How do I reset any of the CA Datacom PXX alternate SYSOUT data sets?

Document ID : KB000057035
Last Modified Date : 14/02/2018
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Answer:

When running a CA Datacom Multi-User (MUF) with the SYSOUT MUF startup option specified, PXX snaps, diagnostics, and traces are written to JES output classes instead of to the PXX data set. The SYSOUT written to is PXXML, PXXCBS, PXXSQL, PXXDD, or PXXDST depending on the diagnostic or trace. 

To clear any of the SYSOUTs during MUF execution, use DBUTLTY COMM function or console command CLRML, CLRCBS, CLRSQL, CLRDD, or CLRDST to clear the associated PXXML, PXXCBS, PXXSQL, PXXDD, or PXXDST.

Additional Information:

Refer to the CA Datacom/DB Database and System Administration Guide section on "SYSOUT" on directing PXX snaps, diagnostic, and traces in z/OS. 

https://support.ca.com/cadocs/7/CA%20Datacom%20V15%200%20Customer%20Access%20Only-ENU/Bookshelf_Files/PDF/DatacomDB15--Database_and_System_Admin_ENU.pdf

Refer to the CA Datacom/DB DBUTLTY Reference Guide for z/OS section on "COMM CLRnnn (Reset Alternate Output Data Sets)"

https://support.ca.com/cadocs/7/CA%20Datacom%20V15%200%20Customer%20Access%20Only-ENU/Bookshelf_Files/PDF/DatacomDB15--DBUTLTY_Ref_zOS_ENU.pdf