> -----Original Message----- > From: VM/ESA and z/VM Discussions > [mailto:[EMAIL PROTECTED] On Behalf Of Phil Tully > Sent: Thursday, November 10, 2005 2:14 PM > To: [email protected] > Subject: Re: Does z/VM support multiple processors > > > John Kaba wrote: > > >We are currently running z/VM 4.4 on a 9672 with an IFL also > running z/VM > >4.4 and Linux. We need more processing power, and are > wondering that if we > >upgrade our machine, or buy a z box of some sort, can we > utilize multiple > >processors under a single VM? We used to run on a 4381 > which was a dual > >processor box, and when we would issue an IND it would show both > >processors, but ever since we moved to our 9672 we just show > the single > >processor. For example, our current machine is rated at 116 > mips, and we > >would like to move to a multi processor z/800 with 499 mips. > Would we get > >the full 499 mips under a single image of VM? > > > >John Kaba > >Fort Hays State University > > > > > > > Yes, z/VM supports multiple processors. I believe in 4.4 > the limit was > 15, with 5.2 I believe it is 32. > > Phil
Just to update slightly. You can run z/VM on multiple processors OF THE SAME TYPE! That is, if you have both CPs (general purpose processors, like for z/OS) and IFLs (z/VM and/or z/Linux use only, no z/OS), you cannot run both CPs and IFLs with the same z/VM instance. You can have one z/VM control all the CPs in one LPAR and a separate z/VM run the IFLs in a separate LPAR. You cannot assign a CP and an IFL to a single LPAR. And, just to be silly, you cannot run a single instance of z/VM on multiple LPARs (although you can share some of the z/VM DASD volumes, if you know how - I don't know how). -- John McKown Senior Systems Programmer UICI Insurance Center Information Technology This message (including any attachments) contains confidential information intended for a specific individual and purpose, and its' content is protected by law. If you are not the intended recipient, you should delete this message and are hereby notified that any disclosure, copying, or distribution of this transmission, or taking any action based on it, is strictly prohibited.
