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AWS Bare Metal Instances

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Hi,

I would like to create and use a bare metal instance with GPUs. The documentation states that I have to go to EC2 and create a dedicated host by choosing an instance such as m5, for example.

My problem is that when I create a dedicated host, the interface shows me "vCPUs", which I don't understand. Normally, if my instance is bare metal, I should have real physical CPUs and not vCPUs.

So I'd like to know if this is the real procedure for accessing a bare metal host (and not a VM) -and one with GPUs-.

Thanks for your help,

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CálculoGestión y gobierno
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Amazon EC2AWS Service Catalog
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English
stellabitchebe
preguntada hace 4 meses1706 visualizaciones
2 Respuestas
2
Respuesta aceptada

Amazon EC2 Metal instances provide you with physical CPUs, not virtualized CPUs. Metal instances are not virtualized; they do not run under a hypervisor like non-Metal instances do. We do use the same "vCPU" terminology in our APIs and the EC2 Console even with Metal instances, but rest assured you will have full access to all CPU resources.

Just a point of clarity - EC2 Dedicated Hosts are different from Metal instances. EC2 Dedicated Hosts are intended to run multiple EC2 instances on the same physical machine; you allocate a Dedicated Host and then can assign EC2 instances to that host. Dedicated Hosts are not EC2 instances themselves; you cannot run workloads on them or access them until you assign instances to them. Metal instances, on the other hand, are EC2 instances mapped to entire physical hosts that cannot be subdivided into multiple EC2 instances. (You can even run your own hypervisor on Metal instances if you like, which is something you cannot do with non-Metal instances.)

AWS
EXPERTO
MichaelFischer
respondido hace 4 meses
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EXPERTO
Oleksii Bebych
revisado hace 2 meses
  • stellabitchebe
    hace 4 meses

    Thank you @MichaelFischer! So, to allocate bare metal instances without going through the EC2 Dedicated Host, what should I do, please? Which instance type should I choose?

  • stellabitchebe
    hace 4 meses

    I think I found them. They are *.metal, right? e.g., m5d.metal. But one interrogation remains: are there such metal instances with GPUs? I can't find some on EC2

  • MichaelFischer EXPERTO
    hace 4 meses

    We offer two GPU-enabled instance types today in bare metal configurations: G4dn.metal and G5g.metal.

  • stellabitchebe
    hace 3 meses

    Yes, I had already found them. Many thanks!

1

Hello,

I think that you want to read https://docs.aws.amazon.com/whitepapers/latest/security-design-of-aws-nitro-system/the-components-of-the-nitro-system.html especially the "Nitro hypervisor" section to understand why AWS still speaks of vCPU with bare metal instances.

If you are not familiar with Nitro, you may want to start here: https://aws.amazon.com/ec2/nitro/

Best,

Didier

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Didier_Durand
respondido hace 4 meses

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