Quote about current situation:<p><i>Typical consumer grade hard drives have a target of one unreadable bit for every 10^14 read from disk (10^14 bits is about 12 TB, so if you have six 2 TB disks in an array, that array probably has an error on it);</i><p>That's an error unrecoverable by the hardware, passed to the system software - if it hits an encrypted or compressed archive, with no ECC itself, the whole bundle of data is corrupted. Photos, music, movies, etc. probably fare better.<p>The article does not specify if the 10^14 number is going up in the new hardware. If not ...