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Stick to the SMART values mentioned in the FAQ for failure probability calculation #17

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Stick to the SMART values mentioned in the FAQ for failure probability calculation #17

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70 changes: 0 additions & 70 deletions cmdline/device.c
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Original file line number Diff line number Diff line change
Expand Up @@ -241,70 +241,6 @@ static double SMART_188_R[SMART_MEASURES] = {
1.3731,
};

/*
* Divider for SMART attribute 193
*/
static unsigned SMART_193_STEP = 649;

/*
* Failure rate for 30 days, for a disk
* with SMART attribute 193 at a given value.
*/
static double SMART_193_R[SMART_MEASURES] = {
0.0000, 0.0016, 0.0032, 0.0036, 0.0039,
0.0042, 0.0046, 0.0049, 0.0052, 0.0054,
0.0057, 0.0060, 0.0062, 0.0065, 0.0068,
0.0071, 0.0074, 0.0077, 0.0080, 0.0083,
0.0086, 0.0091, 0.0094, 0.0098, 0.0101,
0.0104, 0.0108, 0.0111, 0.0119, 0.0122,
0.0127, 0.0130, 0.0134, 0.0137, 0.0141,
0.0144, 0.0146, 0.0152, 0.0155, 0.0159,
0.0163, 0.0165, 0.0168, 0.0172, 0.0176,
0.0179, 0.0184, 0.0188, 0.0190, 0.0194,
0.0197, 0.0201, 0.0204, 0.0207, 0.0209,
0.0213, 0.0215, 0.0219, 0.0221, 0.0225,
0.0229, 0.0234, 0.0241, 0.0246, 0.0253,
0.0263, 0.0278, 0.0286, 0.0293, 0.0298,
0.0302, 0.0306, 0.0311, 0.0315, 0.0319,
0.0322, 0.0329, 0.0334, 0.0338, 0.0343,
0.0348, 0.0352, 0.0358, 0.0362, 0.0367,
0.0371, 0.0374, 0.0378, 0.0383, 0.0388,
0.0393, 0.0397, 0.0401, 0.0404, 0.0410,
0.0416, 0.0422, 0.0428, 0.0436, 0.0443,
0.0449, 0.0454, 0.0457, 0.0462, 0.0468,
0.0473, 0.0479, 0.0483, 0.0488, 0.0491,
0.0493, 0.0497, 0.0500, 0.0504, 0.0507,
0.0510, 0.0514, 0.0519, 0.0523, 0.0528,
0.0533, 0.0538, 0.0542, 0.0547, 0.0551,
0.0556, 0.0560, 0.0565, 0.0572, 0.0577,
0.0584, 0.0590, 0.0594, 0.0599, 0.0603,
0.0607, 0.0611, 0.0616, 0.0621, 0.0626,
0.0632, 0.0639, 0.0647, 0.0655, 0.0661,
0.0669, 0.0676, 0.0683, 0.0691, 0.0699,
0.0708, 0.0713, 0.0719, 0.0724, 0.0730,
0.0736, 0.0745, 0.0751, 0.0759, 0.0769,
0.0779, 0.0787, 0.0796, 0.0804, 0.0815,
0.0825, 0.0833, 0.0840, 0.0847, 0.0854,
0.0859, 0.0865, 0.0873, 0.0881, 0.0890,
0.0900, 0.0912, 0.0919, 0.0929, 0.0942,
0.0956, 0.0965, 0.0976, 0.0986, 0.0995,
0.1006, 0.1019, 0.1031, 0.1038, 0.1045,
0.1051, 0.1058, 0.1066, 0.1072, 0.1077,
0.1084, 0.1091, 0.1099, 0.1104, 0.1111,
0.1118, 0.1127, 0.1135, 0.1142, 0.1149,
0.1157, 0.1163, 0.1168, 0.1173, 0.1179,
0.1184, 0.1189, 0.1195, 0.1203, 0.1208,
0.1213, 0.1223, 0.1231, 0.1240, 0.1246,
0.1252, 0.1260, 0.1269, 0.1276, 0.1287,
0.1303, 0.1311, 0.1319, 0.1328, 0.1335,
0.1341, 0.1348, 0.1362, 0.1373, 0.1380,
0.1387, 0.1392, 0.1398, 0.1403, 0.1408,
0.1412, 0.1418, 0.1422, 0.1428, 0.1434,
0.1439, 0.1445, 0.1451, 0.1457, 0.1464,
0.1469, 0.1475, 0.1480, 0.1486, 0.1491,
0.1498,
};

/*
* Divider for SMART attribute 197
*/
Expand Down Expand Up @@ -501,12 +437,6 @@ static double smart_afr(uint64_t* smart, const char* model)
afr = r;
}

if (smart[193] != SMART_UNASSIGNED) {
double r = smart_afr_value(SMART_193_R, SMART_193_STEP, smart[193] & mask32);
if (afr < r)
afr = r;
}

if (smart[197] != SMART_UNASSIGNED) {
double r = smart_afr_value(SMART_197_R, SMART_197_STEP, smart[197] & mask32);
if (afr < r)
Expand Down