Overview of VSAM groups

The RUV VSAM group feature provides a flexible method for working with a collection of RUV-registered VSAM files. This is similar to the way that you work with a single file. After the VSAM files have been registered and a VSAM group has been defined, the VSAM_GROUP keyword can replace the VSAM_FILE keyword in most commands, including BACKUP, RESTORE, RECOVER, and ARCHIVE.

When an RUV command is issued using VSAM groups, the data sets contained in the group resolve to their component Base Cluster VSAM File or Files at run time as registered in the repository. Thus, if you specify VSAM group definition using DSN masking, new VSAM files will be selected automatically as soon as they are registered in the repository.

The following figure illustrates an example of VSAM group use:

Group Setup Example.png

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VSAM-groups

 

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