Both drives already had PM disabled, visible in hdparm -i:
"AdvancedPM=yes: disabled (255) WriteCache=enabled"

Looking at the smart reporting, it is showing both drives have a
FAILING_NOW condition for Seek_Error_Rate. I don't know what to
believe, because it seems like whatever drives I attach to this system
are chewed up and start showing Seek_Error_Rate failure conditions.

 7 Seek_Error_Rate         0x000b   046   046   067    Pre-fail
Always   FAILING_NOW 393853
 7 Seek_Error_Rate         0x000b   044   044   067    Pre-fail
Always   FAILING_NOW 2556544

I swapped in 2 more drives of the same model, and one exhibits the
same Seek_Error_Rate FAILING_NOW condition. I now have 4 out of 5 of
this same model drive which are failing. They appear to be from the
same batch, so I'm not ruling out some kind of manufacturing defect,
but this definitely seems strange. I guess I'm just fishing to see if
there is anything on the system that could have damaged the drives.


On Jan 27, 2008 1:33 PM, Jim Paris <[EMAIL PROTECTED]> wrote:
> Andrew Paprocki wrote:
> > I've been noticing something strange on an AMD Geode LX board that I
> > have.. I have two SATA drives connected to the onboard Sil3114 chip,
> > and the drives appear to be continually restarting (soft resetting?)
> > during normal operation when nothing at all is happening on the
> > machine. You can hear the drives doing it as well as feel it
> > physically if you touch the drive. They are spinning down and back up
> > again over and over again. All the while the OS never prints out any
> > ata/scsi problems. The only manifestation of this in the kernel is
> > that if you're doing something w/ the drives, it pauses momentarily
> > while this happens (for instance, during an ext3 format).
> It could be drive power management.  Try "hdparm -B 255" or "hdparm -B
> 254" to turn that off.  The output of "smartctl -A" output can also be
> helpful to figure out what's causing it.
> -jim
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