読み書きの破壊モードで不良ブロックを探す場合は-wオプションをつける。
# badblocks -w -o sda.badblocks -vs /dev/sda Checking for bad blocks in read-write mode From block 0 to 78124999 Testing with pattern 0xaa: done Reading and comparing: done Testing with pattern 0x55: done Reading and comparing: done Testing with pattern 0xff: done Reading and comparing: done Testing with pattern 0x00: done Reading and comparing: done Pass completed, 0 bad blocks found. (0/0/0 errors)