序言： 几年前，我的笔记本电脑掉了下来，后来无法挂载 sda1 磁盘。我用实时的 USB ubuntu 发行版恢复了它。从那以后，我的笔记本电脑从未像现在这样流畅。
问：我在更新期间收到此警告消息：
cryptsetup: WARNING: failed to detect canonical device of /dev/sda1
/etc/fstab 和 /etc/crypttab 中的视图显示：
$ cat /etc/fstab
# /etc/fstab: static file system information.
#
# Use 'blkid -o value -s UUID' 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).
#
# <file system> <mount point> …