That is what I would expect. Thanks for the confirmation. Regards, Richard Schuh
> -----Original Message----- > From: The IBM z/VM Operating System > [mailto:[email protected]] On Behalf Of Alan Altmark > Sent: Thursday, December 17, 2009 10:44 AM > To: [email protected] > Subject: Re: Crypto Engines > > On Thursday, 12/17/2009 at 12:32 EST, "Schuh, Richard" > <[email protected]> > wrote: > > I have been asked (cut-and-paste from orig. note), "Is there any > drawback to > > having the Crypto engines active on a processor even if > they won?t be > used > > there?" This was in relation to a z10 that will be > installed in January. > Being > > as naive in the care and feeding of the Crypto facilities > as the one > > who > asked > > the question, I thought it best to ask those who might know > the answer > or, at > > least, the questions that I should ask in return. My first guess is > > that > if a > > crypto card is installed but unused, it will not have a deleterious > affect on > > the performance of the system, but will affect the pocketbook. > > An unused crypto domain (queue) is a quiet crypto domain. > Aside from the control blocks that describe an assigned > crypto domain, there is no impact to the system. > > Alan Altmark > z/VM Development > IBM Endicott >
