Oracle RAC 11gR2 ORA-15055 ORA-27140 ORA-27300 ORA-27301 ORA-27302 ORA-27303
客户的Oracle 11.2.0.2 RAC for AIX其中一个节点已经有好几个月没有运行了,在MOUNT数据库的时候告警日志收到如下的报错信息:ORA-00210: cannot open the spe...
归档日志损坏验证:Corrupt archivelog giving unclear errors [ID 1359971.1]
Corrupt archivelog giving unclear errors [ID 1359971.1]修改时间:2012-1-12类型:PROBLEM状态:PUBLISHED优先级:3In this Document Symptoms Cause SolutionApplies to:Oracle Se...
Oracle Database 11.1.0.7 for Windows升级到11.2.0.3.4 for Linux遇到的问题
一个客户要将现有的Oracle Database 11.1.0.7 for Windows升级到Oracle Database 11.2.0.3.4 for Linux。 在测试过程中,使用Post-Upgrade Status Tool验证升级...
Oracle数据库表空间READ ONLY、READ WRITE、ONLINE、OFFLINE状态对应CHECKPOINT的变化
用实验来说话。Microsoft Windows [版本 6.1.7601]版权所有 (c) 2009 Microsoft Corporation。保留所有权利。C:\Users\LIUBINGLIN>C:\Users\LIUBINGLIN>sqlplus / as sysdbaSQL*Plus: Relea...
将Standby数据库临时转换为主数据库用于测试
这篇文章讨论将Standby数据库临时转换为主数据库,原本的主数据库不发生变化。1.在主数据库延迟向Standby数据库传送日志。SQL> alter system set log_archive_dest_state_2=defer;Syste...
部署Oracle 10gR2 RAC for Windows 2008R2 64bit的注意事项
这篇文章讨论一下在Windows 2008R2上安装10gRAC的注意事项。1).Oracle专门针对Windows 2008操作系统发布了10.2.0.4的安装介质:10204_vista_w2k8_x64_production_client...
Oracle数据库数据迁移流程
下面简单讨论一下Oracle数据库数据迁移的流程:1.在新环境下安装一套新的数据库。2.确保停止应用系统的运行。3.使用表空间迁移、exp、expdp、RMAN等方式将生产环境业务数据导出。4....
在表行上出现模式6、模式4、模式3争用的常见原因、诊断与动作
由于在生产环境上遇到过类似问题,使得我不得不转载这篇如此好的文章: 注意区分TX MODE 6争用于TX MODE 4中的唯一键实施争用之间的区别...
验证数据库支持db_file_multiblock_read_count参数的最大值
首先需要明确“db file sequential read”和“db file scattered read”两种等待事件之间的区别,前者是单块的顺序读,后者是多块的一起读,块的个数受到db_file_multiblock_read_c...
RMAN delete archivelog命令删除归档日志及归档日志拷贝
这篇文章通过下面的例子说明RMAN的delete archivelog命令不光会删除归档日志文件,也同时会删除归档日志文件拷贝。RMAN> list archivelog all;已存档的日志副本列表关键字 ...
RMAN Backup Fails With ORA-19571 [ID 563219.1]
附上报错截图:参考文章:RMAN Backup Fails With ORA-19571 [ID 563219.1]修改时间:2012-5-24类型:PROBLEM状态:PUBLISHED优先级:3In this DocumentSymptomsCauseSolutionApplies to:Oracle Server - Enterprise...
RMAN: Monitoring Recovery Manager Jobs [ID 144640.1]
RMAN: Monitoring Recovery Manager Jobs [ID 144640.1]修改时间:2012-3-30类型:BULLETIN状态:PUBLISHED优先级:3***Checked for relevance on 04-AUG-2009******Checked for relevance on 29-Mar-2012*** Mo...
RMAN: Resolving an RMAN Hung Job [ID 145624.1]
RMAN: Resolving an RMAN Hung Job [ID 145624.1]修改时间:2012-3-30类型:TROUBLESHOOTING状态:PUBLISHED优先级:3***Checked for relevance on 28-Jun-2009******Checked for relevance on 29-Mar-...
[alter system dump学习1]alter system dump logfile
--------------------------------------------------------------------------------------------------PURPOSE This article explain how to obtain a dump of the header information in the onli...
[oradebug命令学习1]Using ORADEBUG Utility
Using ORADEBUG UtilityORADEBUG utility is a debugging tool that sends debug commands through SQL*Plus to an Oracle process. It is primarily for use by developers and Oracle Support Services p...
[oradebug命令学习3]How to Enable SQL_TRACE for Another Session Using Oradebug
How to Enable SQL_TRACE for Another Session or in MTS Using Oradebug [ID 1058210.6]修改时间:2012-6-12类型:BULLETIN状态:PUBLISHED优先级:3***Checked for relevance on 12-Jun-2012***How to Enab...
[oradebug命令学习2]How to Use Oradebug to Get Trace File Name and Location
How to Use Oradebug to Get Trace File Name and Location [ID 310830.1]修改时间:2012-7-31类型:HOWTO状态:PUBLISHED优先级:3In this DocumentGoalFixReferencesApplies to:Oracle Server - Enterprise Ed...
11gR2 RAC 独占模式replace votedisk遭遇PROC-26,restore ocr遭遇CRS-4000、PROT-35
11gR2 RAC系统的存储数据完全丢失,所有节点的软件都安装在本地磁盘中,本地磁盘保留了OCR的备份,下面讨论通过replace votedisk和restore ocr的方式恢复Clust...
Extract or Replicat Fail to Start (Don't Start) With No Error Messages
Extract or Replicat Fail to Start (Don't Start) With No Error Messages [ID 1338582.1]修改时间:2011-7-22类型:PROBLEM状态:PUBLISHED优先级:3In this Document Symptoms Cause &nbs...
RAC环境中SID(instance_name),instance_number,thread#,undotbs之间的关联关系
一.参数节选。下面是从一个4节点11gR2 RAC节选的参数文件内容:......oracledb2.instance_number=2oracledb1.instance_number=1oracledb4.instance_number=4oracledb3.instance_number=3......oracledb2.thr...