不良セクタを調べる
$ sudo fdisk -l
$ sudo /sbin/badblocks -v -s /dev/sda8 | tee /tmp/badblocks8.txt
→ 750
$ sudo /sbin/badblocks -v -s /dev/sda12 | tee /tmp/badblocks12.txt
→ 241
$ sudo /sbin/badblocks -v -s /dev/sda16 | tee /tmp/badblocks16.txt
→ 62
$ sudo /sbin/badblocks -v -s /dev/sda20 | tee /tmp/badblocks20.txt
→ 35
$ sudo /sbin/badblocks -v -s /dev/sda25 | tee /tmp/badblocks25.txt
→ Pass completed, 116 bad blocks found. (116/0/0 errors)
$ sudo /sbin/badblocks -v -s /dev/sda33 | tee /tmp/badblocks33.txt
→ 2時間 1259 Interrupted at block 76707997
→ Pass completed, 254 bad blocks found. (254/0/0 errors)
不良セクタをマーキングする
$ sudo e2fsck -l /tmp/badblocks8.txt /dev/sda8
$ sudo e2fsck -l /tmp/badblocks12.txt /dev/sda12
$ sudo e2fsck -l /tmp/badblocks16.txt /dev/sda16
$ sudo e2fsck -l /tmp/badblocks20.txt /dev/sda20
$ sudo e2fsck -l /tmp/badblocks25.txt /dev/sda25
$ sudo e2fsck -l /tmp/badblocks33.txt /dev/sda33
→ Error reading block 28321128 (入力/出力エラーです). Ignore error<y>?
