My humble opinion:
Everybody who want or really need PDSE v2 will create such dataset
explicitly by specifying DSNTYPE=(LIBRARY,2). That's OK.
You want to create PDSE v2 by default. This is the best way to find out
which system components or application still not tolerate new PDSE
flavour. But this is hard way. It can be nice when application will
refuse to open new dataset, but things may go worse way when the problem
occur in the middle of "landing the plane".
BTW: The only case when I needed PDSE v2 was huge PTF (for WAS), which
exceeded the limit of member size of SMPPTS. However it was before PDSE
v2 was born so I switched to plain old PDS.
PDS members are not limited in size, however PDS itself is limited to
64k TRK which is much less that limit of member size for PDSE v2.
And I'm still missing two things:
1. Multi-volume PDSE.
2. PDSE sharing across the sysplex.
It can be even "by command" sharing like "F PDSE=SYS1.TEST1,CLOSE" on
one system to be able to open it on another system.
It is much better than educate folks to not share PDSE's.
--
Radoslaw Skorupka
Lodz, Poland
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