I usually delete all superfluous text when I reply, but left it all in for this message to make my point. There are at least 5 of the thingies that the listserver adds (maybe more), plus the one added by the quoted message, plus the one that will be added by my message. PLEASE delete the irrelevant messages and all of the IBM-Main added text.

I have to admit I had no idea what Ron Hawkins was talking about in his reply. He said he was 033x. What is that? Now, if he said X'0033', that makes sense.

Eric Bielefeld
Sr. Systems Programmer
IBM Global Services Division
Dubuque, Iowa
414-477-7259


----- Original Message ----- From: "Doug" <[email protected]>
Newsgroups: bit.listserv.ibm-main
To: <[email protected]>
Sent: Friday, April 01, 2011 8:40 PM
Subject: Re: DATACLASS


On 4/1/2011 18:36, Ron Hawkins wrote:
I am 033x tomorrow!

-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On
Behalf Of
Scott Ford
Sent: Friday, April 01, 2011 2:35 PM
To: [email protected]
Subject: Re: [IBM-MAIN] DATACLASS

NowI get it, thanks my man...btw I was 60 last august

Sco
Ron,

NowI get it, thanks my man...btw I was 60 last august

Scott J Ford





________________________________
From: Ron Hawkins<[email protected]>
To: [email protected]
Sent: Fri, April 1, 2011 5:25:30 PM
Subject: Re: DATACLASS

Scott,

I may be older then.

The JCL is pretty much run of the mill placeholder allocation. It's a
pretty
common practice to pre-allocate your space like this. Some shops add the
DCB
info in the IEFBR14 and some shops add it on the step that opens the file. It doesn't really matter 'cause it is just space. We used to fill our RVAs
and Icebergs with 100s of these.

And it may not be obvious, but LRECL=0 is really saying LRECL is missing, just like BLKSIZE=0 which is used all the time. The JCL and ISPF 3.2 don't ask for these LRECL and BLKSIZE to be zero, it just they are displayed as
zero because nothing has actually been specified.

Now this may be a wild arsed guess, but I think Jason is trying to create
a
DATACLAS and associated rules that will provide a set of default
characteristics for a DSORG=PS file. The ACS routine he provided is not
working for the IEFBR14 because the DSORG is null. I'm still not certain
that ISPF is opening the file as described by Ted, but I do believe that
ISPF is adding DSORG=PS even though it is not requested - there's nowhere
for you to actually specify the DSORG in ISPF 3.2.

This is the non-SMS allocation from the JCL from the OP.

.                              Data Set Information
.
.  Command ===>
.
.
.
.  Data Set Name . . . . : HAWKINS.CEB.TEST
.
.
.
.  General Data                          Current Allocation
.
.  Management class . . : **None**        Allocated tracks  . : 1
.
.  Storage class  . . . : **None**        Allocated extents . : 1
.
.    Volume serial . . . : PE1USA
.
.    Device type . . . . : 3390
.
.  Data class . . . . . : **None**
.
.    Organization  . . . : NONE          Current Utilization
.
.    Record format . . . : ?              Used tracks . . . . : 0
.
.    Record length . . . : 0              Used extents  . . . : 0
.
.    Block size  . . . . : 0
.
.    1st extent tracks . : 1
.
.    Secondary blocks  . : 10            Dates
.
. Data set name type : Creation date . . . : 2011/04/01
.
.                                          Referenced date . . :
***None***
.
.                                          Expiration date . . :
***None***
.

Ron


-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On
Behalf Of
Scott Ford
Sent: Friday, April 01, 2011 1:09 PM
To: [email protected]
Subject: Re: [IBM-MAIN] DATACLASS

I went back and read the original post...Its not clean  what
Ron,

I went back and read the original post...Its not clean  what Jason is
doing, I
see the IEFBR14 and it is wrong JCL wise...but what is this dataset's
attributes
or is it being modelled after another dataset.....Maybe I am getting old
dude..I
also saw his ISPF 3.2 ...never have I allocated a dataset as LRECL = 0
and BLKSIZE = 0 , and of

course forget reading it ..what is he trying to do here..?

Scott J Ford





________________________________
From: Ron Hawkins<[email protected]>
To: [email protected]
Sent: Fri, April 1, 2011 2:48:55 PM
Subject: Re: DATACLASS

Scott,

The IEFBR14 example from the original post is one example of a program
that
would allocate such a dataset.

Ron



-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On
Behalf Of
Scott Ford
Sent: Friday, April 01, 2011 11:17 AM
To: [email protected]
Subject: Re: [IBM-MAIN] DATACLASS

A lrecl = and blksize = and recfm = , IMHO i wou
Guys:

A lrecl = 0 and blksize = 0 and recfm = u , IMHO i would have thought
you
need
a
lrecl or blksize, how many programs fo you know would allocate such a
dataset..
I dont know of many...


Scott J Ford
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To be young again...Enjoy!

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