Max,

183 Unknown_Attribute   0x0032   100   100   000    Old_age   Always - 0
184 Unknown_Attribute   0x0032   100   100   099    Old_age   Always - 0
188 Unknown_Attribute   0x0032   100   096   000    Old_age   Always - 40
240 Head_Flying_Hours   0x0000   100   253   000    Old_age   Offline 
- 52922587022648
241 Unknown_Attribute   0x0000   100   253   000    Old_age   Offline 
- 3670449033
242 Unknown_Attribute   0x0000   100   253   000    Old_age   Offline 
- 1281759603

I believe the above attributes are as described in Wikipedia:

http://en.wikipedia.org/wiki/S.M.A.R.T.#Known_ATA_S.M.A.R.T._attributes

Head flying hours appears to be a multi-byte attribute:

52922587022648 = 0x302200000538

It should be fairly easy to test the "Total LBAs Read" attribute 
(#242). Just compare the "Raw Read Error Rate" with "Total LBAs Read" 
after reading several thousand sectors. They should increment by 
approximately (exactly?) the same amount, assuming that the RRER has 
not rolled over to 0, and assuming that the read look ahead buffer is 
counted by both attributes.

-Franc


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