Dimension scores are derived from public data and fields; weighted into the composite. Reference only.
Longhorn is a cloud-native distributed block storage system for Kubernetes. The site describes it as lightweight and reliable, implemented with containers and microservices. It creates a dedicated storage controller for each block device volume, synchronously replicates the volume across multiple replicas on multiple nodes, and lets Kubernetes orchestrate everything. The project is a CNCF Incubating Project and emphasizes that it is 100% open source.
Longhorn’s core features cover enterprise-grade persistent storage: distributed block storage with no single point of failure, high availability through multiple replicas, incremental snapshots, recurring snapshots and backups, volume cloning, volume expansion, RWX volumes, disaster recovery volumes, and node failure handling. Backups can be written to NFS or S3-compatible object storage, and cross-cluster disaster recovery is supported, making it easier to bring applications back up according to defined RPO/RTO targets when the primary cluster fails. On the operations side, it provides a GUI dashboard, Prometheus/Grafana monitoring, Rancher monitoring integration, longhornctl, CSI Snapshot support, volume encryption, mTLS, and more.
The site clearly states that Longhorn is 100% open source and provides a free management UI. It does not disclose any commercial plans or enterprise support pricing. Deployment options are fairly extensive: it can be installed via Rancher Apps & Marketplace, Kubectl, Helm, Helm Controller, Fleet, Flux, or ArgoCD, and it also supports Air Gap Installation. It is suitable for self-hosted Kubernetes, on-premises clusters, and environments such as EKS, AKS, GKE, K3s, RKE, and OCP/OKD.
Its strengths are that it is open source and free, Kubernetes-native, and offers a complete data protection workflow, while helping reduce the cost and portability issues associated with external proprietary storage arrays. Its snapshot, backup, disaster recovery, and non-disruptive upgrade capabilities are especially useful for stateful applications. The main limitation is that Longhorn is a low-level infrastructure component, so it requires solid experience with Kubernetes, networking, disk scheduling, and failure recovery. Some features are still marked Experimental, and the site does not specify SLA terms, commercial support, permission management, or compliance certifications.
Longhorn is well suited to DevOps, ITOps, and platform engineering teams that need persistent block storage for databases, middleware, StatefulSets, and edge or on-premises Kubernetes clusters. The site does not provide information about access from China, so this remains unknown. In real-world deployments, teams should also evaluate image pulling, GitHub/Slack availability, and object storage compatibility. Comparable options include Rook/Ceph, OpenEBS, Portworx, and Kubernetes storage services from major cloud providers.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on longhorn.io official site.
longhorn.io is an United States VPS provider. TG4G tracks its product information, an overall rating of 8.0/10, and a China-accessibility score of China direct-connect friendly. Click "Visit Official Site" to reach longhorn.io directly.