examples: non-destructive badblocks -nvs /dev/xxx This would check the drive “sdb” in non-destructive read-write mode and display progress by writing out the block numbers as they are checked. WARNING! DATA LOSS! destructive (-w = write test) update: 2024: want to … Continue reading GNU Linux bash – harddisk test script – detailed info about harddisk and smart tests short and long and scanning for badblocks