ServerNet Cluster Manual

Adding or Removing a Node
ServerNet Cluster Manual—520575-003
6-13
Splitting a Large Cluster Into Multiple Smaller
Clusters
6. In all nodes of the star group selected in Step 1:
a. Use the SCF START SUBSYS $ZZSCL command to bring up direct ServerNet
connectivity between the nodes.
-> START SUBSYS $ZZSCL
b. If desired, start any applications that utilize ServerNet connectivity to nodes
within the star group.
7. If you began with a tri-star topology and one of the remaining clusters has two
cluster switches per fabric, you can split the cluster by repeating the procedure.