In general, you can use the following information for creating and maintaining
the RCDSs. The following sections describe how to:
Size the RCDS
Create the RCDS
Maintain the RCDS
Sizing the RCDS
Use this formula to estimate the size of your RCDS.
Creating the RCDS
The three RCDSs are linear VSAM data sets. They contain identical
copies of essential information CICS VR needs to recover your VSAM spheres.
Accessing the RCDS from more than one system
You must have Global Resource Serialization (GRS) or a similar
product installed to access the RCDS from more than one MVS™ system.