It would appear that Seagate Barracuda 7200.11 drives are failing at a horrifying rate so if any of you are putting them in your Raid systems or elsewhere make sure you are backing everything up.
Here are a couple of links:
http://thedambook.com/smf/index.php?topic=3887.0
A new problem has surfaced with SOME Seagate 7200.11 drives that all
> their customers need to be aware of. A firmware bug can make the
> drive totally inoperable during a power-on cycle (Meaning, by
> turning the drive on.)
>
> If you have an affected drive YOU MUST BACKUP YOUR DATA IMMEDIATELY,
> BEFOR TURNING THE DRIVE OFF. Yes, I'm shouting.
>
> You can check numbers here:
> http://seagate.custkb.com/seagate/crm/selfservice/search.jsp?DocId=207931&NewLang=en
Anyway, I'm off to check how many of mine are affected - hope this saves some grief
Mike E