I have a server with a SATA drive in it which is filling the syslogs 
with the following error:

[455740.180143] sd 2:0:0:0: [sda] Add. Sense: ATA pass through 
information available
[457540.199345] sd 2:0:0:0: [sda] Sense Key : Recovered Error [current] 
[descriptor]
[457540.199360] Descriptor sense data with sense descriptors (in hex):
[457540.199367]         72 01 00 1d 00 00 00 0e 09 0c 00 00 00 00 00 00
[457540.199384]         00 4f 00 c2 40 50

smartctl -a shows some enormous values for the following parameters:

Raw_Read_Error_Rate: 179400719
Seek_Error_Rate: 7232305
Hardware_ECC_Recovered: 179400719

However, I have just run the short and long tests from smartmontools and 
they both passed without errors.

So yes, I'm going to replace the drive immediately. But it surprised me 
that the SMART tests would pass. I'm curious if anyone else has run into 
this, and why it is the case?

Scott

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