What do you mean by VMware HA and VMware FT? Difference between them.

1.	What do you mean by VMware HA and VMware FT? Difference between them.
Answer» VMware HA (High availability): It generally works on Cluster Level. By pooling VMs and the hosts they reside on into a cluster, VMware HA provides high availability for VMs. VMs running on a failed host are forced to be restarted on alternate hosts. VMware FT (Fault Tolerance): It generally works on VM Level. In this, a secondary VM is created and maintained that is identical to the primary and can replace it when the ESXi host fails to provide continuous availability of VMs. A complete copy of a VM is MADE, including STORAGE, computation, and memory. To configure FT, a 10GB NIC is recommended. Difference between VMware HA and VMware FT- While VMware HA is enabled per cluster, VMware FT is enabled per VM. VMware HA works on cluster level whereas VMware FT works on VM level. An HA system will restart and power on VMs on another host in the event of a FAILURE, while an FT system will activate the second copy in case of a loss of the primary host. By providing fast backup and continuous availability, it REDUCES downtime.

Answer»

VMware HA (High availability): It generally works on Cluster Level. By pooling VMs and the hosts they reside on into a cluster, VMware HA provides high availability for VMs. VMs running on a failed host are forced to be restarted on alternate hosts.
VMware FT (Fault Tolerance): It generally works on VM Level. In this, a secondary VM is created and maintained that is identical to the primary and can replace it when the ESXi host fails to provide continuous availability of VMs. A complete copy of a VM is MADE, including STORAGE, computation, and memory. To configure FT, a 10GB NIC is recommended.

Difference between VMware HA and VMware FT-

While VMware HA is enabled per cluster, VMware FT is enabled per VM.
VMware HA works on cluster level whereas VMware FT works on VM level.
An HA system will restart and power on VMs on another host in the event of a FAILURE, while an FT system will activate the second copy in case of a loss of the primary host. By providing fast backup and continuous availability, it REDUCES downtime.

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