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Turn your existing servers into fault-tolerant shared storage — no physical SAN, no extra hardware. Download the official StarWind Virtual SAN (VSAN) installer and build a fully hyperconverged, HA-ready infrastructure for Hyper-V, VMware vSphere, or Proxmox.
StarWind Virtual SAN (VSAN) is a software-defined storage platform that mirrors local disks and RAM cache across two or three nodes to create a fully fault-tolerant, shared storage pool — without a physical SAN, a witness node, or specialized hardware. It runs as a Windows service, a Linux/Proxmox package, or a dedicated virtual appliance, and connects to hypervisors over iSCSI, iSER, or NVMe-oF.
| CPU | Multi-core 64-bit processor |
| RAM | 8 GB minimum (16 GB+ recommended) |
| OS (Windows) | Windows Server 2019 / 2022 / 2025 |
| Hypervisor Support | Hyper-V, VMware vSphere, Proxmox/KVM |
| Storage | SSD/NVMe recommended for cache tier |
| Network | 10 GbE+ recommended for sync channel |
StarWind is a software company best known for StarWind Virtual SAN (VSAN) — a software-defined storage platform that mirrors local server disks and RAM cache across two or more nodes to create a fault-tolerant, shared storage pool. It lets you build highly available infrastructure for Hyper-V, VMware vSphere, KVM, XCP-ng, or Proxmox without buying a physical SAN.
Yes. StarWind V2V Converter is a completely free tool with no hidden payments, license requirements, or time bombs. It performs bi-directional conversion between VMDK, VHD/VHDX (with Windows Repair Mode support), QCOW2, and StarWind’s native IMG format, and it works on a copy of your VM so the original file stays untouched during conversion.
Not directly to VirtualBox’s native VDI format — StarWind V2V Converter’s supported outputs are VMDK,
VHD/VHDX, QCOW2, and StarWind IMG. In practice this still gets you there two ways: VirtualBox can attach
a VMDK disk directly without any conversion, or you can convert to VMDK with V2V Converter and then run
VirtualBox’s own VBoxManage clonehd
command to produce a VDI file.
It can be, depending on the character. Remote-connection tools that authenticate against a source machine (which is what P2V migration relies on) can sometimes misinterpret credentials containing quotes, backslashes, or percent signs. If a P2V job fails at the connection or authentication step, temporarily switching the source machine’s password to a straightforward alphanumeric one is a quick way to rule this out before digging into networking or permissions issues.
Not while both licenses are on the same installation — StarWind blocks applying a Free license on top of a
Trial license, so simply re-running the installer or swapping the license key in place won’t work.
StarWind’s own support team’s documented workaround is to back up the starwind.cfg
file (and the VSAN headers) before reinstalling the OS and StarWind VSAN as a fresh Free-license install,
then restore that backed-up config afterward — done one node at a time on an HA pair to avoid downtime.
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