The percent of the SPOOL Active Track Groups is higher or equal to 80%.
Display spool information to monitor JES2 spooling and determine the action to take to control the spool environment. Use the $D JOBQ,SPOOL=(%>NN) command to display all of the jobs in the configuration that are using a specified amount of spool space. It is recommended to use this command starting with 10% or 20%.
The results will help you identify jobs that are using a high number of track groups as candidates for purging or off-loading.
You may also want to add (and, optionally, format) a new spool volume dynamically by issuing the $S SPOOL command. You can also use the $S SPOOL command to reactivate a previously inactive volume.
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