The vary off/on should work. At least they do for regular CPs. During the busiest time of year for the TPF Development group, we frequently have to provide two engines to be dedicated to a native TPF test system. We vary them off, the native LPAR is activated, and the tests are run, the native LPAR is deactivated, and we vary them back on. This happens two or three times per week for three months almost (there has been 1 of the last 13 years that we didn't) every year. We have never had any problems with it.
Regards, Richard Schuh > -----Original Message----- > From: The IBM z/VM Operating System > [mailto:[email protected]] On Behalf Of Steve > Sent: Wednesday, July 14, 2010 12:11 PM > To: [email protected] > Subject: Vary off IFL processor > > I have 2 IFL processor on my zVM 5.4 LPAR. I dynamically > varied the 2nd = > > (PROCESSOR 01/ALTERNATE) online recently and now need to vary > it back offline. > > q processor exp > PROCESSOR 00 MASTER IFL > PROCESSOR 01 ALTERNATE IFL > PARTITION MODE LINUX-ONLY > > Will I need to shutdown/re-IPL my z/VM lpar to take the 2nd > IFL (processo= r > 01) offline or can I put a VARY OFFLINE against PROCESSOR 01 > (2nd IFL) to= > > let any work dispatched to it complete before it goes offline? > > > Thanks, > Steve. >
