omaha, NE 68154 Office 402.963.8905
