VMware Vi4 / ESX4 – FT

October 26, 2008 — 3 Comments

Another ESX4 demo video this time introducing the new HA feature called F (Fault Tolerance) With this feature when a host fails a VM can continue working with 0 downtime. Ideal for mission critical servers, it works by creating a second mirror VM on another host, this VM’s are then kept in sync by sending commands from the active VM to the passive.


Watch the video

3 responses to VMware Vi4 / ESX4 – FT


    Did you hear about VMware FT? I just read a bit

    about it on . Would u think that would

    replace VMware HA? I had seen a video even of FT

    on that link. Is it available yet?




    virtualisedreality December 16, 2008 at 8:46 am

    Hi Andrew,

    I don’t believe it will replace HA but will be an addition, it will allow you to fully protect a VM by duplicating it onto another server and then mirroring the updates. It is a potential new feature in VI4.



    Very interesting feature. In an environment our size, this has a fair number of applications. HA should remain to provide hardware tolerance for those less mission critical virtual machines.

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