---
title: "Resize TrueNAS drives"
url: https://michalasobczak.pl/posts/resize-truenas-drives.html
author: "Michał Sobczak"
description: "Imaging you are running TrueNAS virtualized and would like to resize drive increasing its capacity. Then reboot and new size should be visible in ZFS pool. It has ability to auto expand by default."
published: 2025-08-10T17:51:45.000Z
updated: 2025-08-10T17:51:45.000Z
language: en
categories: ["Technology"]
tags: ["Debian", "Proxmox", "TrueNAS"]
license: CC BY-NC-ND 4.0 (https://creativecommons.org/licenses/by-nc-nd/4.0/)
---
# Resize TrueNAS drives

Imaging you are running TrueNAS virtualized and would like to resize drive increasing its capacity.

```text
parted /dev/sdX
resizepart 1 100%
quit
```

Then reboot and new size should be visible in ZFS pool. It has ability to auto expand by default.