Input/Output error

Paul O'Malley - gnu's not unix - ompaul at
Tue Oct 21 21:18:34 UTC 2008

Alain Muls wrote:
> Hi
> I have got a USB connected drive which crashed recently. I can still mount its 
> partitions, but for certain directories and files, I get an Input/Output error. 
> How can I diagnose this further and what action should I unertake to clean up 
> the disk.
> Tx/Alain

with USB unless you have gone out of your way to write another file 
system over the one you have then your friend is a little tool called


as long as it is not mounted

dosfsck /dev/sd.....

you change the dots for real life partition things

warning backup the rest of the key first - if it breaks you get to keep 
all the pieces :-/

Paul O'Malley

More information about the ubuntu-users mailing list