David, Given that you must have synchronous remote copy running against your SORTWKnn datasets I absolutely agree. Having to Remote Copy your SORTWKnn datasets so that Hiperswap will operate will degrade performance many magnitudes greater than turning CFW off in the controller.
Ron > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On > Behalf Of David Betten > Sent: Friday, 24 February 2006 11:22 PM > To: [email protected] > Subject: Re: CFW and DFSORT > > I apologize, my earlier append was not clear. DFSORT does check and if CFW > is not active in the controller, then the CFW bit is not turned on. Also, > I > would agree that there is a performance benefit of using CFW since you > eliminate the need to write to the NVS. But I have seen many customers > running effectively with CFW=NO. So if you're looking for the high > availability of a GDPS environment and Hyperswap, I don't think disabling > CFW is going to be a show stopper. > > > Have a nice day, > Dave Betten > DFSORT Development, Performance Lead > IBM Corporation > email: [EMAIL PROTECTED] > DFSORT/MVSontheweb at http://www.ibm.com/storage/dfsort/ > > IBM Mainframe Discussion List <[email protected]> wrote on 02/24/2006 > 12:16:15 AM: > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html

