disk error

Peter Boosten peter at boosten.org
Sat Feb 16 18:30:43 UTC 2008

Brian A. Seklecki wrote:
> On Sat, 2008-02-16 at 17:59 +0100, Peter Boosten wrote:
>> Hi all,
>> Just found these messages in my logfile. Is it something to worry about?
>> I've never seen them before upgrading to 6.3.
>> ra kernel: ad0: TIMEOUT - READ_DMA48 retrying (1 retry left) LBA=281550271
>> ra kernel: ad0: FAILURE - READ_DMA48 status=51<READY,DSC,ERROR> 
>> error=4<ABORTED> LBA=281550271
> Yea -- normally that means a bad sector(*), and where there's one,
> there's bound to be more.  Failed drive eventually.
> I would pull this server from rotation and run a full surface sector
> scan on it (download an ISO of "Hiran's Boot CD")

Brian, thanks for your answer (and sugggestion).

Isn't a drive supposed to mark a bad sector as bad and ignore it (that 
is: not use it anymore)?


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