Fujitsu MHN2100AT Manual/User Guide - Page 151
SMART Self Test, Unclear status
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5.3 Host Commands • Error log index Indicates the latest error log number. If an error has not occurred, 00 is displayed. • Error log 1 to 5 When an error occurs, the error log index value is incremented and information at the time the error occurred is recorded in the error log area specified by this value. When the error log index exceeds 05, it returns to 01. • Command data 1 to 5 Indicates five commands data in order received by the device until the error occurs. Commands for which an error occurred are included in Command Data 5. • Error data Indicates the I/O register values when the error is reported. • Status Bits 0 to 3: Indicates the drive status when received error commands according to the following table. Bits 4 to 7: Vendor unique Status 0 1 2 3 4 5 to F Meaning Unclear status Sleep status Standby status Active status or idle status (BSY bit = 0) Off-line data collection being executed Reserved • SMART Self Test The host computer can issue the SMART Execute Off-line Immediate subcommand (FR Register = D4h) and cause the device to execute a self test. When the self test is completed, the device saves the SMART self test log to the disk medium. The host computer can issue the SMART Read Log Sector sub-command (FR Register = D5h, SN Register = 06h) and can read the SMART self test log. C141-E120-02EN 5-75