在Oracle10.2.0.3 RAC的测试中，发现如果修改某个节点的系统时间超过1.5秒，那么这个节点会被自动重新启动。 好狠的处理方式 …… 详细机制参见Internal Only的Metalink Note 308051.1。 The OPROCD executable sets a signal handler for the SIGALRM handler and sets the interval timer based on the to-millisec parameter provided. The alarm handler gets the current time and checks it against the time that the alarm handler was last entered. If the difference exceeds (to-millisec…