Restrictions for Temporary VSAM Data Sets

The following restrictions apply to the use of temporary VSAM data sets:

Multivolume temporary VSAM data sets are not permitted.
You cannot reference a temporary data set once a job is completed.
The use of VOL=SER and UNIT will not let you refer to a temporary data set outside the job that created it.
The EXPDT and RETPD keywords are ignored.
A temporary VSAM data set cannot support the RESET option in the ACB.

For additional information on temporary data sets see z/OS MVS JCL Reference and z/OS MVS Programming: Assembler Services Guide. See Example 4: Allocate a Temporary VSAM Data Set for an example of creating a temporary VSAM data set.