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Disk Usage Issues

Featured Replies

My disk usage is not adding up and I cant seem to figure out the issue. All the data on the array does not add up to what it says I'm using. This is running 7.1.4 with the disks in zfs format. Thanks

Screenshot 2025-06-30 152954.pngScreenshot 2025-06-30 153107.png

  • Community Expert

Post the output from zfs list -t all

  • Author
3 hours ago, JorgeB said:

Post the output from zfs list -t all

I just don’t get the data discrepancies. If I go to my media share via smb and check the properties it show a 10.9tb file size

IMG_2250.jpeg

  • Community Expert

You've taken snapshots. Delete those if you want to actually free the space that stuff that was in them but was deleted since takes.

  • Community Expert

Usage is correct, GUI compute option won't show snapshots, only shares.

  • Author

Okay, how do I delete them? Zfs master doesn’t show on the main page like it used to

  • Community Expert

It should if it's installed.

  • Author

Maybe a reinstall?

IMG_2251.jpeg

  • Community Expert

Yeah maybe got stuck on an old version...

  • Community Expert

You can also use the CLI, e.g.:

zfs destroy disk1/Media@2024-12-20-110115

  • Author

Wow. Reinstalled zfs master and deleted those snapshots(forgot I snapped those). My free data is back. Thank you both for your help!

  • Community Expert

Totally off topic but if I were you, I'd consider getting more airflow over those disks. 52C is HOT for an HDD. I know the manufacturer says 65C is the limit for within spec but 50C+ is what I would consider dangerously hot.

I have my server shut down if any of my disks hit 50C.

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