- 930 名前：login:Penguin mailto:sage [2021/11/30(火) 23:33:56.40 ID:xm+y2V+c.net]
- しかたない、自分で試行錯誤
$ sudo -i
# btrfs subvolume delete /mnt/old/folder_0
Delete subvolume (no-commit): '/mnt/old/folder_0'
# btrfs subvolume snapshot -r /mnt/old/folder /mnt/old/folder_0
Create a readonly snapshot of '/mnt/old/folder' in '/mnt/old/folder_0'
#
やはり中身がない...
