On Wed, 7 Nov 2018 20:19:43 +1100, Andrew Rowley wrote: > >This means that (if your system follows the rules for DST changes) ... > Why should any system choose *not* to "follow the rules"? z/OS has a weird culture.
>... you can apply a timezone to local time values and use the built in Java >time >zone rules to compare with UTC times, or even match times between 2 >systems with different time zones. > I believe the "built in Java time zone rules" are those available as IANA tzdata. So if z/OS doesn't conform to IANA tzdata it's inconsistent with one of its own components. >e.g. >https://static.blackhillsoftware.com/easysmf/javadoc/com/blackhillsoftware/smf/smf30/Smf30Record.html > Are SMF timestamps guaranteed to appear in chronological order? I could imagine concurrent processes' not writing SMF records in the same order in which they obtained the time. Can the SMF log be sorted into chronlogical order? Given the diversity of formats, this presents a challenge. But DFSORT has shown a surprising ability to meet such challenges. -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
