Is it same procedure for WLMCDS too ? On Tue, 6 Jan 2026, 14:09 Mike Schwab, < [email protected]> wrote:
> To swap sysplex data sets, Define new datasets. Use capacity tool for > sysplex data sets to determine needed size, or define as twice the > actual current used amounts. Use new datasets with the first IPL on > the new level, then have other IPLs on the new system join the sysplex > using the new datasets. To fall back, IPL with old datasets. > > On Tue, Jan 6, 2026 at 12:53 AM Peter > <[email protected]> wrote: > > > > Hello > > > > During the upgrade of zos 3.1, I got this below mesaage as . I believe > the > > CDS was not formatted correctly to the level of zos 3.1 > > > > Ours is a monoplex. Is there a way to upgrade the current couple from > z/OS > > 2.4 to z/OS 3.1 > > > > IXC255I UNABLE TO USE DATA SET > > > > SYS1.XXXX.XCFCDS1 > > > > AS THE PRIMARY FOR SYSPLEX: > > > > > > IT WAS CREATED AT A FORMAT LEVEL LOWER THAN THIS SYSTEM REQUIRES > > > > > > > > Regards > > Peter > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, > > send email to [email protected] with the message: INFO IBM-MAIN > > > > -- > Mike A Schwab, Springfield IL USA > Where do Forest Rangers go to get away from it all? > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
