Note: Before expanding a volume, you should have free space. If not, you may want to delete other volumes. Please refer to this post:
How to delete a Volume on QNAP
- Login QNAP web utility
- Click on Storage & Snapshots
![](http://www.howtonetworking.com/blog/wp-content/uploads/2022/11/image.png)
3. Click on Storage and then Storage/Snapshots.
![](http://www.howtonetworking.com/blog/wp-content/uploads/2022/11/image-1.png)
4. Select a volume you want to extend and then click Manage.
![](http://www.howtonetworking.com/blog/wp-content/uploads/2022/11/image-8.png)
5. Click Action and then Expand Pool.
![](http://www.howtonetworking.com/blog/wp-content/uploads/2022/11/image-9.png)
6. The Volume Resizing Wizard opens and keep the default selection. Click Next.
![](http://www.howtonetworking.com/blog/wp-content/uploads/2022/11/image-10.png)
7. Specify a new capacity for the volume. Select Disks, in our example all. Select RAID type, for example RAID 10.
![](http://www.howtonetworking.com/blog/wp-content/uploads/2022/11/image-11-1024x610.png)
8. Review the expand summary
![](http://www.howtonetworking.com/blog/wp-content/uploads/2022/11/image-12.png)
9. In the popup warning, click on Expand to process.
![](http://www.howtonetworking.com/blog/wp-content/uploads/2022/11/image-13.png)
10. It is processing the expand.
![](http://www.howtonetworking.com/blog/wp-content/uploads/2022/11/image-14.png)
11. Completed.
![](http://www.howtonetworking.com/blog/wp-content/uploads/2022/11/image-15-1024x589.png)
Storage Pool 1 Management shows
![](http://www.howtonetworking.com/blog/wp-content/uploads/2022/11/image-16.png)
It is syncing.
![](http://www.howtonetworking.com/blog/wp-content/uploads/2022/11/image-17-1024x183.png)
![](http://www.howtonetworking.com/blog/wp-content/uploads/2022/11/image-18-1024x411.png)
Please view this step by step video: