On Wed, 4 May 2005, Charles Swiger wrote:
> On May 4, 2005, at 11:20 AM, Stephen Borrill wrote:
>> Got a RAID 1 set of identical Maxtor 6Y080M0 80GB S-ATA drives. One seems 
>> to have developed a bad sector or two:
>> 
>> wd2a: error reading fsbn 845648 of 845648-845663 (wd2 bn 847664; cn 840 tn 
>> 14 sn 62)wd2: (uncorrectable data error)
>> [ ... ]
>> Is there any way to mark bad sectors in the underlying components so that 
>> RAIDframe will ignore them? Is doing such a thing a sensible move? 
>> bad144/badsect don't seem appropriate.
>
> No, it's not a sensible move.  Modern ATA drives already use ECC and migrate 
> bad sectors to the spare sectors automaticly.  You don't see errors until the 
> drive has had so many bad sectors appear that it has used up all of the 
> replacement spare sectors.

I thought that might be the case.

> You should replace this drive ASAP, because it may well fail completely, and 
> soon...

It's odd, I've had 5 of these same drives fail in the last few months 
(with the same mobo model). It got me almost thinking it was a bug in the 
driver for the chipset.

-- 
Stephen