Furthermore, even in 2.1, if the parameter is not specified (we do not), the default is 16 for nnnn. That's plenty for us.
. . . J.O.Skip Robinson Southern California Edison Company Electric Dragon Team Paddler SHARE MVS Program Co-Manager 323-715-0595 Mobile 626-302-7535 Office [email protected] -----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of Ed Jaffe Sent: Friday, May 13, 2016 7:49 AM To: [email protected] Subject: (External):Re: Dynamic CPU ADD to a z/OS lpar On 5/13/2016 4:07 AM, Richards, Robert B. wrote: > ... would it be okay to specify a reserve value to all partition profiles > that equals the highest number of CPs that my CBU records allow? > > This would allow for total flexibility of CP assignment to any or all lpars. > In my case, it would also apply to a second set of backup partitions on an > opposing CPC for data center failover capability. That's precisely the behavior you get when you specify 'DYNCPADD ENABLE' rather than 'DYNCPADD nnnn' in LOADxx: www.ibm.com/support/knowledgecenter/SSLTBW_2.2.0/com.ibm.zos.v2r2.ieae200/stpldx.htm <IBM Documentation> When you specify ENABLE, z/OS prepares to dynamically add the smaller of the following: o Highest CPU/core ID the hardware supports o Highest CPU/core ID the z/OS release supports. </IBM Documentation> This is followed by, "IBM® recommends specifying nnnn to avoid allocating CPU/core-related storage for CPUs/cores that will never be dynamically added for the life of the IPL." -- Edward E Jaffe Phoenix Software International, Inc 831 Parkview Drive North El Segundo, CA 90245 http://www.phoenixsoftware.com/ ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
