有人能解释一下如何卸载磁盘以执行 fsck 吗?我收到矛盾的错误:
fred@ARAGORN:/media/fred$ sudo fsck /dev/sdd1
fsck from util-linux 2.20.1
e2fsck 1.42.9 (4-Feb-2014)
/dev/sdd1 is mounted.
e2fsck: Cannot continue, aborting.
fred@ARAGORN:/media/fred$ sudo umount /dev/sdd1
umount: /dev/sdd1: not mounted
fred@ARAGORN:/media/fred$ sudo fsck /dev/sdd1
fsck from util-linux 2.20.1
e2fsck 1.42.9 (4-Feb-2014)
/dev/sdd1 is mounted.
e2fsck: Cannot continue, aborting.
fred@ARAGORN:/media/fred$ sudo umount /dev/sdd1
umount: /dev/sdd1: not mounted
fred@ARAGORN:/media/fred$