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ESXi 6.0 -VM Migration Time from one host to another

Posted on 2016-08-25
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Last Modified: 2016-08-29
Hello to all!
I am having an installation of two physical hosts runnig two vms (One my Application and the other one vcenter server) and a nas connected
Both of the hosts are running Esxi 6.0

If i migrate a host manualy, the procedure takes 20 secs to compete and server operation is not affected (Not even a single ping is lost)
If  the host A, has a hardware failure (lets assume both power supplies fail), what is the needed time the vms to migrate to the other host?

License for Vmware is Vmware Essentials
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Question by:christoforos1981
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Andrew Hancock (VMware vExpert / EE MVE) earned 500 total points
ID: 41771311
If  the host A, has a hardware failure (lets assume both power supplies fail), what is the needed time the vms to migrate to the other host?

They don't migrate, the Host A is dead, all VMs are dead and OFF.

if you have VMware HA licensed, and  VMware HA enabled and configured correctly the VMs will be restarted automatically on other available hosts, you can expect VMs to be available within 1-2 minutes.

e.g. it's not INSTANT, and not 20 seconds.
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by:christoforos1981
ID: 41775281
Dear Andrew,

Thank you very much for your comment. Does Hyper-V suppot instant migration of the vm in case of hardware failure?
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by:Andrew Hancock (VMware vExpert / EE MVE)
Andrew Hancock (VMware vExpert / EE MVE) earned 500 total points
ID: 41775299
no. VMs are not migrated in the hardware fails! Because the VM would also be down. They are restarted.

if you require such High Availability, then VMware FT (Fault Tolerance) will give you INSTANT FAILOVER.

On a Host failure, or VM failure, the lock-stepped VM would continue.
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