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10.10 Self-Monitoring, Analysis and Reporting Technology
SMART commands use a single command code and are differentiated by the value placed in the Features register.
The Commands supported by this feature set are:
.
•SMART READ ATTRIBUTE VALUES
•SMART READ ATTRIBUTE THRESHOLDS
•SMART ENABLE/DISABLE ATTRIBUTE AUTOSAVE
•SMART EXECUTE
•SMART ENABLE OPERATIONS
•SMART DISABLE OPERATIONS
•SMART RETURN STATUS
10.10.1Attributes
Attributes are the specific performance or calibration parameters that are used in analyzing the status of the drive. Attributes are selected by the drive manufacturer based on that attribute’s ability to predict degrading or faulty conditions for that particular drive. The specific set of attribute being used and the identity of these attributes is vendor specific and proprietary.
10.10.2 Attributes values
Attribute values are used to measure the relative reliability of individual performance or calibration attributes.
10.10.3 SMART function default setting
The drives are shipped from the drive manufacturer’s factory with the SMART feature disabled. SMART feature shall be enabled by the system manufacturer or the application.
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