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How much snapshot is really using
I'm trying to figure out how much space i'm actually using for snapshots. I think it's 0, but the number on the usage pie chart says otherwise. When i try to browse the snapshots there's nothing ther...
vrspectre wrote:
If I got into the .snapshots folder of each share and just delete everything there is that going to break anything?
I think a better path is to create temporary share (tDrew), and then copy the contents from Drew into it (not .snapshots of course). Then delete the Drew share, and rename tDrew to Drew.
After that I suggest running a balance from the volume settings wheel.
Keeping in mind that I have no idea how to read the logs it would appear that there are indeed snapshots that just aren't showing up in the UI. There are lines like this for other shares as well. Is there a way to prune all the snapshots for the entire share?
D 60532 gen 4188789 top level 265 path Drew/.snapshots/4449/snapshot
ID 60564 gen 4188789 top level 265 path Drew/.snapshots/4457/snapshot
ID 60568 gen 4188789 top level 265 path Drew/.snapshots/4458/snapshot
ID 60572 gen 4188789 top level 265 path Drew/.snapshots/4459/snapshot
ID 60576 gen 4188789 top level 265 path Drew/.snapshots/4460/snapshot
ID 60580 gen 4188789 top level 265 path Drew/.snapshots/4461/snapshot
ID 60584 gen 4188789 top level 265 path Drew/.snapshots/4462/snapshot
ID 60588 gen 4188789 top level 265 path Drew/.snapshots/4463/snapshot
ID 60592 gen 4188789 top level 265 path Drew/.snapshots/4464/snapshot
ID 61860 gen 4188789 top level 265 path Drew/.snapshots/4773/snapshot
ID 61864 gen 4188789 top level 265 path Drew/.snapshots/4774/snapshot
ID 61868 gen 4188789 top level 265 path Drew/.snapshots/4775/snapshot
ID 61872 gen 4188789 top level 265 path Drew/.snapshots/4776/snapshot
ID 61876 gen 4188789 top level 265 path Drew/.snapshots/4777/snapshot
ID 61880 gen 4188789 top level 265 path Drew/.snapshots/4778/snapshot
ID 134488 gen 4188789 top level 265 path Drew/.snapshots/17721/snapshot
ID 134492 gen 4188789 top level 265 path Drew/.snapshots/17722/snapshot
ID 134496 gen 4188789 top level 265 path Drew/.snapshots/17723/snapshot
Those are snapshots. If you had no snapshots you'd expect to still see
Drew/.snapshots
but not any of the snapshots e.g.
Drew/.snapshots/4457/snapshot
These snapshots can be pruned using SSH.
It's odd that these snapshots aren't showing in the GUI.
If I got into the .snapshots folder of each share and just delete everything there is that going to break anything?
vrspectre wrote:
If I got into the .snapshots folder of each share and just delete everything there is that going to break anything?
I think a better path is to create temporary share (tDrew), and then copy the contents from Drew into it (not .snapshots of course). Then delete the Drew share, and rename tDrew to Drew.
After that I suggest running a balance from the volume settings wheel.
oh that's probably a better idea. However it's going to muck around with other things. I have these shares auto mount on my computers when they login so i'll have to recreate that. Plus I used readynas vault so that's going to double my storage while i clean it up.
Going into the .snapshots folder and each share and trying to delete everything isn't going to work.
These snapshots can be pruned using SSH e.g.
# for snap in $(ls -1ad /data/*/.snapshots/*/snapshot);do btrfs subvolume delete $snap;sleep 2;done;
The for loop is probably a better way to do it than trying to use a single command (see below) if you have a lot of snapshots.
# btrfs subvolume delete /data/Drew/.snapshots/*/snapshot
Note don't copy the #. It's important not to blindly copy shell commands but to try to understand what they do. It may take quite a while to delete the snapshots especially if there is a lot of them.
You can then do
# btrfs subvolume list /data
To see what's left.
This shouldn't break anything. As they aren't showing in the GUI the method I describe above should be fine. If they were in the GUI then they should be deleted a different way.
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