http://zhidao.baidu.com/question/238047105.html
http://zhangwenxin82.blog.163.com/blog/static/1145959562010111511338841/
http://blog.chinabyte.com/a/535514.html
http://linux.chinaitlab.com/set/851602.html
linux 下检查硬盘坏道/扇区:
[root@239 ~]badblocks -v /dev/xvda
Checking blocks 0 to 8388607
Checking for bad blocks (read-only test): done
Pass completed, 0 bad blocks found.
linux下修复磁盘扇区的工具: