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Snapshots using 500GB but never turned on.....why? (And how to recover the space)
GUI showing 500GB of space being used by Snapshots (and it grows every day). I do not have snapshots turned on, have never had them turned on (to my knowledge), and cannot find any snapshots in the admin-gui or even after logging into the device using putty/ssh.
Besides the snapshot issue, I only have 835GB of data on 2x4TB hard drives but am only showing 115GB of usable space left.
I have balanced, defragged, and am now scrubbing. No gaining of space after the balance or defrags.
Any suggestions??
wrote:
I tried the "btrfs subvolume delete /data/BayBlueprint/.snapshots" but it gave me an error:
ERROR: cannot delete .......Directory not empty
I'll need to figure out if I can force a delete or recursively delete.
Each folder in /data/BayBlueprint/.snapshots is a subvolume, so I guess you do need to delete those. Try deleting one of them - for instance btrfs subvolume delete /data/BayBlueprint/.snapshots/5/snapshot
There is no recursive delete option, though I guess you could try to build a script. If you don't have too many, it's probably easiest to just change the /5/ to another snapshot index and redoing the command.
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A brute-force approach is to back up the data, do a factory reset, rebuild the NAS configuration and then restore the data from backup.
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