摘要： 推荐一个不错的pptScalable System Operations PresentationJoshua Hoffmanhttp://wenku.it168.com/d_000434548.shtml 阅读全文

摘要： 检查发现两个流复制同步的数据库（RAC-单实例），数据不同步于是决定重启流复制，可是在停止捕获后，但是无法顺利停下传播BEGIN dbms_propagation_adm.stop_propagation(propagation_name => 'PROP_MASTER_TO_SLAVE'); END;*ERROR at line 1:ORA-04021: timeout occurred while waiting to lock objectSTRADMIN.CAPTURE_MASTER_QUEUEORA-06512: at "SYS.DBMS_AQADM_ 阅读全文

摘要： [MCE LOG]If you are seeing messages in my system logs that state "Machine Check Event logged" this could be an indication of a hardware problem or failure.What are Machine Check Exceptions (or MCE)?A machine check exception is an error dedected by your system's processor. There are 2 m 阅读全文