The user enables the HA function on Fusioncompute.

Configuring the cluster HA strategy is to automatically adjust the resource load balancing on different hosts

Dedicated failover hosts refer to: setting a specified number of hosts in the cluster to fail, the system

Periodically check that there are enough resources left in the cluster to fail over the virtual machines on these hosts

To allow host failure in the cluster refers to: Reserving a designated host as a dedicated failover host, when the host is used as a failover host, ordinary virtual machines are prohibited from starting, migrating, waking up, and snapshot recovery on the host

HA resource reservation is to reserve CPU and memory resources according to the configured values ​​in the entire cluster