Increase space-allocation-of-smf-sys1-ma nn-datasets-dynamically
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Procedure to increase space allocation of SMF - SYS1.MANn datasets dynamically
1. Create a new SMFPRMxx member by making a copy of the current parm member
SMFPRMyy. Change the first line from ACTIVE to NOACTIVE.
2. Set SMF to the new SMFPRMxx member by the command SET SMF=xx. This will stop SMF recording.
3. Rename the current SYS1.MANn datasets (SYS1.MAN1, 2 & 3) with the following JCL. //JOBNAME JOB <job parameters> //STEP1 EXEC PGM=IDCAMS //SYSPRINT DD SYSOUT=* //SYSIN DD * ALTER - SYS1.MANn - NEWNAME(SYS1.MANn.OLD) - CAT(catalog name) ALTER - SYS1.MANn.DATA - NEWNAME(SYS1.MANn.OLD.DATA) - CAT(catalog name) /*
4. Create new SYS1.MANn datasets (SYS1.MAN1, 2 & 3) with the JCL given below. //JOBNAME JOB <job parameters> //STEP1 EXEC PGM=IDCAMS //SYSPRINT DD SYSOUT=* //SYSIN DD * DEFINE CLUSTER(NAME(SYS1.MANn) - CYL(newvalue) - VOLUMES(volumename) - MODEL(SYS1.MANn.OLD)) - DATA - (NAME(SYS1.MANn.DATA)) /*
5. Restart SMF recording with the new SYS1.MANn datasets by giving the command SET SMF=yy.
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