The job of smartmontools is to alert the user that something is wrong and user intervention may be required. Also smartmontools only works with physical devices, it does not know about partitions and file systems. So apart from changing some reporting settings, smartmontools will not modify the raw data in a device. Even though such a remapping can be done by a disk drive transparently, there is still a lingering worry about media deterioration and the disk running out of spare sectors to remap.Ĭan smartmontools help? As the SMART acronym suggests, the smartctl command and the smartd daemon concentrate on monitoring and analysis. Modern storage devices tend to handle the simple cases automatically, for example by writing a disk sector that was read with difficulty to another area on the media. Handling bad blocks is a difficult problem as it often involves decisions about losing information.
Recovering a (mostly) unreadable sector of a Notebook HDD.
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