A few months ago, I rolled back to a previous btrfs snapshot using Snapper. Now I am constantly running out of space, no matter how many packages I delete and I’m wondering if that is the reason. The snapshot list looks like this:
$ sudo snapper -c root list
# | Type | Pre # | Date | User | Cleanup | Description | Userdata
------+--------+-------+----------------------------------+------+---------+------------------------+---------
0 | single | | | root | | current |
1137+ | single | | Thu 31 Aug 2023 07:55:47 PM CEST | root | | writable copy of #1115 |
Does snapshot 1137 contain all the changes made since August? I so, can I somehow delete it?
EDIT Changed “snapshot 0” to “snapshot 1137”
You can find out:
snapper --iso list should include a column “Used space” in its output.
snapper delete --sync *ID* deletes a snapshot and frees up space.
Nb: I am not a Snapper user personally. The link above takes you to the official docs.
I don’t have the “Used space” column, probably because I have quota disabled. I managed to find out using btdu, that the snapshot 1137 takes ~8.3 GiB.
I cannot delete it using that command, because it is marked with “+” which means it is the “btrfs default subvolume”, according to snapper manual. I wonder if there is still a way to get rid of it.
