I'm still before first coffee, but I would rephrase it:
The BLKSIZE must be 4 more than *usable record length* for a RECFM=V dataset and 8 for a RECFM=VB dataset.
LRECL is (max) record lentgh *including* RDW, not just user data.
Picture:
RDW-user_data.......................
BWD-RDW-user_data................

Regards
--
Radoslaw Skorupka
Lodz, Poland






W dniu 2016-12-16 o 08:22, Vernooij, Kees (ITOPT1) - KLM pisze:
Sorry, I mixed up some things (before the first coffee).
Rewrite:
The BLKSIZE must be 4 more than LRECL for a RECFM=V dataset and 8 for a 
RECFM=VB dataset.
You are right that, although bullet 5 is applicable, it is incorrect or at 
least incomplete. You must be able to SR this.

Thanks,
Kees.

-----Original Message-----
From: Vernooij, Kees (ITOPT1) - KLM
Sent: 16 December, 2016 8:20
To: 'IBM Mainframe Discussion List' <[email protected]>
Subject: RE: 32767?

The reason is (you know, I suppose) that blksize must be 8 (4 for the RDW +4 
for the BDW) less than lrecl for a VB dataset.
Reading the possible errors, you could see that bullet 5 is applicable to you, 
although it says '4' i.s.o. '8'. 4 is for RECFM=V, 8 for RECFM=FB.

Kees.



-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf 
Of Paul Gilmartin
Sent: 16 December, 2016 1:25
To: [email protected]
Subject: 32767?

9       *-*   say BPXWDYN( 'alloc dd(SYSUT1) path(''/etc/services'') 
filedata(TEXT)' ,  
                   'recfm(V,B) LRECL(32760) blksize(32767) reuse msg(WTP)' )
        >>>    "0"
  0
      11        *-*   address 'MVS' 'EXECIO * DISKR SYSUT1 (finis stem JUNK.'
        >>>    "EXECIO    * DISKR SYSUT1 (finis stem JUNK."
      12        *-*   say JUNK.0
        >>>    "203"
  203

???

IEBGENER fails (as it should) with the same SYSUT1:

  IEC141I 013-34,IGG0199G,user,$STCTSO1,SYSUT1
  IRX0250E System abend code 013, reason code 00000052.

...  And here I'm dissatisfied.  M&C gives eight possible explanations for 
RC=34.
That's bad.  Each reason should have a distinct reason code rather than 
requiring
the programmer to investigate each of the eight.

And here, none of the eight seems to apply.  If someone can't supply what I fail
to understand, I may go to SR.

And damn Rexx for showing RC in decimal when all the reference material show 
hex!

Postel's law was a bad idea.

-- gil





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