Altering a tape library entry example

This example alters the entry for the tape library ATLLIB1.

//ALTERLIB JOB  ...
//STEP1    EXEC PGM=IDCAMS
//SYSPRINT DD   SYSOUT=A
//SYSIN    DD   *
     ALTER ATLLIB1 -
           LIBRARYENTRY -
           NUMBEREMPTYSLOTS(2574) -
           NUMBERSCRATCHVOLUMES(MEDIA6(500) MEDIA2(400)) -
           SCRATCHTHRESHOLD(MEDIA6(200) MEDIA2(100))
 
/*

This command has these parameters:

ATLLIB1 is the name of the entry being altered.
LIBRARYENTRY alters a tape library entry.
NUMBEREMPTYSLOTS sets the number of empty slots to 2574.
NUMBERSCRATCHVOLUMES sets the current number of scratch volumes available for MEDIA6 to 500 and for MEDIA2 to 400.
SCRATCHTHRESHOLD sets the threshold number of scratch volumes for MEDIA6 to 200 and for MEDIA2 to 100.