Checks the list of pending sectors that may have read errors, and it usually takes under two minutes. Scans small parts of the drive's surface (area is vendor-specific and there is a time limit on the test). Mechanical test includes seeking and servo on data tracks. Electrical tests might include a test of buffer RAM, a read/write circuitry test, or a test of the read/write head elements. Short: Checks the electrical and mechanical performance as well as the read performance of the disk.Note that sometime between 18.10 and 20.04 the menu option has moved from the "hamburger menu" to the 3 vertical dots menu as shown below. Select the drive of interest then click on the menu button at the upper right corner and choose SMART Data & self tests You might also be interested in best hard drive monitoring software: programs to monitor HDD status.Launch the Disks Utility (If you don't have it already, you can install Disks via the Software Center or open a terminal and issue the command sudo apt-get install gnome-disk-utility. Hitachi Drive Fitness Test or HDD Health quite simple tools are enough for basic monitoring without any details, advanced users will appreciate PassMark DiskCheckup and GSmartControl advanced logs. And therefore it's important to install any of the listed above utilities on your computer and monitor from time to time whether everything is good with your HDD SMART data. You can copy information in advance or buy a backup medium, altogether prepare for the worst. Of course, you don't have to check SMART disk info, but status assessments monitoring is the only way to know in advance about possible future hard drive failure. The rest is easy: run the app, click on a hard drive icon, read detailed status, errors and history of indicators for all data storage device characteristics in the tabs. Another significant advantage is the capability of enabling and disabling SMART, when other apps can only take readings of integrated hdd smart self-monitoring system. It's the only utility from this list, which has versions for all popular versions of Linux, Windows and Mac OS. Hitachi Drive Fitness Test - HDD SMART monitoring tool for AHCI/IDE/USB The most popular and user-friendly among HDD SMART tools are: For example, programs can check the speed of recording/reading, show how much free space is left, display which clusters are broken and etc. There are several useful utilities for receiving SMART data and reading it in an understandable for an ordinary user way, which differ only in interface and some features. Utilities for reading SMART data on Windows A low number indicates a high probability of future failure. The higher is the number, the better is the performance of a data storage device in this particular characteristic. Performance assessments typically are in the range from 0 to 100. device current status (the number of errors and the time of searching for a track, the elevation of heads above the drive, the total number of active sectors).signs of storage device normal wearing (the number of cycles, heads movements, spindle hub rotations).Analysis of collected data and evaluation of each characteristic in two groups takes place inside the system every second: SMART monitors the performance of a hard drive in real time. This hardware-software set predicts the time of HDD wearing and records several other important characteristics regarding storage device performance and hard disk errors. SMART is a tool for assessing hard drive current state, i.e. HDD Health - SMART check software for Windows.Hitachi Drive Fitness Test - HDD SMART monitoring tool for AHCI/IDE/USB.Utilities for reading SMART data on Windows.
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