Amazon EKS Anywhere gets bare-metal server support

Barbie Espinol

Amazon Web Services Inc. today announced that Amazon EKS Anywhere now supports bare-metal servers, those without an operating system or applications installed, meaning customers can simplify and standardize Kubernetes deployments on their self-managed bare-metal infrastructure.

Launched in September, Amazon EKS Anywhere is an extension of the Amazon Elastic Kubernetes service that enables companies to run Kubernetes on the company’s infrastructure without needing to install, operate and maintain a control pane or nodes. Amazon EKS Anywhere takes this further, letting customers create and run Kubernetes clusters on virtualized on-premises servers with VMware Inc.’s vSphere.

Now, they have the further option of deploying Amazon EKS on bare metal servers, which are physical servers dedicated to a single tenant. That allows the server’s performance and security to be optimized specifically for a single workload.

Bare metal servers are an alternative to hypervisor servers, where multiple workloads share the hardware’s compute, storage and other resources. By bringing AKS Anywhere to bare metal servers, Amazon said, customers have more options about how they can manage and operate Kubernetes-based containers that host the components of modern applications.

In a blog post, Amazon cited a raft of reasons customers use bare metal: performance benefits, direct access to underlying hardware resources, reduced complexity in their infrastructure stack and savings on licensing and support costs. And as they modernize their applications, it added, they want to use Kubernetes consistently between their existing on-premises bare-metal infrastructure and the cloud.

In general, running Kubernetes on bare metal infrastructure is a complex and laborious task, one that requires specialized expertise and a significant time investment. Although using a virtualization layer eliminates these problems, it adds the burden of software licensing and support costs.

On the other hand, AWS said, EKS on bare metal allows customers to automate all of the steps required to set things up, from provisioning to running a Kubernetes cluster built on open-source tooling. The company said its support includes all Amazon EKS Anywhere components, including integrated third-party software. What this means is that customers can now get the benefits of running Kubernetes on their own bare-metal servers without support and software licensing costs.

AWS said a number of customers have deployed Amazon EKS on bare metal while the capability was in preview. They include Inc., which is a TV advertising measurement company that does a lot of heavy computing in the cloud. Taut Bruzas, director of information technology operations at, said he and his team have grown to love Amazon EKS.

“It provides us with needed flexibility and performance which is essential for us and we could not wait for Amazon’s EKS Anywhere since it would allow consistency between our on-premises and cloud deployments,” he explained. “The ability to install/run EKS Anywhere on bare metal and getting a fully supported Kubernetes cloud orchestration is what we’ve been waiting for a long time.”

Image: Amazon Web Services

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