Re: New filesystem for Linux

From: Alan Cox
Date: Sun Nov 05 2006 - 07:42:38 EST


Ar Sul, 2006-11-05 am 15:27 +0400, ysgrifennodd Brad Campbell:
> I've never seen this behaviour in a drive. All the drives I've seen mark bad sectors as "pending
> reallocation", they they return read errors on that sector unless they manage to jag a good read, in
> which case they then reallocate the sector. Or else they wait for you to write to the sector
> triggering a reallocation.

If a drive finds a sector has a high amount of error but readable it can
certainly relocate it and I'd hope it does it atomically as a
transaction. You wouldn't see it as unlike SCSI the ATA world doesn't
have an "I got your sector and did a rewrite" return code
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