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How do I test if my Linux server SCSI / SATA hard disk going bad?

Posted by nixcraft on
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smartctl command controls the Self-Monitoring, Analysis and Reporting Technology (SMART) system built into many ATA-3 and later ATA, IDE and SCSI-3 hard drives. The purpose of SMART is to monitor the reliability of the hard drive and predict drive failures, and to carry out different types of drive self-tests. smartctl is a command line utility designed to perform SMART tasks such as printing the SMART self-test and error logs, enabling and disabling SMART automatic testing, and initiating device self-tests. This article demonstrates usage of smartctl tool to test if hard disk is going bad.

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