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Harvester

C
C tier on Hypervisor SoftwareScore 6.8 · #5 of 23
Android app
Not listed
Free plan
Yes
Runs on
api, Linux, self-hosted, Web
harvesterhci.io
The Harvester homepage
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Summary

Harvester is free, open-source hyperconverged infrastructure for bare-metal servers, combining virtualization and distributed storage. It is intended for virtual machines, Kubernetes running in VMs, container workloads on bare metal, and edge workloads. Its architecture uses Kubernetes, KubeVirt, Longhorn, Grafana, Prometheus, and SUSE Linux Micro. Users can create, edit, clone, and delete VMs, with SSH key injection, cloud-init, and graphical or serial consoles. Live migration moves a VM to another host without downtime, but requires matching physical CPU specifications. Storage includes distributed block storage and tiering; VM backups use NFS or S3-compatible targets and support only Longhorn volumes. Harvester installs from a bootable ISO directly onto bare metal. New installations starting with v1.8 require UEFI boot. Three nodes are needed to realize multi-node features and high availability; single-node clusters lack high availability, multiple replicas, and live migration. Production recommendations include at least 16 CPU cores, 64 GB memory, 500 GB disk, and 10 Gbps Ethernet. Laptops and nested virtualization are unsupported.

Who it is for

Harvester suits teams running VMs, Kubernetes in VMs, bare-metal containers, or edge workloads on supported server hardware. It is for users who can deploy and manage bare-metal infrastructure.

What is good

  • Free, open-source software with no license fees stated
  • Supports VM creation, cloning, and deletion
  • Live migration between hosts without downtime
  • Distributed block storage and tiering

What to know first

  • Live migration requires matching physical CPU specifications
  • Backups support only Longhorn volumes
  • Three nodes are needed for high availability
  • Laptops and nested virtualization are unsupported

Verdict

Harvester combines virtualization and distributed storage for bare-metal deployments, with VM management and live migration. Account for its node, hardware, networking, and backup constraints when assessing a deployment.

Harvester plans and pricing

All plans
Harvester Free 100% open source · no license fees stated harvesterhci.io · 2 Oct 2026

Compared on hypervisor software

Free plan
Yesharvesterhci.io
Host platforms
ARM64, x86_64harvesterhci.io
Guest OS support
SUSE Linux Enterprise Server 15 SP6 and SP7; SUSE Linux Micro 6.0 and 6.1; Red Hat Enterprise Linux 9 and 10; Ubuntu 22.04 and 24.04; Windows 11; Windows Server 2025harvesterhci.io
Management interface
webharvesterhci.io
VM snapshots
Yesharvesterhci.io
Live migration
Yesharvesterhci.io
Nested virtualization
Noharvesterhci.io

Facts

Product
Harvester is open-source hyperconverged infrastructure for bare-metal servers, combining virtualization and distributed storage.docs.harvesterhci.io · 2 Oct 2026
Intended workloads
Harvester is aimed at running VMs, Kubernetes in VMs, containerized workloads on bare metal, and workloads at the edge.harvesterhci.io · 2 Oct 2026
Technology
Its architecture uses Kubernetes, KubeVirt, Longhorn, Grafana, and Prometheus, with SUSE Linux Micro at its core.docs.harvesterhci.io · 2 Oct 2026
VM management
The platform supports creating, editing, cloning, and deleting VMs, with SSH key injection, cloud-init, and graphical and serial consoles.docs.harvesterhci.io · 2 Oct 2026
Storage and backup
Harvester provides distributed block storage and tiering; VM backups use NFS or S3-compatible targets, and backup support is limited to Longhorn volumes.docs.harvesterhci.io · 2 Oct 2026
Networking
Harvester supports virtual IPs, multiple network interface cards, VLAN or untagged networks, and requires port trunking for VLAN support.docs.harvesterhci.io · 2 Oct 2026
Rancher integration
Rancher can import and manage multiple Harvester clusters and manage their VMs alongside Kubernetes clusters.docs.harvesterhci.io · 2 Oct 2026
Security and access
Rancher integration supports authentication and role-based access control for multi-tenancy; Harvester's Rancher RBAC integration is documented as experimental.docs.harvesterhci.io · 2 Oct 2026
Operating system
Harvester uses an immutable operating system that prevents direct changes to the core system image outside designated configuration directories.docs.harvesterhci.io · 2 Oct 2026
Deployment
Harvester installs directly on bare-metal servers from a bootable ISO; new installations starting with v1.8 require UEFI boot.docs.harvesterhci.io · 2 Oct 2026
Cluster requirements
Three nodes are required to fully realize multi-node features and high availability; single-node clusters do not support high availability, multiple replicas, or live migration.docs.harvesterhci.io · 2 Oct 2026
Hardware limits
The production recommendations include at least 16 CPU cores, 64 GB memory, 500 GB disk, and 10 Gbps Ethernet; laptops and nested virtualization are unsupported.docs.harvesterhci.io · 2 Oct 2026
Support lifecycle
The maker's docs state that Prime releases receive six months of active support followed by twelve months of maintenance support for critical security-related issues.docs.harvesterhci.io · 2 Oct 2026

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