What do you understand by SMART? - Hard disk

What do you understand by SMART?

- SMART means Self Monitoring, analysis and reporting technology.

- This is a monitoring system for hard disks used to detect and report various factors which can be used to anticipate the risk of a failure for a hard disk.

- The failure of hard disks can be classified into predictable and unpredictable errors.

- Predictable failures are those which are resultant from wear and tear and degradation of storage services. Unpredictable failures on the other hand occur suddenly with no warnings.

- The SMART technology allows the user to monitor the health of the Drive and perform constant maintenance checks to prevent the chances of failures.

- There are multiple number of self tests that can be performed by SMART such as : Short, Long/Extended, Conveyance and Selective.