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Oracle 11g alert文件变化

Jun 07, 2016 pm 05:15 PM

Oracle 11g的日志文件(有点变化)从 Oracle 11g 开始,Oracle 以 XML 与传统的文本两种格式提供 Alert 日志。新的日志位置由 Au

Oracle 11g的日志文件(有点变化)

从 Oracle 11g 开始,,Oracle 以 XML 与传统的文本两种格式提供 Alert 日志。

新的日志位置由 Automatic Diagnostic Repository (ADR) 决定。可以通过新的初始化参数 DIAGNOSTIC_DEST 控制 ADR BASE 的位置。如果没有设定这个初始化参数的位置,而设置 ORACLE_BASE 环境变量的话,那么,如果没有设定 ORACLE_BASE , 则 ORACLE_HOME/log 即为 DIAGNOSTIC_DEST。

Alert Log 文件父目录的位置在:

ADR_BASE/diag/product_type{eg:rdbms}}/product_id{eg:11g}/instance_id

这个目录下有 alert/trace/bdump 之类的子目录。就是 Log 的具体位置了。alert 下是 XML 文件:

可在v$diag_info视图中用如下命令查到:

select * from v$diag_info where name ='Diag Alert';

select * from v$diag_info where name ='Diag Trace';

select * from v$diag_info;

如:

SQL> select value from v$diag_info where;

VALUE

--------------------------------------------------------------------------------

/u01/oracle/app/diag/rdbms/orcl/orcl/alert

 

SQL> select value from v$diag_info where;

 

VALUE

--------------------------------------------------------------------------------

/u01/oracle/app/diag/rdbms/orcl/orcl/trace

SQL> select value from v$parameter where;

 

VALUE

--------------------------------------------------------------------------------

/u01/oracle/app/diag/rdbms/orcl/orcl/trace

 

SQL> show parameter DIAGNOSTIC_DEST;

 

 

NAME                                 TYPE        VALUE

------------------------------------ ----------- ------------------------------

diagnostic_dest                      string      /u01/oracle/app

linux

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