> Sorry, don't have a thread reference
> to hand just now.

http://www.opensolaris.org/jive/thread.jspa?threadID=100296

Note that there's little empirical evidence that this is directly applicable to 
the kinds of errors (single bit, or otherwise) that a single failing disk 
medium would produce.  Modern disks already include and rely on a lot of ECC as 
part of ordinary operation, below the level usually seen by the host.  These 
mechanisms seem unlikely to return a read with just one (or a few) bit errors.

This strikes me, if implemented, as potentially more applicable to errors 
introduced from other sources (controller/bus transfer errors, non-ecc memory, 
weak power supply, etc).  Still handy.
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