Re: Random shutdown of disks using sata_mv

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On 12/01/2009 11:29 PM, Simon Jackson wrote:
> We are investigating a similar type of problem seen on several of
> our systems.  Seemingly at random (though some systems seem more
> susceptible than others) we see the ata link reset and subsequently
> there is a FAILED TO IDENTIFY error logged.  smartctl is unable to
> get information from the drive and a power cycle of the drive is
> required to bring it back on line.
>
> I would be interested to know if the ata level errors are similar to
> those we are seeing.

Posting kernel messages would be helpful.  Just in case, there was a
similar report where the new devicekit based smart polling caused HSM
violation errors and device shutdown on certain SSDs with flaky
firmwares.

Thanks.

-- 
tejun
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