Changes between Initial Version and Version 1 of AttributesWestern-Digital


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Timestamp:
Jul 30, 2009, 2:51:09 AM (13 years ago)
Author:
Gabriele Pohl
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Move page from old wiki to here

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  • AttributesWestern-Digital

    v1 v1  
     1== >> Western-Digital Devices << ==
     2
     3=== Interpretation of S.M.A.R.T. Attributes ===
     4|| '''Device Model''' || '''Attributes ID#''' || '''Attributes Name''' || '''Special''' || '''Description''' ||
     5||   || 1 || Raw Read Error Rate ||   || Frequency of errors while reading raw data from a disk. ||
     6||   || 2 || Throughput Performance ||   || Average efficiency of a hard disk. ||
     7||   || 3 || Spin Up Time ||   || Time needed by spindle to spin-up. ||
     8||   || 4 || Start/Stop Count ||   || Number of start/stop cycles of spindle. ||
     9||   || 5 || Reallocated Sector Count ||   || Quantity of remapped sectors. ||
     10||   || 6 || Start/Stop Count ||   || Number of start/stop cycles of spindle. ||
     11||   || 7 || Seek Error Rate ||   || Frequency of errors appearance while positioning. ||
     12||   || 8 || Seek Time Performance ||   || The average efficiency of operations while positioning. ||
     13||   || 9 || Power-On Hours Count ||   || Quantity of elapsed hours in the switched-on state. ||
     14||   ||   ||   ||   ||   ||
     15||   || '''10''' || '''Spin-up Retry Count''' || (!) || Number of retry attempts, that were needed to reach the operational speed of the spindle. ||
     16||   ||   |||||| ''Western Digital firmware initializes SMART Attribute 10 after either 120 spin-ups or 8 power-on hours. Until that time, they have the uninitialized value 253.'' ||
     17||   ||   ||   ||   ||   ||
     18||   || '''11''' || '''Calibration Retry Count''' || (!) || Number of attempts to calibrate a drive. ||
     19||   ||   |||||| ''Western Digital firmware initializes SMART Attribute 11 after either 120 spin-ups or 8 power-on hours. Until that time, they have the uninitialized value 253.'' ||
     20||   ||   ||   ||   ||   ||
     21||   || 12 || Power Cycle Count ||   || Number of complete power on/off cycles of hard disk. ||
     22||   || 13 || Soft Read Error Rate ||   || Frequency of program errors appearance while reading data from a disk. ||
     23|| ''<unknown>'' || 192 || Power-Off Retract Cycle ||   || Number of power-off cycles. ||
     24||   || 193 || Load/Unload Cycle Count ||   || Number of cycles into Landing Zone position. ||
     25|| not all (which?) || 194 || HDA Temperature ||   || Temperature of a Hard Disk Assembly. ||
     26|| ''<unknown>'' || 195 || Hardware ECC Recovered ||   || Frequency of the on the fly errors. ||
     27|| not all (which?) || 196 || Reallocated Event Count ||   || Number of remap operations. That means replacing a bad sector by one from the spare area. ||
     28||   || 197 || Current Pending Sector Count ||   || Current number of unstable sectors (waiting for remapping). ||
     29|| ''<unknown>'' || 198 || Offline Scan Uncorrectable Count ||   || Number of uncorrected errors. ||
     30||   ||   ||   ||   ||   ||
     31|| not all (which?) || '''199''' || '''UltraDMA CRC Error Rate''' || (!) || Total number of errors CRC during UltraDMA mode. ||
     32||   ||   |||||| ''Western Digital firmware initializes SMART Attribute 199 after either 120 spin-ups or 8 power-on hours. Until that time, they have the uninitialized value 253.'' ||
     33||   ||   ||   ||   ||   ||
     34||   || 200 || Write Error Rate ||   || Multi Zone Error Rate. ||
     35||   || 201 || Soft Read Error Rate ||   || Frequency of program errors appearance while reading data from a disk. ||
     36|| ''<unknown>'' || 202 || Data Address Mark Errors ||   || Number of Data Address Mark (DAM) errors (or) vendor-specific. ||
     37|| ''<unknown>'' || 203 || Run Out Cancel ||   || Number of the ECC errors (Maxtor: ECC Errors). ||
     38|| ''<unknown>'' || 204 || Soft ECC Correction ||   || Quantity of errors corrected by software ECC. ||
     39|| ''<unknown>'' || 205 || Thermal Asperity Rate (TAR) ||   || Frequency of the thermal asperity errors. ||
     40|| ''<unknown>'' || 206 || Flying Height ||   || The height of the disk heads above the disk surface. ||
     41|| ''<unknown>'' || 207 || Spin High Current ||   || Amount of high current used to spin up the drive. ||
     42|| ''<unknown>'' || 208 || Spin Buzz ||   || Number of buzz routines to spin up the drive. ||
     43|| ''<unknown>'' || 209 || Offline Seek Performance ||   || Drive's seek performance during offline operations. (Relation to Seek Time Performance - #8?) ||
     44|| ''<unknown>'' || 220 || Disk Shift ||   || Shift of disk is possible as a result of strong shock loading in the store, as a result of it's falling or for other reasons (sometimes: Temperature) ||
     45|| ''<unknown>'' || 221 || G-Sense Error Rate ||   || Frequency of mistakes as a result of impact loads as detected by a shock sensor(?). ||
     46|| ''<unknown>'' || 222 || Loaded Hours ||   || Number of hours in general operational state. ||
     47|| ''<unknown>'' || 223 || Load/Unload Retry Count ||   || Loading on drive caused by numerous recurrences of operations, like reading, recording, positioning of heads, etc. ||
     48|| ''<unknown>'' || 224 || Load Friction ||   || Load on drive caused by friction in mechanical parts of the store. ||
     49|| ''<unknown>'' || 225 || Load/Unload Cycle Count ||   || Number of cycles into Landing Zone position. ||
     50|| ''<unknown>'' || 226 || Load-in Time ||   || General time of loading for drive. ||
     51|| ''<unknown>'' || 227 || Torque Amplification Count ||   || Quantity efforts of the rotating moment of a drive. ||
     52|| ''<unknown>'' || 228 || Power-Off Retract Cycle ||   || Number of power-off cycles (Fujitsu: Emergency Retract Cycle Count). ||
     53|| ''<unknown>'' || 230 || GMR Head Amplitude ||   || Amplitude of heads trembling (GMR-head) in running mode. ||
     54|| ''<unknown>'' || 231 || Temperature ||   || Temperature of a drive. ||
     55|| ''<unknown>'' || 240 || Head Flying Hours ||   || Time while head is positioning. ||
     56|| ''<unknown>'' || 250 || Read Error Retry Rate ||   || Number of errors while reading from a disk. ||
     57
     58'''References:''' http://www.ariolic.com/activesmart/smart-attributes/