badblocks

Search a device for bad blocks. Some usages of badblocks can cause destructive actions, such as erasing all data on a disk, including the partition table. More information: https://manned.org/badblocks.

sudo badblocks /dev/sdX

sudo badblocks -n /dev/sdX

sudo badblocks -w /dev/sdX

sudo badblocks -svw /dev/sdX

sudo badblocks -o path/to/file -w /dev/sdX

sudo badblocks -w -b 4096 -c 65536 /dev/sdX