Use Longhorn to deploy persistent storage for Kubernetes workloads on Arm-based Azure virtual machines
Introduction
Understand Longhorn on Azure Cobalt 100
Create an Arm64 Azure virtual machine powered by Azure Cobalt 100
Allow network access to the Longhorn Web UI on Azure
Install and run Longhorn on a single-node Kubernetes cluster
Validate persistent Kubernetes storage and benchmark Longhorn with fio
Next Steps

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About this Learning Path

Skill level:  Introductory
Reading time:  1 hr
Last updated:  04 Jun 2026
Skill level:
  Introductory
Reading time:
  1 hr
Last updated:
  04 Jun 2026
Author:Pareena Verma, Arm
Arm IP:Neoverse
Tags: Containers and Virtualization Microsoft Azure Linux Longhorn Kubernetes K3s fio
Author:
  • Pareena Verma, Arm
Arm IP:
Neoverse
Tags:
Containers and Virtualization Microsoft Azure Linux Longhorn Kubernetes K3s fio

Who is this for?

This is an introductory topic for developers, DevOps engineers, platform engineers, and Kubernetes administrators who want to deploy persistent storage for Kubernetes workloads using Longhorn on Arm-based cloud infrastructure.

What will you learn?

Upon completion of this Learning Path, you will be able to:

  • Install and configure K3s Kubernetes on an Arm64 Azure virtual machine powered by Azure Cobalt 100
  • Install and configure Longhorn distributed block storage on Arm64
  • Create and manage Kubernetes persistent volumes using Longhorn
  • Benchmark Kubernetes storage performance using fio

Prerequisites

Before starting, you will need the following:

  • A Microsoft Azure account with access to Cobalt 100-based instances (Dpsv6)
  • Basic knowledge of Linux command-line operations
  • Familiarity with SSH and remote server access
  • Basic understanding of Kubernetes and containerized workloads
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