Planning for and installing VSAM record-level sharing requires coordination with system hardware and software groups. The following planning tasks are described fully in Administering VSAM record-level sharing:

• Determining hardware requirements
• Determining applications that can use VSAM RLS
• Ensuring same systems connectivity
• Planning for availability
• Defining sharing control data sets
• Defining CF cache structures
• Defining the primary CF lock structure
• Modifying the SYS1.PARMLIB IGDSMSxx member
• Establishing authorization for VSAM RLS