PetaSAN
PetaSAN is an open-source, scale-out software-defined storage solution licensed under AGPL 3.
What PetaSAN is
PetaSAN is an open-source, scale-out software-defined storage solution licensed under AGPL 3. It uses the Ceph storage engine and Consul service mesh platform, and provides storage through iSCSI, CIFS/SMB, NFS, and S3. Capacity can be expanded by adding nodes without interrupting service, and PetaSAN describes its storage as multi-node active/active and highly available. Graphical interfaces are intended to help administrators who are not Linux specialists install and operate the system. The maker lists VMware vSphere, Hyper-V, scale-out file systems, big data analytics, database servers, and large-capacity backups among its use cases. Listed features include storage pools, user management, and snapshots. PetaSAN is available for Linux in self-hosted deployments with web management. Its self-support option is free, while professional support plans and engineering consultation are also offered. The downloads page lists version 4.1.0, dated February 18, 2026, with kernel 6.12 and UI performance in its description. Release 3.3.0 added OSD encryption using Linux dm-crypt and a deployment wizard using HTTPS.
Good
- Supports iSCSI, CIFS/SMB, NFS, and S3.
- Capacity can grow by adding nodes without disruption.
- Includes storage pools, user management, and snapshots.
- Free self-support option is available.
- Professional support and engineering consultation are offered.
Watch out
- Available for Linux in self-hosted deployments.
- Self-support is the free support model.
- Release 3.3.0 added OSD encryption; the listed release is 4.1.0.
Who it suits
PetaSAN may suit organizations needing self-hosted storage across multiple nodes, including environments using VMware vSphere or Hyper-V. Its graphical interfaces are intended for administrators who are not Linux specialists.
Verdict
PetaSAN combines multi-protocol storage with scale-out capacity and graphical management. It is a self-hosted Linux option, with free self-support and separate professional support offerings.
Plans and prices
From PetaSAN's own pricing page, checked 7 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| PetaSAN (self-support) | Free | Open-source storage platform · self-support model |
The facts
Each one read from PetaSAN's own pages, with the date it was checked.
What it does
- Authentication
- The maker's Windows MPIO guide describes securing an iSCSI disk with username and password using CHAP authentication.checked 7 Oct 2026
- Availability
- PetaSAN describes its storage as multi-node active/active and highly available.checked 7 Oct 2026
- Consultation
- The maker offers engineering consultation for storage infrastructure design, network architecture, and hardware selection.checked 7 Oct 2026
- Management
- The product includes graphical interfaces intended to let non-Linux administrators install and operate it.checked 7 Oct 2026
- Protocols
- It provides storage services using iSCSI, CIFS/SMB, NFS, and S3 protocols.checked 7 Oct 2026
- Release
- The downloads page lists version 4.1.0, dated February 18, 2026, with kernel 6.12 and UI performance in its description.checked 7 Oct 2026
- Scale-out
- Storage capacity can be expanded by adding nodes without disrupting service.checked 7 Oct 2026
- Security
- Release 3.3.0 added OSD encryption using Linux dm-crypt and a deployment wizard using HTTPS.checked 7 Oct 2026
- Storage engine
- PetaSAN uses the Ceph storage engine and Consul service mesh platform.checked 7 Oct 2026
- Support
- The maker says PetaSAN can be used free through self-support and offers professional support plans from its team.checked 7 Oct 2026
- Use cases
- The maker lists VMware vSphere, Hyper-V, scale-out file systems, big data analytics, database servers, and large-capacity backups as use cases.checked 7 Oct 2026
- What it does
- PetaSAN is an open-source scale-out software-defined storage solution licensed under AGPL 3.checked 7 Oct 2026
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