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2013年11月17日技术合集

关于VIP的奇怪故障一例

OS:HP-UX 11.31 DB:Oracle 10.0.2.5 RAC (2nodes)

问题描述:节点二在服务启动后,经过1分钟至3分钟会发生VIP导致的服务切换,切换后节点二VIP在节点一上启动,检查日志主要报错为:

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Invalid parameters, or failed to bring up VIP (host=essrzc2)

经过检查,系统网关配置正常,响应速度正常,系统日志无异常。开启服务debug后收获如下日志:

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2013-12-16 14:57:08.192: [    RACG][1] [21721][1][ora.essrzc2.vip]: Mon Dec 16 14:57:03 EAT 2013 [ 21730 ] Checking interface existance
Mon Dec 16 14:57:03 EAT 2013 [ 21730 ] Calling getifbyip
Mon Dec 16 14:57:03 EAT 2013 [ 21730 ] getifbyip:  started for 132.42.37.144
 
2013-12-16 14:57:08.192: [    RACG][1] [21721][1][ora.essrzc2.vip]: Mon Dec 16 14:57:03 EAT 2013 [ 21730 ] Completed getifbyip lan900:801
Mon Dec 16 14:57:03 EAT 2013 [ 21730 ] Completed with initial interface test
Mon Dec 16 14:57:03 EAT 2013 [ 21730 ] Broadcast = 132.42.37.255
 <a href="https://www.forzw.com/archives/707#more-707" class="more-link">继续阅读 &raquo;</a>

从日志基本看出,出现问题是从“checkIf: RX packets checked if=lan900 failed”开始,从而导致资源切换,执行检测的命令为“racgvip”,此命令在完成2次“Completed second gateway test”后如果失败就进行切换,因此要解决问题,需要增加test次数,修改racgvip如下参数。

打开$CRS_HOME/bin/racgvip,修改CHECK_TIMES=2为CHECK_TIMES=10,之后不再出现异常。

日志信息 »

该日志于2013-11-17 23:00由 kevin 发表在技术合集分类下, 你可以发表评论。除了可以将这个日志以保留源地址及作者的情况下引用到你的网站或博客,还可以通过RSS 2.0订阅这个日志的所有评论。

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