ICSF writes subtype 21 when ICSF joins or leaves the ICSF sysplex
group. Subtype 21 contains this information:
- The name of the ICSF sysplex group
- The name of the sysplex member
- An indication of whether the member joined or left the sysplex
group
- An indication of whether the join or leave was due to normal initialization/termination
processing
- An indication of whether the leave was due to error recovery processing
- The time of the join or leave
- The name of the active CKDS