Delta Embedded DVR User Manual Page 77

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S.M.A.R.T:“Self‐Monitoring,AnalysisandReportingTechnology”
S.M.A.R.THDDcananalysishead,disc,motor,circuitoperation,historyanddefaultsecurityvaluesvia
monitorinstructioninHDDandsurveillancesoftwareinhost.Alarmwillbesenttouserautomatically
whenthevalueisoutsidethescopeofthesecuritysituation.
DetectionparametersofSeagateHDDforexamplearedividedintoseven:IDdetectioncode,Attribute
Description,Threshold,AttributeValue,Worst,Date,andStatus.
1IDdetectioncode
IDdetectioncodeisnottheonly;manufacturercanusedifferentIDcodeorincreaseordecreaseits
quantityaccordingtothedetectedparameter’squantity.
Forexample:theIDdetectioncodeofWEASTERNDIGITAL’sproductis“04”,parameterisStart/Stop
Count,buttheparameterofsamecodeinFujitsu’sproductis“Numberoftimesthespindlemotoris
activated”.
2AttributeDescription
AttributeDescription:nameofdetectionitem.Manufacturercanincreaseordecrease.AsATA
standardupdateconstantly,sometimesdifferentmodelsinsamebrandmaybedifferent,butmust
ensuremajortestitemsspecifiedinS.M.A.R.T.(althoughdifferentmanufacturershavespecificnaming
convention,theessenceofmonitoringisthesame.)
1ReadErrorRate
2SpinupTime
4Start/StopCount
5RelocatedSectorCount
7SeekErrorRate
9Power‐onHoursCount
10SpinupRetryCount
194Powertemperatures
195ECContheFlycount
197CurrentPendingSectorCount
198Disconnectionbeyondrepair
199CRCcyclicredundancycheck
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