Confused about fsck

[Koh Choon Lin]

Hi

> I have an external 250GB USB disk that I wish to check.  I plug in the
> disk and check it is not mounted (it appears as /dev/sdb1) and run
> sudo fsck /dev/sdb1
> This returns immediately saying that the disk is clean, whereas I had
> expected it to take a little while checking things, so it does not
> seem to be doing the same things that the check on startup does on the
> built in disk.  I can't see any options on fsck to specify what is to
> be checked.  Can someone explain what is going on?

Is your external drive a FAT32/NTFS system?



-- 
Regards
Koh Choon Lin