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Compatibility between cpus for HA in vmware

Posted on 2013-11-19
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Last Modified: 2016-11-23
Hi everyone,

We have two Dell servers,  R610 & R620 equipped respectively with Xeon E5530 and Xeon E5-2609 processors.  I need someone to tell me whether we will be able to perform HA with my virtual machines with that setup...

Any help would be greatly appreciated...  if you can tell me how you figure this out,  even better.
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Question by:LVMB1417
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Andrew Hancock (VMware vExpert / EE MVE^2) earned 2000 total points
ID: 39661159
No issues with VMware HA, in a Cluster.

VMware HA - restarts VMs on other hosts in the cluster, when a Host fails, as the VM is restart on a new host from cold, there are no issues with the different CPU.

Different to vMotion, where the CPUs need to be the same or masked by VMware EVC, which used and enabled in VMware DRS and/or vMotion.

If you would like to read more about Enhanced vMotion Compatibility (EVC) (not used in VMware HA), see these VMware Kb Articles

VMware KB: Enhanced vMotion Compatibility (EVC) processor support

VMware KB: EVC and CPU Compatibility FAQ


if you are not sure or still do not understand, please just ask
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