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Maintaining the health of hard drives is a critical task for anyone managing IT infrastructures, be it in large data centers or personal computers. SMART, or Self-Monitoring, Analysis, and Reporting Technology, is a functionality built into most modern hard disk and solid-state drives that helps in predicting and reporting various indicators of drive reliability. In the Linux world, monitoring this data is straightforward with the use of a powerful tool called smartctl. This utility is part of the smartmontools package, which reads the data from SMART and provides actionable insights to prevent data loss due to drive failure.