The structure that increased for us was the RRS RMDATA structure. We went from a zBC12 to a ZR1 so CFLEVEL 18 or so to level 22.
On Fri, Sep 6, 2019 at 11:39 AM Michael Babcock <[email protected]> wrote: > We updated a year or so ago. The only size increase strictly necessary > was one of the RRS structures. Don’t remember which one off the top of my > head. I can check and post back. > > On Fri, Sep 6, 2019 at 7:49 AM Vernooij, Kees (ITOP NM) - KLM < > [email protected]> wrote: > >> What is the source of these figures? In my experience many CF level >> upgrades did not require a structure increment and others had specific >> requirements. E.g. add nn MBs i.s.o. increment by nn %. >> 75% is a guess and in my opinion too much. >> >> We are at level 21 now. If my docs are reliable, the last increase >> required by CF level was at level 15. >> So if level 22 does not require a structure increase, level 17 structures >> are probably OK. >> >> Kees. >> >> > -----Original Message----- >> > From: IBM Mainframe Discussion List [mailto:[email protected]] >> On >> > Behalf Of Mike Schwab >> > Sent: 06 September, 2019 14:34 >> > To: [email protected] >> > Subject: Re: Migration from z114 to z14ZR1, CF structure sizes >> > >> > I would multiply. Example 1.1 * 1.2 * 1.1 * 1.1 * 1.1 = 1.75692 >> > instead of 1.6 by addition. >> > >> > On Fri, Sep 6, 2019 at 12:17 PM Vernooij, Kees (ITOP NM) - KLM >> > <[email protected]> wrote: >> > > >> > > You can ask IBM for the information about CF levels 18 - 22. If >> > structure sizes need to be increased during a CF level upgrade, this is >> > documented with the CF level. Add up the increments and you have a good >> > estimate of the Level 22 sizes. >> > > >> > > Kees. >> > > >> > > >> > > > -----Original Message----- >> > > > From: IBM Mainframe Discussion List [mailto: >> [email protected]] >> > On >> > > > Behalf Of Juergen Kehr >> > > > Sent: 06 September, 2019 13:47 >> > > > To: [email protected] >> > > > Subject: Migration from z114 to z14ZR1, CF structure sizes >> > > > >> > > > Hello, >> > > > >> > > > we’re planning a migration from our z114 to a z14ZR1, therefore we >> > have to >> > > > bring our CF policy from one which supports CFLEVEL=17 to one for >> > > > CFLEVEL=22. >> > > > >> > > > Because of hardware dependencies there is no way to have a z/OS >> system >> > > > which has one CF with the old CFLEVEL and one with the new CFLEVEL >> up >> > and >> > > > running. On the old z114 one we could attach the old CF, on the >> z14ZR1 >> > on >> > > > the new one. But as far as we understand this would be a requirement >> > for >> > > > using the SIZER tool (see CFSizer alternate sizing methods: >> > > > https://www.ibm.com/support/pages/cfsizer-alternate-sizing- >> > techniques). >> > > > >> > > > Using CFSizer in our case would be fairly complicate, because we >> > don’t >> > > > know the input values used in former CFSizer runs to lead to the >> > existing >> > > > values in our policy. Furthermore we can’t reproduce this, because >> > CFSizer >> > > > only supports the current CFLEVEL=23, so we can’t try to reproduce >> the >> > old >> > > > input values for CFLEVEL=17 via looking to the results they produce. >> > > > >> > > > So we urgently would need any good idea, how to get the new >> structure >> > size >> > > > values when migrating from CFLEVEL=17 to CFLEVEL=22. >> > > > >> > > > Thanks in advance for any help. >> > > > >> > > > Kind regards. >> > > > Juergen Kehr >> > > > >> > > > >> ---------------------------------------------------------------------- >> > > > For IBM-MAIN subscribe / signoff / archive access instructions, >> > > > send email to [email protected] with the message: INFO >> IBM-MAIN >> > > ******************************************************** >> > > For information, services and offers, please visit our web site: >> > http://www.klm.com. 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