InterviewSolution
| 1. |
How Host Isolation Is Detected? |
|
Answer» In HA cluster, ESX hosts uses heartbeats to communicate among other hosts in the cluster. By default, Heartbeat will be sent every 1 SECOND. If a ESX host in the cluster did not receive heartbeat for 13 seconds from any other hosts in the cluster, The host considered it as isolated and host will PING the configured isolation address (default GATEWAY by default). If the ping fails, VMWARE HA will EXECUTE the Host isolation response. In HA cluster, ESX hosts uses heartbeats to communicate among other hosts in the cluster. By default, Heartbeat will be sent every 1 second. If a ESX host in the cluster did not receive heartbeat for 13 seconds from any other hosts in the cluster, The host considered it as isolated and host will ping the configured isolation address (default gateway by default). If the ping fails, VMware HA will execute the Host isolation response. |
|