---
name: "hvs"
section: "4"
platform: "openbsd"
package: "man"
version: "8.0-current-20261101"
release: "OpenBSD 8.0-current (2026-11-01)"
platforms: ["openbsd"]
url: "https://new.carta.tech/hvs"
---

# hvs(4)

Hyper-V virtual disk

## NAME

**hvs** – Hyper-V virtual disk

## SYNOPSIS

**hvs\* at hyperv?**

## DESCRIPTION

The **hvs** driver provides support for a Storage Virtual Service Client (StorVSC), a virtual disk interface that relays device requests to the Virtual Service Provider (VSP) in the management operating system via the VMBus.

StorVSC provides a unified interface to emulated IDE and SCSI devices.

## SEE ALSO

[autoconf(4)](/autoconf/4.md), [hyperv(4)](/hyperv/4.md), [intro(4)](/intro/4.md)

## HISTORY

The **hvs** driver first appeared in OpenBSD 6.2.

## AUTHORS

The **hvs** driver was written by Mike Belopuhov ⟨*mikeb@openbsd.org*⟩ based on the FreeBSD driver by the Microsoft BSD Integration Services Team ⟨*bsdic@microsoft.com*⟩.