can't see the multiprocessor cores

System

Quad Xeon 7540 (4 processors, 6 hearts each)

ESXi 4 Single Server (free version, must bear the 4 processors and up to 6 cores per processor)

Hyperthreading enabled

In the vSpere customer at the hypervisor level indicates 4-6 processor socket by socket, 48 logical processors CPU cores so everything seems good.

VM

I created a linux RHEL 4.8 AS VM

I want to run just the a virtual machine main on the server, so I would attribute most of the power of this virtual processing machine

In the VM property page I can only assign 4CPU with free license so I put 4

Landmarks and/proc/cpuinfo suggest it does not use multiple cores, just performance monitor shows 4 cpu (not sure if it should report separately Hyperthreaded cpu)?

Set to automatic CPU/MMU virtualization

Problem

The guest VM does not access the full 48 logical processors available at the hypervisor level.  Y at - it somewhere where I can put the number of logic to be used by the virtual machine processors?   Under linux, I can only see 4 cpu and no sign of hyperthreading or amazing performance.  If/proc/cpuinfo tell me more info on each processor?  How will I know that the virtual machine is seeing / use effectively?  Clues?

Thanks for the tips

The free version supports up to 4 cores per socket.  However, the documentation is very clear that no virtual machine (under the free version) cannot be more than 4 vCPUs.  Even the highest paid version is 8 vCPUs per VM.

There is no way to assign more than 8 hearts to 1VM - if you want to devote most of the power of this machine to a single host, why not go installed natively?

-Matt

VCP, vExpert, Unix Geek, Nerd of storage

Tags: VMware

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