硬盘问题求教

提问或回答

我的使用的freebsd4.7中，最近经常出现如下的提示：

Checking setuid files and devices:

Checking for uids of 0:
root 0
toor 0

Checking for passwordless accounts:

xxx.xxx.xxx kernel log messages:
>;  of 21250656-21250783 (ad1s1 bn 42501455; cn 2645 tn 151 sn 17) status=59 error=40
>; ad1s1c: hard error reading fsbn 42501487 of 21250688-21250783 (ad1s1 bn 42501487; cn 2645 tn 151
sn 49) status=59 error=40
>; ad1s1c: hard error reading fsbn 42501519 of 21250720-21250783 (ad1s1 bn 42501519; cn 2645 tn 152
sn 1 status=59 error=40
>; ad1s1c: hard error reading fsbn 42501519 of 21250720-21250751 (ad1s1 bn 42501519; cn 2645 tn 152
sn 1 status=59 error=40
>; ad1s1c: hard error reading fsbn 42501519 of 21250720-21250751 (ad1s1 bn 42501519; cn 2645 tn 152
sn 1 status=59 error=40
>; ad1s1c: hard error reading fsbn 42501519 of 21250720-21250751 (ad1s1 bn 42501519; cn 2645 tn 152
sn 1 status=59 error=40
………………

看起来好像是硬盘出了问题，请问我应该怎样处理？