When CA WA CA 7 Edition schedules a job that uses a JCL library having an alternate library defined, CA WA CA 7 Edition searches the alternate library first. If the JCL member is found in the alternate library, CA WA CA 7 Edition uses the alternate JCL and flags the job queue entry. If the JCL member is not found in the alternate library, CA WA CA 7 Edition searches the primary library.
Unlike the special override library previously discussed, no action is taken by CA WA CA 7 Edition at job completion to delete JCL used from an alternate library. As long as a JCL member exists in an alternate library, it is used for job scheduling.
The JCL ID specified on the DB.7 panel must specifically request an alternate library since the job definition panel does not indicate alternate usage. Likewise, the LJCL command shows JCL only from the primary library.
Runtime messages to the Master Station and the CA WA CA 7 Edition comment statement included with the JCL for the job reflect the JCL ID number for the library from which the JCL was taken for execution.
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