linux_el_4.3_i386 文件系统变为只读

was_zhang

系统运行一段时间，文件系统变为只读，系统命令无法使用，按照网上的类似问题解决方案：
mount -o remount,rw /      提示系统总线错误。
到机房强行重启服务器，文件系统正常了。有人给我说是raid卡驱动的问题，但是也不至于影响到文件系统为只读。
/var/log/message,查看系统日志如下：

Jun 15 07:27:37 localhost kernel: megaraid: aborting-2538703 cmd=2a <c=2 t=0 l=0>
Jun 15 07:27:37 localhost kernel: megaraid abort: 2538703:2[255:128], fw owner
Jun 15 07:27:37 localhost kernel: megaraid: resetting the host...
Jun 15 07:27:37 localhost kernel: megaraid: 1 outstanding commands. Max wait 180 sec
Jun 15 07:27:37 localhost kernel: megaraid mbox: Wait for 1 commands to complete:180
Jun 15 07:27:42 localhost kernel: megaraid mbox: Wait for 1 commands to complete:175
Jun 15 07:27:47 localhost kernel: megaraid mbox: Wait for 1 commands to complete:170
Jun 15 07:27:52 localhost kernel: megaraid mbox: Wait for 1 commands to complete:165
Jun 15 07:27:57 localhost kernel: megaraid mbox: Wait for 1 commands to complete:160
Jun 15 07:28:02 localhost kernel: megaraid mbox: Wait for 1 commands to complete:155
Jun 15 07:28:07 localhost kernel: megaraid mbox: Wait for 1 commands to complete:150
Jun 15 07:28:12 localhost kernel: megaraid mbox: Wait for 1 commands to complete:145
Jun 15 07:28:17 localhost kernel: megaraid mbox: Wait for 1 commands to complete:140
Jun 15 07:28:33 localhost kernel: megaraid mbox: Wait for 1 commands to complete:135
Jun 15 07:28:33 localhost kernel: megaraid mbox: Wait for 1 commands to complete:130
Jun 15 07:28:33 localhost kernel: megaraid mbox: Wait for 1 commands to complete:125
Jun 15 07:28:33 localhost kernel: megaraid mbox: reset sequence completed successfully
Jun 15 07:29:13 localhost kernel: megaraid: aborting-2538758 cmd=2a <c=2 t=0 l=0>
Jun 15 07:29:13 localhost kernel: megaraid abort: 2538758:31[255:128], fw owner
Jun 15 07:29:13 localhost kernel: megaraid: resetting the host...

有请各位大虾帮分析，不胜感谢，可以直接联系我。
MSN：was_zhang@msn.com
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