...
If you terminate the active JobScheduler then one of the other will go active automatically and knows all states, i.e. wether the Jobs or Job Chains are stopped or not, Orders are supended or not or Job Chain Nodes are stopped, skipped or not, Orders are suspended or not and on which step they are.
JobScheduler Backup Cluster
...
A Backup JobScheduler of this cluster doesn't start when you have terminate the primary JobScheduler in a normal way.
But when you abort the primary JobScheduler or its process is killed (e.g. the Server has crashed) then the (next) Backup JobScheduler goes active and knows all states, i.e. wether the Jobs or Job Chains are stopped or not, Orders are supended or not or Job Chain Nodes are stopped, skipped or not, Orders are suspended or not and on which step they are.
If a Backup JobScheduler is active and the primary JobScheduler is restarted then you must terminate the Backup JobScheduler to reactivate the primary.
...