The disaster recovery steps assume that you only use the remote site portion of the plan when a failure occurs at the primary site.
While this might be acceptable for many installations, the amount of time required to fully restore and recover the VSAM spheres at the remote site might not be acceptable for all installations.
The CICS VR RCDS at the remote recovery site needs to be updated so that it contains the latest VSAM sphere recovery information.
Either identical MVS log streams with the appropriate log records or SAM copies of the log streams need to be at the remote site.
The first step of a complete recovery always begins with restoring the VSAM spheres from a backup. Recent backups of the VSAM spheres must be at the remote site and the RCDS at the remote site must have correct information about the backups.