I have a problem, deleting PBS backups does not free up space, what configuration should I have for that to happen??
I can´t get space if i delete backups on PBS
- Thread starter BetoAndujo
- Start date
You first have to prune the backups. Then you have to wait for at least 24 hours and 5 minutes. When you then run a GC task the space should be freed up. If it is still not freed up (this 1 day between prune and GC is important) check if you got snapshots or missing discard/trim preventing the storage from freeing up old data.
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Its like I described:
1.) do a prune...this will delete the backup snapshots but won't remove any chunks so space is still used
2.) wait for at least 24 hours and 5 minutes
3.) run a GC task. This will then actually delete the unneeded chunks and free up the space but only if 24 hours and 5 minutes passed between the prune and the GC.
So yes, you have to wait for a day and can't immediately delete stuff or free up space.
1.) do a prune...this will delete the backup snapshots but won't remove any chunks so space is still used
2.) wait for at least 24 hours and 5 minutes
3.) run a GC task. This will then actually delete the unneeded chunks and free up the space but only if 24 hours and 5 minutes passed between the prune and the GC.
So yes, you have to wait for a day and can't immediately delete stuff or free up space.
I changed the settings like this, as you said i have to wait 24 hours and 5 minutes i think this is correct
Or i should configure
GCS at sun 18:00
Prune Schedule at sat 12:00
Or i should configure
GCS at sun 18:00
Prune Schedule at sat 12:00
There GC is running 24 hours and 10 minutes before the prune. Not GC after prune. If you want to free up space as fast as possible I would run the prune sat 12:00 and the gc sun 13:00. Not sure how fast or big your storage is, but the prune can take a moment too.
so.... similar issue but i went nuclear and did an rm -r on the mounted directory that made the data store. when that didnt work I launched gdisk and wiped my data drive. i then added a partition back and the damn thing still shows 95% full
i gather its the "chunks" that i need to delete but you are saying you just have to wait a day?
is there not a way to force it?
i gather its the "chunks" that i need to delete but you are saying you just have to wait a day?
is there not a way to force it?
There is a non-recommended way to delete the data immediately ...
Code:
find /path2pbs-datastore/.chunks -type f -print0 | xargs -0 touch -d "-2 days".... and GarbageCollect.
Thank you @Ernst T. for the solution.
While I apresahte that this is not the "recomended" way, sometimes when you have no choice "like when your filesystem is full" because you forgot to put a max amount of backups to keep; you just cant wait ~2 days for it to resolve itself as backups in the meantime will be failing.
Code:
2024-07-29T09:38:41+00:00: processed 98% (648983 chunks)
2024-07-29T09:38:44+00:00: processed 99% (655690 chunks)
2024-07-29T09:38:46+00:00: Removed garbage: 1.409 TiB
2024-07-29T09:38:46+00:00: Removed chunks: 462615
2024-07-29T09:38:46+00:00: Original data usage: 6.674 TiB
2024-07-29T09:38:46+00:00: On-Disk usage: 562.618 GiB (8.23%)
2024-07-29T09:38:46+00:00: On-Disk chunks: 199797
2024-07-29T09:38:46+00:00: Deduplication factor: 12.15
2024-07-29T09:38:46+00:00: Average chunk size: 2.884 MiB
2024-07-29T09:38:46+00:00: TASK OKThanks again for the solution.