FortiSIEM HA

I want to make HA on supervisor but i have some questions which not find in Fortinet document
1. in HA Both supervisor in HA but how to take worker in HA see red line in graph
2. if location 1 worker fail how location collector send data on 2nd location worker ?
3. if one collector fail so how 2nd collector take all logs ?
4. can we registerd collectors with both supervisor ?
5. can we add both location workers on supervisor and follower ?
6. In HA if we doing configuration on primary follower sync automatically ?
