Bill,

You are right, that's deadly relevant.  Thank you for finding that (we
opened an ETR with the COBOL folks, thinking we'd found a bug, but they
didn't quote that passage back to us...) 

We were under the impression, however, that specifying any AMP= parm in the
JCL would override system managed buffering. (In this case, the DD had
AMP=('BUFNI=50,BUFND=10').)  Have we misunderstood?  

Greg Shirey
Ben E. Keith Company


-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED]
Behalf Of Bill Klein
Sent: Wednesday, August 10, 2005 6:05 PM

<snip> 

HOWEVER, (after finding all of that), I found what I think is MOST relevant
in the latest Enterprise COBOL V3R4 manual (with revision bars indicating it
is new). From:

http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/igy3pg30/1.10.3.2
.1 

" When you are loading an extended-format VSAM data set, file status 30 will
occur on the OPEN if DFSMS system-managed buffering sets the buffering to
local shared resources (LSR). To successfully load the VSAM data set in this
case, specify ACCBIAS=USER in the DD AMP parameter for the VSAM data set to
bypass system-managed buffering." 

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