On Sun, 12 Jun 2022 16:15:11 -0400, Don Leahy wrote:

>Yes, ISPF stats are too easily manipulated to be reliable.   I regard them
>as a convenience and would not try to use them for serious source control
>purposes.
> 
Here, I laud SMP/E for employing relations in a VSAM data base rather
than file timestamps (as "make" uses), which are often chaotic, or in the
case of classic MVS nonexistent.  This is making a virtue of necessity.

>> If I migrate and recall a PDSE with HSM, the original FAMS
>> timestamps are preserved.
>> If I unload and reload that PDSE with IEBCOPY, those timestamps
>> are changed to the time of the reload.

-- 
gil

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