On 2019-02-15, Mark Allums <mark@allums.email> wrote: > I just bought a new backup disk, and I want to check it. It's mounted in > a USB dock. > > Running the following gives an error: > > root@martha:~# umount /dev/sdb1 > root@martha:~# e2fsck -c -c -C 0 -f -F -k -p /dev/sdb1 > /dev/sdb1 is in use. > e2fsck: Cannot continue, aborting. > > What's causing this and how do I fix it? It's not MATE; I tried > rebooting to rescue mode, but that didn't help. > > Mark
People sometimes recommend 'fuser' in cases like these in order to identify processes that might be accessing the drive. I mean, the message says '/dev/sdb1 is in use.' Perhaps it is indeed. fuser -v -m /dev/sdb1 Worth a try, maybe, as no one else seems to have suggested it.
