File systems possibly impacted by a bad sector in a disk drive are unmounted. Then the disk drive is scanned in order to identify additional bad sectors, and for each identified bad sector, a logical address of the bad sector is re-vectored to a good sector. An attempt is made to restore the data of...http://www.google.de/patents/US7890796?utm_source=gb-gplus-sharePatent US7890796 - Automatic media error correction in a file server
