While exceeding 4 GB may be the usual reason for needing EA, it also provides 
some other functionality, such as partial release of space.  But if you don't 
know why the other datasets are EA then it is hard to determine whether these 
need to be changed or not.

> -----Original Message-----
> From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU]
> On Behalf Of O'Brien, David W. (NIH/CIT) [C]
> Sent: Sunday, April 07, 2013 1:23 AM
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Re: Change dataclass for existing DB2 datasets for V10
>
> Clark, Barry,
>
> Thank you for responding. So the 'requirement' for EA is only a
> requirement for those 01 and 06 files which exceed 4GB. That makes
> sense. I suspect none of them are even close.

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