maynardj
Contributor
Contributor

High Availability for a virtual machine

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Hi,

I am aware of ESXi node failover / HA during a  ESXi node failure.

Does VMware provide fault tolerance / HA for failure of a single VM, not the entire host.

Thank you.

 

 

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depping
Leadership
Leadership

Yes, it is called, surprise surprise, vSphere Fault Tolerance aka FT. it provides a live shadow copy of the VM, and this VM will run on a second host, allowing FT to failover when something happens to the host or the VM process.

Note, this does not help with failures within the VM. That is what vSphere HA VM Monitoring is for. That would allow you to restart a VM in the case of a guest operating system failure for instance

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pdirmann01
Enthusiast
Enthusiast

There's a bunch of requirements in order to enable FT on a VM (or VMs). This should help guide you:

https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.avail.doc/GUID-83FE5A45-8260-436B-A...

 

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2 Replies
depping
Leadership
Leadership

Yes, it is called, surprise surprise, vSphere Fault Tolerance aka FT. it provides a live shadow copy of the VM, and this VM will run on a second host, allowing FT to failover when something happens to the host or the VM process.

Note, this does not help with failures within the VM. That is what vSphere HA VM Monitoring is for. That would allow you to restart a VM in the case of a guest operating system failure for instance

View solution in original post

pdirmann01
Enthusiast
Enthusiast

There's a bunch of requirements in order to enable FT on a VM (or VMs). This should help guide you:

https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.avail.doc/GUID-83FE5A45-8260-436B-A...

 

View solution in original post