Yes you define in the DIRECTORY if a guest will run on an IFL. If you do not change anything, then the guest will run on a CP by default.
On Wed, Jul 14, 2010 at 11:38 AM, Schuh, Richard <rsc...@visa.com> wrote: > Do you not control whether a Linux guest is dispatched on IFLs or regular > CPUs via the directory? If a guest can only run on IFLs and not regular CPUs > because of this, do the license fees increase if a Linux workload is melded > in with a regular workload instead of running it in a separate LPAR? > > When did the IFL become faster than a regular CPU? > > > > Regards, > Richard Schuh > > > > > -----Original Message----- > > From: The IBM z/VM Operating System > > [mailto:ib...@listserv.uark.edu] On Behalf Of Dave Jones > > Sent: Wednesday, July 14, 2010 8:06 AM > > To: IBMVM@LISTSERV.UARK.EDU > > Subject: Re: question to mixed CP an IFL in one LPAR > > > > Franz, the IBM-er is right, you can mix CP and IFL in a > > single LPAR with either z/VM 5.4 or 6.1......if you are > > running 6.1, your system must be a z10. > > > > However, even if it is technically possible to mix engines, I > > generally recommend that you limit your Linux LPARs to IFLs > > only. It guarantees that all work in the LPAR will be > > dispatched on the faster IFL engines, and may have financial > > implications with respect to software licensing charges. > > > > On 07/14/2010 02:34 AM, Franz Josef Pohlen wrote: > > > Hello listers, > > > > > > an IBMer has told me that a mixture of CPs and IFLs in one LPAR are > > > supported on z10 not only with z/VM 6 but also with zVM > > 5.4. Is this > > > correct? I thought that for those environments you must have z/VM 6. > > > > > > > > > > -- > > Dave Jones > > V/Soft > > www.vsoft-software.com > > Houston, TX > > 281.578.7544 > > > -- Mark Pace Mainline Information Systems 1700 Summit Lake Drive Tallahassee, FL. 32317
