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SubjectRe: SATA kernel-buffered read VERY slow (not raid, Promise TX300 card); 2.6.23.1(vanilla)
Linda Walsh wrote:
> Robert Hancock wrote:
>>
>> Looks like the drive reports ERR/ABRT (command aborted), meaning it
>> likely doesn't support those commands.
>>
> ---
> Except the PATA version of the drive does (same capacity, & other
> specs). Seagate would
> disable "advanced" features for SATA but leave them for the older
> technology? Possible,
> but doesn't seem likely.

If this is a Seagate, I believe that they don't have AAM enabled on any
of their newer drives (something about a lawsuit for patent infringement
on that feature, or something). Quite likely they don't support that
power management command, either.


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