On Fri, 24 Oct 2025 19:41:22 +0000, Watkins, Philip S. wrote: >Running an unsupported operating system 1.13 on a Z9 processor. No SYSPLEX >timer installed. > Does your system implement CVTLDTO?: <https://www.ibm.com/docs/en/zos/3.2.0?topic=iar-cvt-information> If so, what value appears there?
>We are coming up on the time falling back the first Sunday in November. We >have a slight problem. >We are not able to shutdown and IPL the system to wait an hour but need to >change the time. We are thinking possibly >that issuing the TIMEZONE W.05.00.00 or set CLOCK=hh.mm.ss commands should do >the trick. > This problem was solved long ago: <https://www.iana.org/time-zones> Inexplicably, IBM shuns that solution, almost pervasive elsewhere. NIH? >We do plan on shutting down all online systems, logger files along with SMF. >Not sure about SYSLOG or how OMVS will >handle the situation. > >Any suggestions or gotchas we might be missing? -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
