---
name: "mkzonefs"
section: "8"
platform: "linux"
package: "zonefs-tools"
version: "1.6.0-2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/mkzonefs"
---

# mkzonefs(8)

Create a zonefs file system on a zoned block device

## NAME

mkzonefs - Create a zonefs file system on a zoned block device

## SYNOPSIS

**mkzonefs** \[ **-h\|--help** \] \[ **-v** \] \[ **-f** \] \[ **-L** *label* \] \[ **-o** *features* \] *device*

## DESCRIPTION

**mkzonefs** is used to create a zonefs file system on a zoned block device.

## OPTIONS

- **-h**, **--help**

  Display a short usage message and return

- **-v**

  Verbose output

- **-f**

  Overwrite existing file system format on the device

- **-L** *label*

  Specify a label (volume name). A label must not exceed 32 characters.

- **-o** *features*

  Specify optional features. Features are comma separated and may take an argument using the equal ("=") sign. The following features are supported.

  - **aggr\_cnv**

    Aggregate contiguous conventional zones into a single file. Default: off (create one file per zone).

  - **uid**=*UID*

    Create files with *UID* as owner user. The default is "root" user (UID 0).

  - **gid**=*GID*

    Create files with *GID* as group owner. The default is "root" group (GID 0).

  - **perm**=*permissions*

    Create files with *permissions* as access rights. The default is "640".

## AUTHOR

This version of **mkzonefs** was written by Damien Le Moal.

## AVAILABILITY

**mkzonefs** is available from https://github.com/westerndigitalcorporation/zonefs-tools/