I just discovered something about PDS/Es that I don't remember being discussed. 
 This discussion inspired me to copy my JCL PDS to a PDS/E on one of my 
accounts.  Notice that the % full went from 62 to 95%.  I used the same 
blksize.  I figured that since the PDS was 62% full, I'd make the PDS/E 2 
cylinders less.  Here are the results:

 Tracks  %     XT Device  Dsorg Recfm Lrecl Blksz
------------------------------------------------
   $IQLG.JCL.CNTL                               
   120  62     1 3390     PO   FB       80  7520
------------------------------------------------
   $IQLG.JCLN.CNTL                              
   120  95     2 3390     PO-E FB       80  7520

That's almost a third more space used.  Any comments?  I'm sure there are a few 
who know why that is out there.  This PDS has just over a thousand members.

Eric 

--
Eric Bielefeld
Systems Programmer
IBM MVS Technical Services
Dubuque, Iowa
563-845-4363

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