space is full even though i deleted a complete share

Question

hi i have rn422 nas for 20 users data with 2 3TB hdd in raid 1 mode. i had a problem that 1 of my shares occupied a lot of space (1.8 TB) even though the files in it take just 300 GB (without snapshots enabled). so i deleted the share and did defragments, scrub and balance but the space is still occupied as seen in the image.

Thanks!

StephenB · Answer

Sometimes it can take a little while for the free space to show up, but I'd think that it should have appeared by the time the scrub had finished.
&nbsp;
If you don't have an up-to-date backup of the NAS, I would start by making one.
&nbsp;
You might also consider using paid netgear support, as you really need more free space than you have right now, and that would give you a quicker resolution.&nbsp; A direct (but brute force) option would be to destroy the volume, recreate it, and then restore the data from the backup.
&nbsp;
Have you downloaded the log zip file, and looked in there for btrfs or disk-related errors?

StephenB · Answer

tcbrssa&nbsp;wrote:
&nbsp;
i look at the logs, there are disk errors but i didnt understand they meanings...
&nbsp;

Can you post a couple of them?

tcbrssa · Answer

Thanks for the answer!it's a week from the end of the scrubbing...i havea backup but i dont want the dates of the files changed so i prefer not destroying the volume...i look at the logs, there are disk errors but i didnt understand they meanings...&nbsp;&nbsp;&nbsp;&nbsp;

tcbrssa · Answer

of course, thanks!https://pastebin.com/hW7s4J6A&nbsp;&nbsp;&nbsp;&nbsp;

StephenB · Answer

This is information about the file system, but not errors (which would be in system.log, kernel.log, and dmesg.log).
&nbsp;
That said, I am seeing something I don't understand in the qgroup section
=== qgroup /data ===
qgroupid         rfer         excl     max_rfer 
--------         ----         ----     -------- 
0/274           0.00B    955.76GiB         none 
0/7483      862.76GiB    803.88GiB         none

I'd expect to see these two IDs in the subvolume list, but I am not seeing them there.&nbsp;
&nbsp;
Perhaps someone else ( maybe&nbsp;rn_enthusiast&nbsp;) can also take a look?
&nbsp;
&nbsp;

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space is full even though i deleted a complete share

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