摘要
以SL300和DISA100型系统为例,根据实际工作中遇到的故障,就非法和错误报文而引起的处理程序运行出错造成死机现象作了深入分析。SL300前置机死机的直接原因是接收了数据库没有配置的参数,进一步找到了内存管理问题,提出了增加寻址出错处理机制的修补措施。DISA100监控后台机死机的直接原因是接收了协议未规定的非法报文,诱因是保护管理机内存管理出错,反映了规约处理程序容错性不够的问题。
Taking SL 300 and DISA 100 systems as examples,according to real faults occurred in operation,the computer halt phenomena caused by illegal and wrong messages are analyzed. The halting of SL 300 front-end computer is found due to receiving parameters not configured in database,causing memory management problem. Addressing mistake processing r^echanism is added for it. The halting of DISA 100 supervisory computer is found due to receiving an illegal message undefined in protocols,causing memory management problem of protection manager. Poor errortolerance of protocol processing program is shown.
出处
《电力自动化设备》
EI
CSCD
北大核心
2006年第10期114-116,共3页
Electric Power Automation Equipment
关键词
死机
接口
内存
数据空间
监控
过滤器
halt
interface
memory
data space
monitoring
filters
