GSmartControl is a graphical user interface for Linux smartctl, which is a tool for querying and controlling S.M.A.R.T. (Self-Monitoring, Analysis, and Reporting Technology) data on modern hard disk drives.  You can read about smartctl at : http://unixfoo.blogspot.com/2007/11/disk-information-using-smartctl.html . It allows you to inspect the drive’s S.M.A.R.T. data to determine its health, as well as run various tests on it.

GSmartControl features include

  • Automatically report and highlight any abnormal SMART information.
  • Ability to enable / disable SMART.
  • Ability to enable / disable Automatic Offline Data Collection – A short self-check that the drive will perform automatically every four hours with no impact on performance.
  • Ability to set global and per-drive options for smartctl.
  • Display drive identity, capabilities, attributes, error and self-test logs.
  • Perform SMART self-tests.
  • Ability to load smartctl output as a “virtual” device, which acts just like a real (read-only) device.
  • Works on most smartctl-supported operating systems.

The UI is very good and gives lot of information. Checkout the screenshots.

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