Overrides

A similar parameter for the JES JOBCLASS. If the JOBCLASS includes a DSENQSHR parameter set to DISALLOW, the job specification will be ignored. A job class with DSENQSHR set to AUTO or ALLOW must be used to exploit this function.

Note: The DSENQSHR jobclass attribute is JES2-only. When using a JES3 environment, the DSENQSHR function is never active. Additionally, when GRS is in RING mode, the DSENQSHR function is disabled.

Table 1. JOBCLASS attribute for DSENQSHR
LANGUAGE	JOBCLASS attribute for DSENQSHR
JCL		AUTO	ALLOW	DISALLOW
	ALLOW	yes	yes	no
	USEJC	yes	no	no
	DISALLOW	no	no	no

When yes is indicated, the system is allowed to change the data set serialization to shared control and other jobs may share that data set with this job.