发布时间:2013-01-09 09:25:59
oracle dba培训http://www.cuug.com/*** 2011-06-27 22:19:28.279 2011-06-27 22:19:28.279849 : Start recovery for domain=0, valid=0, flags=0x0 Successfully allocated 2 recovery slaves Using 67 overflow buffers per recovery slave Thread 2 checkpoint: logseq 374, block 2, scn 54624376 ......【阅读全文】
发布时间:2013-01-08 16:18:42
System altered. SQL> startup force; ORACLE instance started. INST 2: SQL> shutdown abort ORACLE instance shut down. ============================================================= ========================alert.log============================本文转自......【阅读全文】
发布时间:2013-01-07 09:33:33
北京oracle培训SMON的作用还包括RAC环境中的Instance Recovery,注意虽然Instance Recovery可以翻做实例恢复,但实际上和我们口头所说的实例恢复是不同的。我们口头语言所说的实例恢复很大程度上是指Crash Recovery崩溃恢复,Instance Recovery与Crash Recovery是存在区别的:针对单实例(single instance)或者RAC中所有节点全部崩溃后的恢复,我们称之为Crash Recovery。而对于RAC中的某一个节点失败,存活节点(surviving instance)试图对失败节点线程上redo做应用的情况,我们称之......【阅读全文】
发布时间:2013-01-06 17:44:17
可以设置10513事件来临时禁止SMON恢复死事务,这在我们做某些异常恢复的时候显得异常有效,当然不建议在一个正常的生产环境中设置这个事件:SQL> alter system set events '10513 trace name context forever, level 2';System altered.10531 -- event disables transaction recovery which was initiated by SMONSQL> select ktuxeusn, 2 to_char(sysdate, 'DD-MON-YYYY H......【阅读全文】
发布时间:2013-01-05 18:34:03
数据库培训SMON: system monitor process posted WAIT #0: nam='log file switch completion' ela= 0 p1=0 p2=0 p3=0 obj#=1 tim=1278243332801935 WAIT #0: nam='log file switch completion' ela= 0 p1=0 p2=0 p3=0 obj#=1 tim=1278243332815568 WAIT #0: nam='latch: row cache objects' ela= 95 address=29794187......【阅读全文】