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vCPU sizing on ESXI 5.0 host

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Hello all,

 

I would like to receive your advices concerning the right vCPU configuration for an ESXI 5.0 host with the following configuration:

 

CPU: 1* Xeon 5620 Quad-Core HT enabled (server side)

48 GB RAM

 

here are my calculations: with HT enabled we have 8 cores. As I could read in blogs, we can plan 4vCPU / logical cores. So I can configure a mix of VM with a maximum of 32 vCPU in total (for me, I would never reach this limit).

 

If I follow my calculations and the customer's needs here is what the host could handle:

 

VM1 with 4 vCPU

VM2 with 2 vCPU

VM3 with 1 vCPU

VM4 with 2 vCPU

*********************

Total 9 vCPU assigned

 

 

Do you think I'm correct, or is it very bad concerning performances or it's not feasible

 

Thanks for your feedback on this,

Michael


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