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Forum Discussion
Best way to monitor snapshot disk space?
Is there any good way to monitor how much space is being consumed by snapshots? I am running on a NAS with somewhat limited space (using about 65% at the moment). And I have snapshots for all my sh...
StephenB wrote: /data is a volume, the shares are subvolumes. You can see the full subvolume list with "btrfs subvolume list /data"
Yea ok. It looks like snapshots are also considered subvolumes?
I was able to get my script working last night (in case anyone is interested). Basically it gives you a report of which snapshots have the most exclusive storage.
Turns out though this is not quite as useful as I was imagining... Basically if you store 500G in a share, make two snapshots, and then delete the 500G that 500G is really shared between the two snapshots. So, it figuring out how much exclusive storage is held by a snapshot might not be very useful when lots of snapshots are being taken.
Anyone got something to help remove snapshots (aside from using the frontend?)
All this makes me think that snapshot management might be a useful add-on
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