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			    <title>执业生涯之dba阶段</title>
			    <link>http://space.itpub.net/?uid-13132547</link>
			    <description></description>
			    <copyright>Copyright(C) 执业生涯之dba阶段</copyright>
			    <generator>SupeSite/X-Space</generator>
			    <lastBuildDate>Fri, 25 Jul 2008 05:19:41 GMT</lastBuildDate><item>
								<title>详解oracle listener配置，解决单机器多实例的问题</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-366178</link>
								<description><![CDATA[$ORACLE_HOME/network/admin/sample/listener.ora<BR><BR># copyright (c) 1997 by the Oracle Corporation<BR># <BR># NAME<BR>#&nbsp; &nbsp;listener.ora<BR># FUNCTION<BR>#&nbsp; &nbsp;Network Listener startup parameter file example<BR># NOTES<BR>#&nbsp; &nbs...]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Sat, 28 Jun 2008 07:55:50 GMT</pubDate>
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								<title>ORA-600 [5463] While SMON is Doing Temporary Segment Drop</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-327275</link>
								<description><![CDATA[<H2 class=km>Applies to: </H2>Oracle Server - Enterprise Edition - Version: 9.2.0.1 to 10.2.0.3<BR>This problem can occur on any platform.<BR>
<H2 class=km><A name=SYMPTOM></A>Symptoms</H2>
<P>When starting the database after a crash or for normal ma...]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Sun, 01 Jun 2008 10:10:00 GMT</pubDate>
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								<title>Hp_Oracle aio 异常</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-324469</link>
								<description><![CDATA[<P>今天检查数据库发现大量trc文件，内容如下：<BR>/oracle/app/oracle/product/9.2.0.6/rdbms/log/tbcs2_ora_2349.trc<BR>Oracle9i Enterprise Edition Release 9.2.0.6.0 - 64bit Production<BR>With the Partitioning and Real Application Clusters options<BR>JServe...]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Fri, 30 May 2008 14:27:41 GMT</pubDate>
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								<title>Drop tablespace一波三折</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-310276</link>
								<description><![CDATA[<P>为了释放一些空间，企图drop tablespace，其步骤大致如下：<BR>1：move table<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; alter table dbmt_constraint move tablespace users;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ora-00997 because of long datatype;<BR>&nbsp;&nbsp;&nbsp;...]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Mon, 26 May 2008 02:32:00 GMT</pubDate>
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							<item>
								<title>direct path read 等待事件分析</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-310245</link>
								<description><![CDATA[今天生产数据库出现了几个direct path read等待事件，参考oracle文档，得知asynchronous disk operate有关，随即检查fuser /dev/async，kctune |grep aio_max_ops，show paramete disk_asynch_io 均正常。继续检查v$session_wait，发现file number 并不在dba_data_files中...]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Sun, 25 May 2008 13:55:17 GMT</pubDate>
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								<title>oracle9 taf 测试一例</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-310100</link>
								<description><![CDATA[<P>为了配合生产系统高可用性测试，今天对Oracle9206进行taf配置，总结起来比较简单：</P>
<P>1：server tnsnames.ora<BR>LISTENERS_odmd =<BR>&nbsp; (DESCRIPTION =<BR>&nbsp;&nbsp;&nbsp; (ADDRESS_LIST =<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (ADDRESS = (PROTOCOL = ...]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Fri, 23 May 2008 23:09:50 GMT</pubDate>
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								<title>笔记本双网卡配置一例</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-310099</link>
								<description><![CDATA[<P>今天，给自己的笔记本新增了一块儿网卡，安装driver后，开始配置第二块网卡，步骤如下：<BR>1：将原网卡的网关信息，DNS信息清除；<BR>2：设置新网卡的网关，dns等信息，可以是自动获取；<BR>3：手动添加第一块儿网卡的默认网关信息；<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbs...]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Fri, 23 May 2008 23:04:11 GMT</pubDate>
							</item>
							<item>
								<title>实战controlfile修复一例</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-269225</link>
								<description><![CDATA[--1: controlfile problem<BR>Completed: alter database mount<BR>Thu May 15 06:43:37 2008<BR>alter database open<BR>This instance was first to open<BR>Thu May 15 06:43:37 2008<BR>Errors in file /oracle/app/oracle/admin/ucis/bdump/ucis1_dbw0_15287.trc:<BR...]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Thu, 15 May 2008 17:48:42 GMT</pubDate>
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								<title>最近一次Hp平台oracle参数调优</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-269153</link>
								<description><![CDATA[<P>最近，Hp平台oracle9208跑大量数据转换业务时大量出现buffer busy global CR，latch free（132），enqueue，log buffer space等待事件，针对上面的几类分别，我们分别进行了跟踪及优化：</P>
<P>1：针对buffer busy global CR，经观察是大量的select * obj$等系统表造...]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Wed, 14 May 2008 22:52:44 GMT</pubDate>
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								<title>关于增加定位ora-00942问题的步骤</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-265111</link>
								<description><![CDATA[<P>解决该类问题的主要方法是从应用程序（含中间件）日志捕获所缺少的表名称，如果实在不能获得，尝试下述方法：</P>
<P>SQL&gt; alter system set events '10046 trace name context off';<BR><BR>System altered.<BR><BR>SQL&gt; alter system set events '942 trace n...]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Mon, 12 May 2008 08:36:23 GMT</pubDate>
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								<title>关于重建controlfile的若干问题</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-263419</link>
								<description><![CDATA[<P>controlfile作为数据库中的重要部分，承担着实例与数据库之间的沟通桥梁作用。尤其在数据库是否需要recover，是否能够保证数据一致性方面，肩负着重要的责任。</P>
<P>1：查看controlfile记录的信息，alter session set events 'immediate trace name controlf level ...]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Fri, 09 May 2008 10:33:56 GMT</pubDate>
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								<title>关于一次latch free与enqueue并存的故障处理过程</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-257604</link>
								<description><![CDATA[<P>今天维护人员反映，帐务数据库性能较差，经分析cpu利用率达到90%，数据库里存在大量的latch free(row cache objects)与enqueue。按照上述信息，分头解决如下：</P>
<P>1：为解决latch free(row cache objects)问题，试图增加shared_pool size，结果无效果。</P>
<P>&...]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Sat, 03 May 2008 11:56:58 GMT</pubDate>
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								<title>关于Oracle9208与Oracle9206使用db_link异常的问题处理</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-257602</link>
								<description><![CDATA[<P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 最近oracle9206升级到9208后，与其他9206版本的数据库使用db_link进行通信时，总是报ora-03113 错误，oracle tar回复这是9208的一个bug，使用《alter system set events ‘38013 trace name context forever,level 1’》解决，经...]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Sat, 03 May 2008 11:50:47 GMT</pubDate>
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								<title>一次查看Rac log的记录</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-257409</link>
								<description><![CDATA[<P>Hp:<BR>&nbsp; Concept: Ha(including MC/ServiceGuard)<BR>&nbsp; Bin File: /usr/sbin/cm*<BR>&nbsp; Config File: /ect/cmcluster/*.ascii<BR>&nbsp; View Config: clstat<BR>&nbsp; Software File: /opt/cmcluster/*<BR>&nbsp; Tool: /opt/cmcluster/toolkit<BR>&n...]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Fri, 02 May 2008 12:01:56 GMT</pubDate>
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								<title>关于启用parallel_max_servers参数的影响</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-255349</link>
								<description><![CDATA[<P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 近期在进行大量数据转换时，启用了parallel_max_servers参数，由于在rac环境中，只启动了一边的参数，导致启动该参数的一侧，数据库运行特别缓慢，经trace 10046发现，事务在进行“kxfpg1srv could not start P000,inst 2”尝试，经查找...]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Mon, 28 Apr 2008 15:38:25 GMT</pubDate>
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								<title>解决db_link不能自动匹配domain_name的问题</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-254502</link>
								<description><![CDATA[<P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 近期，在进行数据库割接过程中，多次出现在原数据库中能够使用db_link的缩写（即不带有domain_name）即可访问remote database，而在割接后使用db_link必须带全域名的现象，导致很多存储过程失效。经分析结论大致如下：</P>
<P>&...]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Sat, 26 Apr 2008 09:13:59 GMT</pubDate>
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								<title>关于truncate慢的一篇案例</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-253128</link>
								<description><![CDATA[<P>该文章来自<A href="http://www.oracleblog.cn/working-case/troubleshooting-unable-to-truncate-table/"><FONT color=#b96f17>http://www.oracleblog.cn/working-case/troubleshooting-unable-to-truncate-table/</FONT></A> </P>
<P>个人猜测问题出自四川移动</P>...]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Fri, 25 Apr 2008 13:36:59 GMT</pubDate>
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								<title>一次Hp宕机导致系统crash的描述</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-254572</link>
								<description><![CDATA[<P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;今天，在进行hp参数修改后，需要重启主机，随即执行cmhaltnode，由于没有仔细观察输出的结果（umount filesystem没有成功），直接执行shutdown -ry now，长时间机器没有反应，经检查发现系统正在做crash。特将本次事故回溯如下：</P>
<...]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Thu, 24 Apr 2008 11:45:36 GMT</pubDate>
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								<title>Hp跟踪进程的工具tusc</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-249246</link>
								<description><![CDATA[<P>今天在分析oracle startup 过程中hung的问题时，hp工程师使用了tusc工具，尝试后感觉很好，并作搜集如下：</P>
<P><A href="http://h20331.www2.hp.com/hpsub/cache/286022-0-0-225-121.html">http://h20331.www2.hp.com/hpsub/cache/286022-0-0-225-121.html</A></P>]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Wed, 23 Apr 2008 23:01:07 GMT</pubDate>
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								<title>安装proc的过程</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-249135</link>
								<description><![CDATA[<SPAN class=javascript. id=text3036686>oracle 9.2安装proc的办法<BR>服务器或客户端都有<BR>用\disk1\setup.exe选自定义<BR>查看一个叫oracle programmer的组件，状态是已安装<BR>其实没有安装全，把它勾掉，再选上，然后就会<BR>出来安装清单<BR>删除2个组件<BR>新装2...]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Wed, 23 Apr 2008 15:29:30 GMT</pubDate>
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								<title>给sqlplus安装help功能</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-249112</link>
								<description><![CDATA[<P>今天在sqlplus中查看help set，结果显示help not availeble，故安装help功能，执行脚本如下：</P>
<P>cd $ORACLE_HOME/bin</P>
<P>./helpins</P>]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Wed, 23 Apr 2008 15:18:54 GMT</pubDate>
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								<title>Oracle9208升级过程</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-244121</link>
								<description><![CDATA[<P>今天进行了oracle9206升级oracle9208，大致如下：</P>
<P>1：安装oracle software（40分钟）</P>
<P>x-manger<BR>runInstaller.sh</P>
<P>vi .rhosts<BR>/oracle/app/oracle/product/9.2.0.6/oui/lib/aix&gt; mv liboraInstaller.so liboraInstaller.so.old<BR>/ora...]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Fri, 18 Apr 2008 10:04:54 GMT</pubDate>
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								<title>Standby数据库维护</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-243682</link>
								<description><![CDATA[<P><SPAN>以下命令均在<SPAN>Standby</SPAN>端执行<SPAN> </SPAN></SPAN></P>
<P><SPAN>1</SPAN><SPAN>．如果是使用</SPAN><SPAN>ARCH</SPAN><SPAN>传递</SPAN><SPAN>redo</SPAN><SPAN>数据，那么执行以下命令：</SPAN><SPAN> </SPAN></P>
<P><SPAN>检查是否有<SPAN>gap...]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Fri, 18 Apr 2008 08:59:21 GMT</pubDate>
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								<title>Standby数据库出现的问题</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-242546</link>
								<description><![CDATA[<P>最近两天进行了standby割接oracle9206，出现的问题大致如下：</P>
<P>1：使用arch进行log同步时，建议从小到大依次使用log_archive_dest_n，避免出现standby与primary无法握手的现象；</P>
<P>2：使用lgwr进行log同步时，存在shared pool相关的bug；</P>
<P>3：制作...]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Thu, 17 Apr 2008 17:13:30 GMT</pubDate>
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								<title>hp superdome 测试oracle9208出现的redo log相关的问题</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-235543</link>
								<description><![CDATA[<P>1：问题描述: v$session_wait 出现大量latch free latch#=115<BR>&nbsp;&nbsp; 解决方法：log_parallelism=8<BR>&nbsp;&nbsp; 结果跟踪：已解决</P>
<P>2: 问题描述: oracle 异常宕库<BR>&nbsp;&nbsp; ORA-00600: internal error code, arguments: [kcrfw_redo_write_...]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Sat, 12 Apr 2008 15:35:17 GMT</pubDate>
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								<title>数据库出现log file sync等待事件</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-235532</link>
								<description><![CDATA[<P class=style25 align=left>当一个用户提交(commits)或者回滚(rollback),session的redo信息需要写出到redo logfile中.<BR>用户进程将通知LGWR执行写出操作,LGWR完成任务以后会通知用户进程.<BR>这个等待事件就是指用户进程等待LGWR的写完成通知.</P>
<P class=style25 ...]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Sat, 12 Apr 2008 11:45:28 GMT</pubDate>
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								<title>dmp文件字符集问题处理</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-231282</link>
								<description><![CDATA[<P>今天处理了dmp文件ZHS16GBK往we8iso8859p1数据库imp的问题，具体操作：</P>
<P>1：修改dmp文件2~3字节，将0354更改为001f</P>
<P>2：修改dmp文件46~49字节，将03540354更改为001F001F</P>
<P>3：检查profile（即：imp session）中是否设置为we8iso8859p1</P>
<P>4：...]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Tue, 08 Apr 2008 09:07:02 GMT</pubDate>
							</item>
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								<title>hpux设置时钟服务器</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-231089</link>
								<description><![CDATA[<STRONG><FONT color=#222222>HP-UX上一步步配置NTP</FONT></STRONG> HP-UX上要实现时间同步，需要设置时间服务器和客户端，相关的进程是xntpd。<BR><BR>　　具体的配置文件为以下几个：<BR><BR>　　1. /etc/ntp.conf<BR>　　2. /etc/ntp.drift 在client上自己建立,用作dr...]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Mon, 07 Apr 2008 20:00:11 GMT</pubDate>
							</item>
							<item>
								<title>关于用户权限</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-231084</link>
								<description><![CDATA[<P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 今天主要解决了A用户无法查看B用户procedure、package body内容的问题，首先需要给用户赋execute any procedure权限，但此权限进能解决查看procedure,function,trigger等问题，要想查看package body的内容还必须赋alter any procedure权...]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Mon, 07 Apr 2008 19:03:26 GMT</pubDate>
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								<title>今天拨打hp服务电话4008107000</title>
								<link>http://space.itpub.net/?uid-13132547-action-viewspace-itemid-228943</link>
								<description><![CDATA[今天咨询hp关于命令行不能输入中文的问题，她们回复使用csh，ksh可以解决，我试了后，问题还是不能解决。倒是学会了一个查找机器序列号的命令，&nbsp; getconf CS_MACHINE_SERIAL。]]></description>
								<category>blog</category>
								<author>jiaochangjun</author>
								<pubDate>Sat, 05 Apr 2008 11:50:38 GMT</pubDate>
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