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Tag Archives: lpar
资源耗尽导致ORA-494错误
一个客户的STANDBY数据库出现了ORA-494的错误。 数据库服务器建立在IBM的POWER 7利用LPAR划分的逻辑分区上,目前上面只有一个备库在跑日志应用,前一天利用LPAR向这个分区又添加了CPU和内存资源,使得当前的CPU数从32增加到96,内存从48G增加到98G。 如此强劲的硬件配置,却出现了系统HANG的问题。而当天除了物理STANDBY数据库的正常日志应用外,只不过进行了一次操作系统级的备份。 对应的数据库的高级日志信息为: Thu Oct 13 19:03:55 2011 Media Recovery Log /archlog/1_133940_665275242.dbf Thu Oct 13 19:04:17 2011 Media Recovery Log /archlog/1_133941_665275242.dbf Media Recovery Waiting FOR thread 1 SEQUENCE 133942 (IN transit) Thu Oct 13 19:21:33 2011 Errors IN … Continue reading