m2.nz/content/posts/expand_opnsense_root_disk.md

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---
title: "Expanding OpnSense root disk (21.7+)"
date: 2024-01-12T14:36:30+12:00
draft: false
featuredimagepreview: "/opnsense_expand.jpg"
---
Expanding root partition on OpnSense VM
- Expand underlying VM disk
- Reboot
- Run below commands to online resize
- Reboot (Optional?)
```shell
# View the layout
gpart show
# Resolve GPT issue before extending
gpart recover da0
# Make it use all the new space
gpart resize -i 3 da0
# Grow the FS to fill the new partition
growfs /dev/gpt/rootfs
```