How To Check Bad Blocks Or Bad Sectors On a Hard Disk In Linux

Badblocks command is used on a disk or partition to check whether any bad blocks are present.

A bad sector/block, it’s a section on a disk drive or flash memory that can not be read from or written to anymore, as a result of a fixed physical damage on the disk surface or failed flash memory transistors.

Note : Smartctl command is part of tthe smartmontools package.

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