Introduction to SMART | Linux Today

Introduction to SMART

Written By
JBL
Jeffrey B. Layton
May 12, 2010

“SMART (Self-Monitoring, Analysis, and Reporting Technology) is
a monitoring system for storage devices, usually hard drives, that
provides both information about the status of a drive as well as
the ability to run self tests. It can bSMART (Self-Monitoring,
Analysis, and Reporting Technology) is a monitoring system for
storage devices, usually hard drives, that provides both
information about the status of a drive as well as the ability to
run self tests. It can be used by storage administrators to check
on the status of their storage devices and force self-tests to
determine the state of the device. While some people advocate using
the data for predicting drive failure giving you time to get data
off of the drive in the event of imminent failure, other references
say that some SMART data may not be the best predictor of
failure.

“SMART and SMART – What is SMART?

“Since you are reading this article it is likely that you
understand that data is important. This also means that you have
backups of your most important data and you do daily backups –
right? The reason we have backups is that hard drives fail for
various and sometimes mysterious, reasons. From an administrative
point of view it would be nice to be able to correlate drive
failures with certain drive characteristics or with load or even
track a batch of drives.e used by storage administrators to check
on the status of their storage devices and force self-tests to
determine the state of the device. While some people advocate using
the data for predicting drive failure giving you time to get data
off of the drive in the event of imminent failure, other references
say that some SMART data may not be the best predictor of
failure.

“SMART and SMART – What is SMART?

“Since you are reading this article it is likely that you
understand that data is important. This also means that you have
backups of your most important data and you do daily backups –
right? The reason we have backups is that hard drives fail for
various and sometimes mysterious, reasons. From an administrative
point of view it would be nice to be able to correlate drive
failures with certain drive characteristics or with load or even
track a batch of drives.”

Complete
Story

JBL

Jeffrey B. Layton

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