1
vote
2answers
217 views

How to unmount when umount hangs due to disconnected disk?

I have an external disk connected via USB that was accidentally disconnected uncleanly. Now lsing the directory in which it was mounted gives Input/output error. umounting the directory simply hangs. ...
14
votes
3answers
5k views

Disk Utility: What's the difference between “Unmount” and “Safe Removal”?

System > Administration > Disk Utility What's the difference between "Unmount Volume" and "Safe Removal"? Say you insert a flash drive and open the Disk Utility UI, if you click on "Safe Removal" you ...