> Unfortunately, you loose support for V=F guests on the z990. With the > complexity of the I/O subsystem (two logical channel sets, 512 > channels) LPAR mode became mandatory to manage the environment. If you > have images that really require the level of performance provided by > V=R/V=F support, you should probably run those directly in an LPAR. > With 30 LPARs, you have support for more "native" systems than before.
Jim ... I don't like where this is going. But then, I'm a purist: I see what VM offers and find little value in "VM in the hardware" other than to sell to those customers who either have the rare real problem with VM support or the stereotypical allergy to it. (Can't make people LIKE something.) I have been bothered by lack of "basic mode" for the past couple years. Maybe this is not a problem, since I hear few customers complaining. But then perhaps there just are not enough customers who have been "hit" by the issue like Jan has. 30 LPARs is great, and probably serves a great number of customers. But 30 LPARs lose a whole shipload of other value that VM offers, that I don't need to enumerate, preaching to the choir this is. "Bring Back Basic" (mode, not prog lang) Lose LPAR ... Purge us of PR/SM. -- R;
