RAID 1 / disk error / Offline uncorrectable sectors

[Manolis Kiagias]

Zbigniew Szalbot wrote:
> Hello Manolis,
>
>> I understand you are using the ataraid (ar) driver. I always use 
>> gmirror, but it seems they pointed you to the right place in the 
>> handbook.
>> Look at section 18.4.3 - you would probably need to do something like:
>>
>> # atacontrol list
>
> ATA channel 6:
>     Master: ad12 <ST3250310NS/SN04> Serial ATA v1.0
>     Slave:       no device present
>
> ATA channel 0:
>     Master:      no device present
>     Slave:       no device present
> ATA channel 1:
>     Master:      no device present
>     Slave:       no device present
> ATA channel 2:
>     Master:      no device present
>     Slave:       no device present
> ATA channel 3:
>     Master:      no device present
>     Slave:       no device present
> ATA channel 4:
>     Master:      no device present
>     Slave:       no device present
> ATA channel 5:
>     Master: ad10 <ST3250310NS/SN04> Serial ATA v1.0
>     Slave:       no device present
> ATA channel 6:
>     Master: ad12 <ST3250310NS/SN04> Serial ATA v1.0
>     Slave:       no device present
> ATA channel 7:
>     Master:      no device present
>     Slave:       no device present
> ATA channel 8:
>     Master:      no device present
>     Slave:       no device present
> ATA channel 9:
>     Master:      no device present
>     Slave:       no device present
> ATA channel 10:
>     Master:      no device present
>     Slave:       no device present
>
> So in this case it would be ata6? Sorry for asking confirmation for 
> every step but it is just so new to me!
>
> And thanks for the list of steps to perform!
>
> Zbigniew Szalbot
>

Yes, it is ata6
Give it a try, if the problem is serious enough, it will probably not 
even finish rebuild :(