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# 42667
edwin
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To:
谢谢eygle
From: edwin 2007.02.01 13:06
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# 42666
Chi
来自: Mexico
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To: Eygle
I experienced an database (10g R2) stop problem when I continuously did twice impdp with table_exists_action option. Because of the import pump process use a SQL,so it generated a VERY large archivelog and eventually it saturated the flash_recovery_area, and redo log can not handle and stop the instance.I had to remove the current day´s archivelog and RMAN delete some of expired ones. so I can re-startup and open the instance.Otherwise I get this message
ORA-16038: log 2 sequence# 1012 cannot be archived
ORA-19502: write error on file "", blockno(blocksize=)
ORA-00312: online log 2 thread 1: '/oracleapp/oradata/baanbk/redo02.log'
How can I avoid this? besides to disable archivelog, which need to stop/start the DB?
From: Chi 2007.02.01 05:20
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To: Chi
其实你应该监控磁盘空间使用或者数据库的警告日志(alert file)的,如果归档日志过多,空间趋于耗尽,你应该及时发现并处理的。
From: eygle 2007.02.05 08:54
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# 42664
edwin
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To:
To eygle:
请教一下在oracle 10g中如何用语法来查看,哪些表被lock住啊,我以前都是通过EM来进行查看的。谢谢!
From: edwin 2007.01.31 18:16
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To: edwin
v$locked_object
From: eygle 2007.02.01 10:39
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# 42659
rocket_zhao
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To: EYGLE
是的dba_extents
From: rocket_zhao 2007.01.29 09:50
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To: rocket_zhao
通过dba_extents看某个文件,通过block_id,可以算出最后空间占用的大小,resize肯定是可以抵达这个位置的。
From: eygle 2007.01.29 20:11
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# 42671
liu_yan
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To:
你好,我想问一个关于在生产系统中如何验证备份有效性的问题,当处于用户管理的备份时候,我们备份出来的数据文件如何验证是能够恢复的呢?(包括restore 和recover操作)。如何在rman中呢?如果没有第三方的工具的话,用oracle的dbv工具和rman的validate在实际工作中可行吗?我想了好长时间,帅哥可以指点一下吗?谢谢!
From: liu_yan 2007.01.28 19:29
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# 43128
liu_yan
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To:
你好,我想问一个关于在生产系统中如何验证备份有效性的问题,当处于用户管理的备份时候,我们备份出来的数据文件如何验证是能够恢复的呢?(包括restore 和recover操作)。如何在rman中呢?如果没有第三方的工具的话,用oracle的dbv工具和rman的validate在实际工作中可行吗?我想了好长时间,帅哥可以指点一下吗?谢谢!
From: liu_yan 2007.01.28 19:29
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# 42658
yang_shuo
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To:
scn_to_timestamptimestamp_to_scn 着两个函数您是怎么找到的,这两个函数真的很有用 ,我一直为scn 和 时间 之间怎么联系起来发愁呢?
From: yang_shuo 2007.01.27 17:16
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To: yang_shuo
这是10g的新特性,不过scn与时间没有绝对的对应关系,这两个函数提供的只是一定时间内特定数据库的转换。
From: eygle 2007.01.29 08:58
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