IBM Mainframe Discussion List <[email protected]> wrote on 05/12/2009 05:22:03 PM:
> Mark Zelden wrote: > > On Tue, 12 May 2009 19:42:37 +0000, Ted MacNEIL <[email protected]> wrote: > > > > > >>> It was true as Al and Ted wrote, but no longer true with z/OS 1.10. > >>> > >> Don't you still have to have the CP's RSVD in the LPAR profile? > >> > > > > No. > > > > > >> That is a hardware issue rather than a software one. > >> - > >> > > > > Both (as is often the case). It's a z10 (and future) hardware feature > > exploited by z/OS 1.10 or above. > > > > What they don't tell you is that this feature provides a strong > rationale for specifying the following in DIAGxx: > > CbLoc Virtual31(IHALCCA,IHAPCCA) > > z/OS now allocates (at IPL) control blocks to represent the maximum > number of CPs, zAAPs, and zIIPs that could possibly exist for your > processor type. For z10, that's 64--even if you run it only as a > uniprocessor! LCCAs and PCCAs continue to be allocated only for online processors. The LCCA and PCCA vector tables are allocated for the maximum size, but they are only 4 bytes per processor. Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY ---------------------------------------------------------------------- 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
