Delta Embedded DVR Manual de usuario descargar pdf (Pagina 77)

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 76/85

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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IDdetectioncode

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AttributeDescription

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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Delta Embedded DVR Manual de usuario Pagina 77