vSphere 4.0u2 activate VCA with running virtual machines?

Hello

We are in the process of upgrading/migration of 4.0u2 ESX to ESXi 4.1.

vCenter has been upgraded to 4.1 and we have received a couple of new hosts, which we are in the process of ESXi 4.1 installation on.

We would like to put the new 4.1 hosts in a HA/DRS cluster's existing capabilities while we improve the hosts in a cluster.

However, a difference between processors in the old and new guests two-way vMotion (Opteron 2435 vs. Opteron 6174).

-I'm guessing that the new AMD - V 2.0 feature is to "blame"?

It seems that the option activate CVS for Opteron Gen 3 is available on the cluster's existing ESX4.0u2 - even if the virtual machines are running.

But will it work? And it is supported? (Seems at least that it was not possible in v3.5)

I tried direct CVS on a test cluster containing two new hosts ESXi4.1 and a test of running VMs - this has worked.

- And afterwards, I was able to vMotion on the 'old' cluster ESX4.0u2.

But I'm a little reluctant to do a direct to CVS on our existing production cluster.

Any input/experiences?

Best regards

Martin

VCA goes through the same process of validation that vMotion don't - so it will not let you do if he won't have to work. I did not work with AMD chips in this configuration, but I did it with intel (and recently) and it worked very well and in production.

Tags: VMware

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