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Exact function of the DELDSN utility

 
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Sameeha Basha

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Joined: 17 Jan 2011
Posts: 6
Location: coimbatore

PostPosted: Tue Jan 18, 2011 10:08 am    Post subject: Exact function of the DELDSN utility
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hi,

Can any one please tell me the exact function of the DELDSN utility?
And how different it is from the IEFBR14 utility.

Regards,
Sameeha
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gcicchet

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Joined: 28 Jul 2006
Posts: 1703
Location: Australia

PostPosted: Tue Jan 18, 2011 10:29 am    Post subject:
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Hi Sameeha,

I have not heard of it, what is it ? How is it invoked ?

Gerry
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Dsingh29

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Joined: 16 Dec 2008
Posts: 132
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PostPosted: Tue Jan 18, 2011 10:40 am    Post subject:
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Can you please post the JCL, where you are using or have seen it ?
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Sameeha Basha

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Joined: 17 Jan 2011
Posts: 6
Location: coimbatore

PostPosted: Tue Jan 18, 2011 12:32 pm    Post subject:
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I have not come across it in a program. but my senior asked me to check out the difference, that i have asked. i have the following information about it... u can go through it and see if u can understand...


Use the DELDSN subcommand to dissociate a data set or a partitioned data set member from a problem.
On the DELDSN subcommand, you can ask IPCS to prompt you for confirmation
before continuing with the DELDSN function. In IPCS line mode, DELDSN will
display the names and attributes of the data sets to be dissociated before
requesting confirmation and continuing with the DELDSN function. In the
IPCS dialog, however, you should use the LISTPROB subcommand to display
the names and attributes of the data sets before entering the DELDSN
subcommand.

You should not use DELDSN to delete a dump data set. Use the DROPDUMP
subcommand instead.


If the data set is not managed by IPCS, it is dissociated from the
specified problem but is not scratched.

IPCS scratches and uncatalogs a managed data set when the following three
* It is cataloged.

* It is no longer associated with any problem in the IPCS problem
directory.

* Its name does not begin with 'SYSn.', where n is a decimal number from
0 through 9.


IPCS never scratches a partitioned data set member.

DELDSN dissociates a data set from a problem even if it cannot scratch the
data set (for example, if the data set doesn't exist or you can't supply
the correct password).

A data set can be dissociated from a problem only by the problem owner or
by the person specified in the IPCS session parameters member as having
administrative authority. This subcommand does not change the current data
set, even if it scratches the current data set.

During certain phases of processing, DELDSN ignores attention interrupts.
If you generate an attention interrupt during such a phase, the interrupt
is stacked and processed when the subcommand finishes the protected phase.
If you interrupt and end a subcommand that modifies the problem directory
or the data set directory, the modification to the data set may be
incomplete.

Restriction:

When using IPCS in the background, you must use the TMP provided with the
TSO/Extensions Program and must specify the JCL "USERID" parameter so that
DELDSN can verify that the user is authorized to dissociate the specified
data set.



Regards,
sameeha
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Dsingh29

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Joined: 16 Dec 2008
Posts: 132
Location: IBM

PostPosted: Tue Jan 18, 2011 1:08 pm    Post subject:
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request you to go thru the following link:

http://publib.boulder.ibm.com/infocenter/zos/v1r9/index.jsp?topic=/com.ibm.zos.r9.ieac500/iea2c58031.htm


for me it has nothing to do with IEFBR14. IEFBR14 is just a dummy utility which always return zero while DELDSN it seems is used to register a dataset or PDS attributes with IPCS in case of problem.


the link also talks about the IPCS:
"IPCS provides an interactive, online facility for diagnosing software failures. Using data sets and active system storage, IPCS analyzes information and produces reports that can be viewed at a Time Sharing Option Extensions (TSO/E) terminal or can be printed".


hope this helps !!
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Robert Sample

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Joined: 06 Jun 2008
Posts: 7992
Location: Bellevue, IA

PostPosted: Tue Jan 18, 2011 4:21 pm    Post subject:
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DELDSN is not a utility -- it is a command of IPCS. As such, DELDSN cannot be executed from a batch job whereas IEFBR14, being a utility, can be executed from a batch job. DELDSN requires you to be running IPCS before you can use it.
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Sameeha Basha

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Joined: 17 Jan 2011
Posts: 6
Location: coimbatore

PostPosted: Tue Jan 18, 2011 4:36 pm    Post subject:
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Thanks for all your replies........
really appreciate it..
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