LINUX SERVER HDD 배드섹터 확인.

[root@www ~]# whereis badblocks
badblocks: /sbin/badblocks

Usage: badblocks [-b block_size] [-i input_file] [-o output_file] [-svwnf]
 [-c blocks_at_once] [-p num_passes] [-t test_pattern [-t test_pattern [...]]]
 device [last_block [start_block]]