Eventually I had to change each unit and then do option 1. On Sat, 28 Sep 2024 14:02:50 -0500 Paul Feller <[email protected]> wrote:
:>If I understand your comment/question you would have to actually alter your :>device definitions that you want to have as 31 bit UCBs. At least that is :>how I did it many years ago when I switched to 31 bit UCBs. I basically :>went through the device definition and made sure the LOCANY was set to YES :>and then created a new production IODF. Then go through the process to load :>the new IODF. To my knowledge that is the only way to get the UCBs to be 31 :>bit. :> :> :>Paul :> :>-----Original Message----- :>From: IBM Mainframe Discussion List <[email protected]> On Behalf Of :>Binyamin Dissen :>Sent: Saturday, September 28, 2024 12:40 PM :>To: [email protected] :>Subject: Re: Which option(s) tells zOS to use 31 bit UCB addresses? :> :>Thank you for your concern. :> :>But the issue is still how to make the change. :> :>On Fri, 27 Sep 2024 10:51:09 -0500 Paul Feller :><[email protected]> wrote: :> :>:>If I may, one thing to keep in mind. The UCB is located in the SQA or :>ESQA. :>:>So, depending on how many devices you have setting LOCANY to YES could :>have :>an impact on your ESQA area. This is also something to think about :>at IPL :>time. I believe there is a time thing related to when the UCBs are :>loaded :>and the full ESQA is allocated. That is part of the reason I added :>the :>INITSQA parameter to the LOAD member for my lpars. :>:> :>:>The full write up for INITSQA can be found in the MVS Initialization and :>:>Tuning Reference. Also in that manual is some information related to what :>:>happens with SQA/ESQA related to UCBs and the IPL process. :>:> :>:> :>:>Paul :>:> :>:>-----Original Message----- :>:>From: IBM Mainframe Discussion List <[email protected]> On Behalf :>Of :>Binyamin Dissen :>:>Sent: Friday, September 27, 2024 7:03 AM :>:>To: [email protected] :>:>Subject: Re: Which option(s) tells zOS to use 31 bit UCB addresses? :>:> :>:>OK, I created a HCD.PROFILE and specified the option. :>:> :>:>/* ****************************************************************** */ :>:>/* */ :>:>/* HCD Profile */ :>:>/* Created : 2024-09-27 14:57:36 by user : B1D */ :>:>/* */ :>:>/* ****************************************************************** */ :>:>/* ****************************************************************** */ :>:>/* */ :>:>/* HCD Profile Section for Standard Profile Options */ :>:>/* */ :>:>/* ****************************************************************** */ :>:>OS_PARM_DEFAULT = LOCANY,YES :>:> :>:>What steps are required before the IPL? :>:> :>:>1. Build production I/O definition file :>:>2. Build IOCDS :>:>3. Build IOCP input data set :>:>4. Create JES3 initialization stream data :>:>5. View active configuration :>:>6. Activate or verify configuration :>:> dynamically :>:>7. Activate configuration sysplex-wide :>:>8. (no longer supported) :>:>9. (no longer supported) :>:>10. Build I/O configuration data :>:>11. Build and manage processor cluster :>:> IOCDSs, IPL attributes and dynamic I/O :>:> changes :>:>12. Build validated work I/O definition file :>:> :>:>On Fri, 27 Sep 2024 18:07:34 +1000 Attila Fogarasi :>:><[email protected] :>:><mailto:[email protected]> > wrote: :>:> :>:>:>HCD specifying LOCANY yes. Note z/OS provides "captured UCB" which :>gives :>:>:>24 bit view of the 31 bit UCB to allow old programs to work (IOSCAPU :>:>:>macro). Works surprisingly well. :>:>:> :>:>:>On Fri, Sep 27, 2024 at 1:21?AM Binyamin Dissen < :>:>:>[email protected] :>:><mailto:[email protected]> > wrote: :>:>:> :>:>:>> Went thru the Init & Tuning Reference and no luck. :>:>:>> :>:>:>> -- :>:>:>> Binyamin Dissen <[email protected] :>:><mailto:[email protected]> > :>> http://www.dissensoftware.com :>:>> :>:>> Director, Dissen Software, Bar & Grill - Israel :>> :>> :>:>---------------------------------------------------------------------- :>:>:>> For IBM-MAIN subscribe / signoff / archive access instructions, :>> :>send :>email to [email protected] <mailto:[email protected]> :>with :>the message: INFO IBM-MAIN :>> :> :>:>:>---------------------------------------------------------------------- :>:>:>For IBM-MAIN subscribe / signoff / archive access instructions, :>send :>:>email to [email protected] <mailto:[email protected]> with :>:>the message: INFO IBM-MAIN -- Binyamin Dissen <[email protected]> http://www.dissensoftware.com Director, Dissen Software, Bar & Grill - Israel ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
