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HA Failover Capacity Levels!

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Hi All,

Please review my cluster status,

VMware vSphere Version=5.0

No.of Nodes in the cluster=4

Each Node configuration=24GB RAM, 12*2.40GHz CPU

Total Cluster Memory=95.96GB

Total Cluster CPU=115 GHz

Configured Admission control policy= CPU:25% and Memory:25%

 

Cluster have 16 VMs no VMs have CPU reservation and only one VM have 4 GB memory reservation. please find memory overhead for all VMs,

56.91MB,48.81MB,60.84MB,60.84MB,100.22MB,95.28MB,56.91MB,80.07MB,56.91MB,87.33MB,73.43MB,52.89MB,52.95MB,111.52MB,87.33MB,77.02MB.

Please find the attachment and how the CPU and memory failover capacity calculated in percentage?  i reserved 25% means 1/4 node resources available for failover? Hereafter how much resources can i take for new VM installation? anybody reply with calculation? it will helpful to understand more easier. Thanks in advance.


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