RAID 1 / disk error / Offline uncorrectable sectors

Manolis Kiagias sonic2000gr at
Mon Jun 16 15:06:51 UTC 2008

Zbigniew Szalbot wrote:
> Hi Manolis,
>> Yes, it is ata6
>> Give it a try, if the problem is serious enough, it will probably not 
>> even finish rebuild :(
> Detaching and ataching went well but when I issued
> atacontrol addspare ar0 ad12
> it said
> atacontrol: ioctl(IOCATARAIDADDSPARE): Device busy
> I am not sure if that means I should wait or rather that it is mission 
> impossible?
> Thanks!
> Zbigniew Szalbot


atacontrol status ar0

Since you haven't actually removed/replaced ad12 you may simply have to 
continue with:

atacontrol rebuild ar0

but see what status says first.

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