HA failover without a reboot?
Hello
I did some research forum to discover the answer, but all discussions were 4 years and more. We currently have an EVC Cluster with 3 5.0 ESXi hosts, vCenter 5.0 also running. HA now operates in the sense that if an ESXi server goes down (from form) the virtual machine will migrate and restart. Is it possible to implement HA who will migrate the virtual machine without a reboot? I assumed that it would take some kind of sharing our resources storage device, but does have not seen docs on the subject on the VMWare site.
Thanks in advance for any help!
Hi and welcome to the forums
The solution VMware to achieve this goal is "Fault Tolerance" call FT
FT is basically a mirror copy of the virtual machine on a different host and keep the memory and the CPU to lock stage share the same disk.
As soon as the main host of the virtual computer fails, the VM FT will take over and create a new "copy" on another host in the cluster.
See: http://www.vmware.com/products/fault-tolerance/overview.html
However, there are a few restrictions.
Supported only for 1 vCPU VMs
See your cluster is active EVC, it may not work in your environment.
VCA retires features CPU for all hosts in a cluster.
Please allow points if you find this useful/correct by clicking on the tabs below
Tags: VMware
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