The 2G test is never valid. That was a facetious suggestion. It is possible to run a 32-bit system in > 2G and just not use the storage above the 2G limit, or as the earlier releases of VM did, use it to support guests. And it is possible to run a 64-bit system in 2G or less.
If it is MVS instead of z/OS, that might be a valid test. Was anything actually named MVSx ever 64-bit? Not having to support an MVS guest since 1985, I do not know. Even then, it is no help for those who are supporting guests other than of the MVS - z/OS variety. You may have a SHARE requirement. I do not imagine that the programming will be rocket surgery. All of the red tape and process will likely be worse by orders of magnitude. Regards, Richard Schuh -----Original Message----- From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] On Behalf Of Lee Stewart Sent: Friday, August 10, 2007 12:08 PM To: IBMVM@LISTSERV.UARK.EDU Subject: Re: Guest in 31 or 64 bit? Thanks for all the responses... My CP is in 64 bit (both from IPL and Q CPLEVEL), but it would be since my hardware is 64 bit capable. The question was really if some or all of the MVS (sorry z/OS) guests were running in 64 bit mode. And here the 2G test isn't valid -- they are all test & development and all are less than 2G... Oh well, Thanks, Lee McKown, John wrote: >> -----Original Message----- >> From: The IBM z/VM Operating System >> [mailto:[EMAIL PROTECTED] On Behalf Of Wakser, David >> Sent: Friday, August 10, 2007 12:36 PM >> To: IBMVM@LISTSERV.UARK.EDU >> Subject: Re: Guest in 31 or 64 bit? >> >> >> I see that on a 5.1 machine you can retrieve it as: >> >> q cplevel >> z/VM Version 5 Release 1.0, service level 0402 (64-bit) >> >> David Wakser >> InfoCrossing > > I think the OP wanted something run from a CMS user which would be like: > > #CP Q BITNESS guest > > with a response like: > > guest IS RUNNING IN 64 BIT MODE > > or > > guest IS RUNNING IN 31 BIT MODE > > -- > John McKown > Senior Systems Programmer > HealthMarkets > Keeping the Promise of Affordable Coverage > Administrative Services Group > Information Technology > > The information contained in this e-mail message may be privileged > and/or confidential. It is for intended addressee(s) only. If you are > not the intended recipient, you are hereby notified that any disclosure, > reproduction, distribution or other use of this communication is > strictly prohibited and could, in certain circumstances, be a criminal > offense. If you have received this e-mail in error, please notify the > sender by reply and delete this message without copying or disclosing > it. > -- Lee Stewart, Senior SE Sirius Computer Solutions Phone: (303) 798-2954 Fax: (720) 228-2321 Email: [EMAIL PROTECTED] Web: www.siriuscom.com
