Hi, I am faced with a strange problem. I have a BTRFS snapshot that I want to delete but just can't.
So I always manipulate BTRFS snapshots from a live-cd environment which I setup using the following commands: sudo cryptsetup open /dev/sda3 dm-crypt <<GIVE PASSWORD>> sudo mount /dev/mapper/dm-crypt /mnt Now I can query the snapshots: $ sudo btrfs subvolume list /mnt ID 448 gen 235989 top level 5 path root ID 449 gen 0 top level 5 path before_live_cd_exp I want to delete the snapshot "before_live_cd_exp", which I am unable to do: $ sudo btrfs subvolume delete /mnt/before_live_cd_exp/ ERROR: Not a Btrfs subvolume: Invalid argument What does it mean it's not a Btrfs subvolume ? It was picked up by the list command. I also tried via the subvolid: $ sudo btrfs subvolume delete --subvolid 449 /mnt Delete subvolume (no-commit): '/mnt/before_live_cd_exp' ERROR: Could not destroy subvolume/snapshot: No such file or directory This is even weirder since as you can clearly see the directory exists in the given path. Any suggestions on what is going wrong ? I should tell you that a while back I had a huge BTRFS file system crash, and it took a lot of targeted help from the community to get my system to boot. This may be related to that you can find the long discussion here: https://lists.fedoraproject.org/archives/list/users@lists.fedoraproject.org/thread/CKYVNI7OP4ECK6JC242S3TYEP2NA3HEY/#OGZLAWZXU5GCCQRKY3KI6D475LRH47FN -- Regards, Sreyan Chakravarty
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