On 8/17/2020 4:59 AM, Bill Neiman wrote:
I'm a bit confused by this. CFRMPOL is only relevant when you IPL with a CFRM couple data set (CDS) that has never been used before, so there was no previously-activated policy. It's normally not necessary to update the CFRMPOL statement when you update your CFRM policy, unless you're changing *which* policy you're using. Even then, it only matters if you come up with a new CFRM CDS. The CFRM CDS records which policy was last used, and that's the policy that will be used if you are forced to perform a sysplex-wide IPL. There must be more to this story.
Take a look at software case TS004055963 and hardware PMH 59261,227,000 (and several other related PMHs automatically opened since).
We came up with new CFRM data sets using the CFRM policy specified in CFRMPOL. While up, we switched CFRM policies but did not update CFRMPOL in COUPLExx as we should have (and as my reminder admonishes others to do). We then experienced a CPC failure in the early AM on 8/15 that took down all LPARs and internal coupling facilities. When coming up after the "crash," all of our structures were at the old sizes. Turned out we were running the policy specified in CFRMPOL and not the policy we had switched to prior to the crash. That's when I started this "reminder" thread.
I took my own advice and corrected CFRMPOL to reflect our current policy. Good thing I did because we had a second second crash of the same type at 9PM that same day. Coming back up after that crash, all structure size are as expected.
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