Parameter type

Keyword, optional

Purpose

You can, on a system that includes MVS/DFSMS Version 1 Release 3 or higher, use the RLS parameter to specify the level of record sharing, or sharing protocol, for a VSAM data set containing records that must be shared. See z/OS DFSMS Using Data Sets for a description of the sharing protocols and to determine whether your application can run in a shared data environment without modification.