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VSNREQD System Option—Volume Serial Number Required at OPEN

Use the VSNREQD system option to determine whether you want to require that the operator supply a volume serial before a volume is opened for output. This option applies when CA TLMS is unable to determine the volser of the output tape. Normally, this indicates a NL tape was mounted.

This system option has the following format:

VSNREQD=[NO|YES]
NO

Specifies that If NO is specified, CA TLMS still attempts to find a VSN in the JCL and verify that the volume is scratch. However, if it cannot be found, it will allow the mounted volume to be used without prompting the operator for the VSN.

YES

(Default) Specifies that If the VSN is supplied in the JCL or the data set is cataloged, CA TLMS will verify that the volume is scratch. If no VSN can be found, CA TLMS prompts the operator to input the VSN for scratch verification.

Example: VSNREQD System Option

VSNREQD=NO