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Forum Discussion
Can't Free Up Space
I am having a similar problem some older threads (links to them below)... files deleted from a volume do not free up space.
4 JBOD drives, various sizes, using this as a basic file server
Firmware - 6.10.3 - just updated today, skipped several previous firmware updates (didn't know they were avail)
Snapshots - Never enabled
Received email warning a few times over past 6mo warning that disk space was running low, 30% remaining, then 20% remaining, etc. Each time, we deleted old EASEUS backup files that each connected PC was saving out on the NAS. Didn't realize until today that each time we deleted it wasn't freeing up space.
Today I downloaded firmware update, then (mistakenly probably) started a Scrub but after 4hrs with no indication if it was running, I decided to reboot to let the firmware update complete. Then ran a Balance, it quicken reported it was done. Then tried running a DeFrag, but after some time with no report of progress I restarted based on advice from prior threads.
I saw suggestions for using ssh and will try to see if there are any hidden snapshots or something. Would appreciate any newer advice since all of the threads I've been reading are 2+ years old.
2015 thread:
2017 thread:
7 Replies
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Welcome to the Community!
Have you done the volume maintenance and completed all task again? It is advisable not to update or do any processes if there are issues present on the NAS more of it involves data and the disks.
I would suggest running the volume maintenance tasks and let it finish. You may want to download the full logs. If you want to take a look on SSH then you may want to follow the threads below:
Other users as well may provide more information.
HTH
Regards
Are you seeing which volume is filling? If so, is there a specific share that seems too large?
Check that volume quota is enabled (on the volume settings wheel) before you look for this.
I'm responding to Marc_V and StephenB thanks for your input!
I downloaded the logs yesterday, so I do have those if it becomes helpful to share them. This morning I started the Defrag again, and I will do the Scrub afterwards. Hopefully that is the right order to do them in - I will report back when they are done. I ran the Balance task yesterday and it finished very quickly - perhaps because it is only trying to balance the remaining space which is practically nothing.
This is only an issue on 1 of my 4 volumes, at this time. The volume is 6Tb & has only 1 share on it that 4-6 Windows PCs access for backups (either Norton 360 or EASUS Backup). From Windows File Manager properties, there is less than 3Tb of files, but the NAS thinks it is at 5.45Tb with only 100K remaining. When we first received an email warning that disk space was low (around 5mo ago), I deleted old backups, and assumed it was freeing up the space. I have not looked at the other volumes to see if deleted files aren't releasing their space, but will run the maintenance tasks on those too. If you suggest a different order to do the defrag, scrub, balance, I'd appreciate the input.
I looked for the Quota setting... in one place the Quota box is checked, in another place it is unchecked. From the System Tab >Volumes, I click the gear for this particular volume, then click Settings. The Summary has Checksum (unchecked) and Quota (checked). Alternatively, from the Shares Tab, I mouse over the 1 share on this volume and click the gear, then click Settings. The window that opens has a Properties Tab with Quota at the bottom (unchecked) and no size. Not sure yet how these 2 options differ - since I don't have different shares per person where I would be balancing/limited usage, maybe it doesn't matter in my case.
Appreciate any input and I will report back when defrag, scrub and balance are complete. 4Js : )
4Js_Mom wrote:
I looked for the Quota setting... in one place the Quota box is checked, in another place it is unchecked. From the System Tab >Volumes, I click the gear for this particular volume, then click Settings. The Summary has Checksum (unchecked) and Quota (checked).
That's the one I meant. You get more complete reports on space usage in the web ui with that setting checked.
4Js_Mom wrote:
I downloaded the logs yesterday, so I do have those if it becomes helpful to share them. This morning I started the Defrag again, and I will do the Scrub afterwards. I ran the Balance task yesterday and it finished very quickly
Defrag is actually a bad idea - if you do have hidden snapshots it will actually increase the space usage.
The balance might not able able to run if you have too little space left.
Do you have any apps installed? It's conceivable that a run-away app is using the space. You can look for that by access the volume from file explorer using NAS admin credentials. For instance, using cmd:
net use * /delete /y net use t: \\nas-ip-address\volume-name /user:admin nas-admin-password
using the real ip address, volume name, admin password of course. That will map the full volume to drive letter t.
If you enable viewing of hidden files/folders in Windows you will see a .apps folder Note this is only populated on one of your volumes. You can navigate into it, and see if there's a lot of space used there.
Of course you can also see this with ssh. If you do that, then the .apps folder is mounted as /apps.
One brute-force option is to copy off the backup share (either to USB or one of the other volumes). Then destroy/recreate the volume and share, and load it back. If this volume happens to hold installed apps, then you should uninstall them before you do this (reinstalling them afterwards). FWIW, if you use apps it is useful to know which jbod volume holds them.
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