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vShere hypervisor is very slow with many VMs deployed

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Hi all, This is the first time I am trying vSphere Hypervisor free version.

 

I have HP ProLiant BL460c G7 with 8 X 2.4 GHz CPU & 64 GB RAM. I have installed vSphere Hypervisor free version on it and created 50VMs with 1 GB RAM each. I am running CentOS 5.4 64 bit as guest OS on VMs.

 

When I am using 10 VMs at a time (other 40 VMs are power off), the overall resouces being used on vSphere are - Memory - < 12G & CPU - < 700 MHz.

With only 10 VMs running, they are very slow. It takes lots of time to get response from each VMs. (ssh to VM, ping to VM).

 

I am planning to run all 50 VMs for my test, but with slow response I can not even work with 10 VMs as of now.

 

Can anyone help with this. What could be the problem? I did not customize any property or settings on hypervisor.


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