On 12/14/2024 3:49 PM, David Spiegel wrote:
Hi Ed,
I almost never ACCEPT maintenance, but, what makes "... A
point-in-time restore of their CSIs and target library backups? ..."
insane?
I really never imagined anyone did that. It seems "insane" (to me at
least) because doing that restores *ALL* service installed since the
last backup -- at the very least *everything* in your most-recent
service apply -- rather than just the singleton APAR/PTF that's causing
an issue. After the restore you would need to re-apply *ALL* service
again with an EXCLUDE just for the problem APAR/PTF. Obviously, neither
of those two processes can or should be done on a running system; you're
forced to re-IPL. It seems like a tunna work and extremely disruptive
compared to restoring just a single SYSMOD which can almost always be
done without taking system(s) down (unless the SYSMOD happened to have
an IPL HOLD).
Is this CSI & target library restore what you do if an APAR/PTF causes
an issue? Or do you restore just the bad SYSMOD and its PRE/SUP chain
all the way back to base level (up to five years old!) and then re-apply
the restored SYSMODs again, excluding the problem SYSMOD? Curious minds...
--
Phoenix Software International
Edward E. Jaffe
831 Parkview Drive North
El Segundo, CA 90245
https://www.phoenixsoftware.com/
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