Performance issue when configuring non HA VM in cluster

Posted by laiys on Server Fault See other posts from Server Fault or by laiys
Published on 2010-03-17T14:14:31Z Indexed on 2010/03/17 14:21 UTC
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Hi,

I saw this article

http://technet.microsoft.com/en-us/library/cc764243.aspx

Quote taken from the link

Important

It is recommended that you not deploy virtual machines that are not highly available on your host clusters. Although you can do this by using Hyper-V (VMM does not allow it), the non-highly available virtual machines will consume resources that otherwise would be available to the HAVMs

What kind of resources (CPU,memory, NIC, etc) that non HA VM will consume? Just curious as not all VM (in production) not to be in Failover Cluster and Live Migration. If i put the VM into CSV but did not make it as HA, what impact does it make since i allocate same vCPU, vNic and VMemory into the VM. (not to mention that i lost failover feature).

Curious to understand more about this. Please advise. Thanks

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