32. VMware Administration v6.7 - Fault tolerance (FT)
Channel: Srinivas Maganti
Date: 2020-05-01

Introduction
VMware vSphere® Fault Tolerance (FT) provides continuous availability to virtual machines, eliminating downtime and disruption—even in the event of a complete host failure. This white paper gives a brief description of the vSphere FT architecture and discusses the performance implication of this feature with data from a wide variety of workloads.
vSphere FT Architecture
vSphere FT enables a virtual machine to survive a physical server failure by creating an exact replica virtual machine on another host that can take over at the time of failure. During failover, the transition of a vSphere FT virtual machine from one physical server to another is similar to a migration using vSphere vMotion®: it is completely seamless. That means there is zero downtime, zero data loss, zero connection loss, continuous service
availability, and complete transaction integrity.

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https://www.vmware.com/files/pdf/techpaper/VMware-vSphere6-FT-arch-perf.pdf
https://www.mavrickcloud.com/blogs/
https://github.com/maverick-cloud/
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