# /etc/fstab: static file system information.## Use 'blkid' to print the universally unique identifier for a# device; this may be used with UUID= as a more robust way to name devices# that works even if disks are added and removed. See fstab(5).### / was on /dev/sda1 during installationUUID=1eac6d7f-e011-42ec-b548-2d604ebc18a5 / btrfs defaults,subvol=@ 0 1# /home was on /dev/sda1 during installationUUID=1eac6d7f-e011-42ec-b548-2d604ebc18a5 /home btrfs defaults,subvol=@home 0 2# /opt was on /dev/sda6 during installationUUID=31bbdc58-7823-48dd-b7f3-eafa9f97bd66 /opt btrfs defaults 0 2# swap was on /dev/sda5 during installationUUID=ff8945bf-fa45-49e5-b3d2-bb833bc6dc9c none swap sw 0 0
我是用btrfs安装 ubuntu 发现 /home 使用了 subvol模式