Intel Xeon 54xx vmotion compatibility

Hello.

If I understand correctly - vmotion on same family CPU should work without problem.

We got 3 nodes with Xeon 5410 and 1 node with Xeon 5430.

VMotion of 5410-5430 work is good.

But it works of 5430 to 5410 incompatibility NX/XD.

Hide allows a flag NX/XD, but he isn't very good resolution for us.

question 2:

(1) is on same family vmotion CPU should work without any problem?

(2) what do we lose if disable NX/XD indicator on each virtual machine?

(3) the concealment of NX/XD is better or worse then VCA?

NX/XD is only a function of the CPU, but there are others (like SSE).

So the good solution is VCA at the level of the cluster or CPUID mask at the virtual machine level.

I suggest that the VCA solution is very simple to implement.

Create a new cluster empty, enable CVS, move each ESX in the new cluster (the ESX must be in maintenance mode).

See also: http://kb.vmware.com/kb/1005764

André

Tags: VMware

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