重启之后报错：Make sure there is a disc in the drive

bugouhen

Nov  6 10:10:00 Real2 last message repeated 8 times
Nov  6 10:10:01 Real2 crond(pam_unix)[20555]: session opened for user root by (uid=0)
Nov  6 10:10:02 Real2 kernel: Device not ready.  Make sure there is a disc in the drive.
Nov  6 10:10:02 Real2 crond(pam_unix)[20555]: session closed for user root
Nov  6 10:10:04 Real2 kernel: Device not ready.  Make sure there is a disc in the drive.
Nov  6 10:10:36 Real2 last message repeated 16 times

如上 一台服务器在正常重启之后 报错。。。
机器的其他地方没什么问题   fstab也没有改动  以前没见过类似报错


貌似这个配置文件可以屏蔽这个报错消息
(/etc/hal/hald.conf).
Enabled.
<storage_media_check_enabled>true</storage_media_check_enabled>
Disabled.
<storage_media_check_enabled>false</storage_media_check_enabled>

但是我想问一下 这个报错的原因是什么引起的 呢 ？？


谢谢