ubuntu@ubuntu:~$ sudo fsck -p /dev/sdb1
fsck from util-linux 2.20.1
/dev/sdb1 contains a file system with errors, check forced.
Error reading block 75771954 (Attempt to read block from filesystem resulted in short read).  

/dev/sdb1: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY.
	(i.e., without -a or -p options)
ubuntu@ubuntu:~$