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  • 12C expdp issue

    issue 1:

    使用expdp时遭遇ora-31650

    D:oraclediag dbms race>expdp "/ as sysdba"  schemas=JUSTIN dumpfile=JUSTIN_120803.dmp directory=datapumpdir

    Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - 64bit Production

    With the Partitioning, OLAP, Data Mining and Real Application Testing options

    ORA-31626: job does not exist

    ORA-31650: timeout waiting for master process response

    MOS常见的原因是

    1      RAC不同节点试图同时使用expdp

    2      sga不足,调整sga_target至少为1G

          3    aq_tm_processes=0

    解决方法:

    但该数据库是单实例,且sga_target/sga_max_size=8g应该足够了,应该是第3种原因,果然aq_tm_processes设置为0,刚开始该为2,仍然抱错,接着改成10才成功。重新启动db,才能生效:

    issue 2:

    expdp导出遇到ORA-39064: 无法写入日志文件

    expdp导出遇到ORA-39064: 无法写入日志文件

    1. . . 导出了 "USER_XXXX"."TAB_YYYY"                0 KB       0 行  
    2. ORA-39064: 无法写入日志文件  
    3. ORA-29285: 文件写入错误  


    经过搜索mos,有如下的文章给出了解决方案:
    Error ORA-39064 Might Be Encountered By DataPump Export (EXPDP) When NLS_LANG Is Different From Database Character Set (Doc ID 1321034.1)

    在该方案中给出的解决方案是:Please set the character set in environment variable NLS_LANG to database character set.

    方法如下:

    set nls_lang=

    env|grep LANG
    LANG=en_US

    Table 4 NLS_LANG Parameter Values for Linux Locales

    LanguageLocale IDNLS_LANG

    English (American)

    en_US.UTF-8

    AMERICAN_AMERICA.AL32UTF8

    English (American)

    en_US.ISO-8859-1

    AMERICAN_AMERICA.WE8ISO8859P1

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  • 原文地址:https://www.cnblogs.com/feiyun8616/p/6232390.html
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