ubuntu@ubuntu:~$ sudo fsck -a /dev/sda1
fsck from util-linux 2.26.2
/dev/sda1 contains a file system with errors, check forced.
/dev/sda1: Inodes that were part of a corrupted orphan linked list found.  

/dev/sda1: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY.
	(i.e., without -a or -p options)
ubuntu@ubuntu:~$