In the PERCENTAGE of cluster resources reserved as failover spare capacity ADMISSION control policy, We can define the specific percentage of total cluster resources are reserved for failover.In contrast to the “Host Failures cluster tolerates admission control policy”, It will not use slots. Instead This policy calculates the in the WAY below.

1. It calculates the Total resource requirement for all Powered-on Virtual Machines in the cluster and also calculates the total resource available in host for virtual machines.
2. It calculates the CURRENT CPU and Memory Failover capacity for the capacity.
3. If the current CPU and Memory Failover capacity for the cluster < configured failover capacity (EX 25 %)
4. Admission control will not allow to power on the virtual machine which violates the availability constraints.

In the Percentage of cluster resources reserved as failover spare capacity admission control policy, We can define the specific percentage of total cluster resources are reserved for failover.In contrast to the “Host Failures cluster tolerates admission control policy”, It will not use slots. Instead This policy calculates the in the way below.