From: Jeff Garzik <jeff@garzik.org>
Date: Mon, 14 Aug 2006 17:50:31 GMT
Subject: Re: Compression and dictionaries
Message-ID: <44E0B7E7.6020207@garzik.org>
In-Reply-To: <Pine.LNX.4.63.0608141033080.14796@qynat.qvtvafvgr.pbz>

David Lang wrote:
> that would only tell you that what you have is garbage (and you need to 
> restore from backup(, useing a ECC costs some space, but lets you 
> recover from some errors without having to resort to backups.

ECC permits you to recover from very specific, very-limited-damage 
scenarios like bit errors.

On modern hard drives, single-bit data corruption is very very very rare 
(particularly since ECC is already employed on the platter).

	Jeff