> He's right in so far as VM is the migration aide for all things Z. > Methinks that Endicott could lift code of Poughkeepsie > conception and drop it into the same EDEV arena: emulated > ECKD with z/VM.
Well said, Rick. That's really the key point -- if VM is to retain the role of premier virtualization widget, it's going to need to handle ECKD emulation for those older systems that don't/can't/won't do SCSI or FBA. I don't see IBM backporting SCSI support to VM/XA, do you? 8-) > > Can this processing be done in some other "special purpose" CP > > (like an IFL or zAAP) so that my OEM software costs are not > impacted > > when I need more "dasd emulation" power? > ... > > Here's a thought: let z/VM use zAAP in the hypervisor for EDEV! > (And John McKown gets credit for the idea.) Other than my instinctive flinch at introducing Java support into CP (give em a break, they just got C working properly, for goodness sake!), it's a darn good idea. If IBM introduced the ability to have different types of CPs in a LPAR, this would be a very interesting (and useful) way to test assigning CP type affinities to CP modules, and really wear out the processor scheduling and dispatching code in CP. ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
