George, are you saying that even AFTER the 14 PTF's for z196 support z/VM 5.4 still runs on a z9? If so that clears up a misconception I had, and also makes life much easier.
Thakns On Wed, Nov 24, 2010 at 2:00 PM, George Henke/NYLIC < [email protected]> wrote: > Been there, done that, bought the T-shirt, wore it, and put it in a draw > never to wear it again.. > > The path of choice given the hardware, software, expiration dates, and > upward and downward compatibility issue is: > > - z/VM 5.4 on z9 > - to z196 with the 14 APARs for 5.4 that support it > - and then move to z/VM 6.whatever > - but not 6.1 which: > - has a shorter expiration than 5.4 > - not much more function to offer than 5.4 > - does not run on a z9 anyway. > > > > > > > > *Tom Huegel <[email protected]>* > Sent by: The IBM z/VM Operating System <[email protected]> > > 11/24/2010 04:32 PM > Please respond to > The IBM z/VM Operating System <[email protected]> > > To > [email protected] > cc > Subject > Re: z/VM 5.1 on z196 > > > > > Thanks Les, that is pretty much what I suspected. The problem is the > upgrade path. We currently have a z9 so 6.1 is not an option on this > machine. > So when the time comes to swap CPU.s what OS can I IPL on the z196 that I > have tested on the z9? > > > > > On Wed, Nov 24, 2010 at 12:23 PM, Les Geer (607-429-3580) <* > [email protected]* <[email protected]>> wrote: > >The question came up today as to whether z/VM 5.1 will run on a z196. I > know > >there are no 5.1 PTF's available for z196 support. > >How about z/VM 5.4, will it run WITHOUT the z196 PTF's?... > >Any guesses? or experiences? > > > > As z/VM 5.1 was never tested on a z196 we cannot provide an outlook of > how it will behave. However, given the nature of changes made to > z/VM 5.4 and 6.1 to support z196, you may encounter unexpected, > undesirable side effects. > > Given upgrading to z/VM 5.4, or better yet 6.1, is straight forward, > why not pursue this avenue rather than rely on knowns? > > Best Regards, > Les Geer > IBM z/VM and Linux Development > >
