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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

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Is the snapshot, I rolled back to using Snapper, still taking space? (lemmy.ml)

submitted 8 months ago* (last edited 8 months ago) by [email protected] to c/[email protected]

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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"

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[–] [email protected] 3 points 8 months ago (1 children)

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.

[–] [email protected] 2 points 8 months ago

According to the docs, running snapper rollback should set the right snapshot as the default.