6-16 Chapter 6: Solid State Drive Optimization
SMART Attributes
Eachdriveoperatesunderapredefinedsetofattributesandcorrespondingthreshold
values,ofwhichthedriveshouldnotpassduringnormaloperation.Eachattribute
hasarawvalue(definedbythemanufacturer)andanormalizedvalue.
UsethisoptiontoviewthestandardIdentifyDeviceinformationfortheSSD.
1. FromtheMainScre
en,clickonCheckSMARTAttributes.Thefollowingscreenis
displayed.
Spin Up Time
Theaveragetimeittakesthespindletospinup.SinceaSSDhasnomoveableparts,
thisattributereportsafixedrawvalueofzero(0)andafixednormalizedvalueof100.
UsetheRawvalueforthisattribute.
Start/Stop Count
ThistypeofeventisnotanissueforSSDs.However,harddiskdrivescanexperience
onlyafinitenumberoftheseeventsand,therefore,mustbetracked.Thisattribute
reportsafixedvalueofzero(0)andafixednormalizedvalueof100.UsetheRaw
valueforthisattribute.