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Deleting snapshots over SSH
I have a RN102 with 2x3TB WD Red drives in XRAID2. I have deleted all my snapshots but one (snapshotted share is 191GB). Still, snapshots take up lots of space:
It hasn't recovered "over time" so i thought about manually deleting them over SSH. Of my 5 shares 4 look like this where every folder contains lots of data (snapshotted copies of my shares):
Would i mess anything up by deleting them?
Also, is this a result of a bug? Why isn't space recovered when i delete snaps through the GUI?
Thanks!
These are snapshots that weren't upgraded when you updated from pre-6.2.x firmware to 6.2.x (or later).
You could do# touch /.force_snapshots_upgrade # systemctl restart readynasd
These snapshots should then be upgraded and you can then delete them from the web admin UI.
Space is only recovered when you delete snapshots if the snapshots you delete contain the only copy of some data. If the current data or snapshots that you do not delete also contain the data then space will not be freed up. Also when you delete snapshots the system will need to recursively update the other snapshots. This can take a little time if you have a lot of snapshots.
Once you have deleted all the snapshots that you want to and have got volume usage back below 80% I would suggest that you then run a balance.
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These are snapshots that weren't upgraded when you updated from pre-6.2.x firmware to 6.2.x (or later).
You could do# touch /.force_snapshots_upgrade # systemctl restart readynasd
These snapshots should then be upgraded and you can then delete them from the web admin UI.
Space is only recovered when you delete snapshots if the snapshots you delete contain the only copy of some data. If the current data or snapshots that you do not delete also contain the data then space will not be freed up. Also when you delete snapshots the system will need to recursively update the other snapshots. This can take a little time if you have a lot of snapshots.
Once you have deleted all the snapshots that you want to and have got volume usage back below 80% I would suggest that you then run a balance.That did it! I wonder why the snapshots didn't update before?
Thanks a lot! All solved! :)
In some cases the one-off snapshot upgrade may fail.
I am also having this problem. How do I ssh to my ReadyNAS so I can run touch the file and restart the daemon?
(It keeps refusing my connection)
OK, so I figured out that I need to enable ssh on the ReadyNas.
Now I can connect as a regular user but then can't create the /.force... file because I'm a regular user. When I try to log in as admin I get booted out.
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