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Changing Online-ZPARMs

 
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Kamakshi Ayyadurai

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Joined: 28 Dec 2007
Posts: 4
Location: Chennai,India

PostPosted: Wed Jan 02, 2008 7:46 pm    Post subject: Changing Online-ZPARMs
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The standard method on changing Online-ZPARMs:

Step1: Execute the 6th phase job DSNTEJ6Z to print the current system parameters

icon_arrow.gif cmd: TSO ZPARMS <SSID>
To return the current system parameters (Optional)

Step2: Customize the DSNTIJUZ job to perform the needed changes in ZPARM parameters.

Step3: Execute the DB2 command
Cmd: SET SYSPARM LOAD (DSNZPARM)
To set the subsystem parameters while DB2 is up

Step4: Execute the MVS command
Cmd: F LLA REFRESH to refresh the lookaside library

Step5: Execute the 6th phase job DSNTEJ6Z again to check whether the changes made to the ZPARM is get updated.

icon_arrow.gif These updation made to the ZPARM is not fixed, it changes to the previous values after a DB2 checkpoint
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