There are some recovery scenarios that require that one member be brought up with sysplex communication mode and data sharing mode inactive in order to accomplish recovery actions. This can be done utilizing an "emergency ICHRDSNT" with both the sysplex communication and data sharing bits off. Emergency data set name tables describes how to set up such an emergency ICHRDSNT.

This will allow a single member to be brought up with approximately full functionality, for the sake of accomplishing recovery actions.