White paper: How VSAM RLS works and its role in ending CICS downtime

If you have CICS applications that rely on VSAM data, you know that batch processing can limit the application's online availability. One way to deal with the issue is to use VSAM Record-Level Sharing, or VSAM RLS.

This white paper explores issues relevant to sharing VSAM files between CICS and batch using the VSAM RLS method. VSAM RLS was designed to enable VSAM files to be shared with full update capability between many applications running in many CICS regions. Read the white paper for a more detailed look at this solution, the changes required to use files in VSAM RLS mode for batch and CICS processing, and the important points to review when considering this solution.

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