Home Database Mysql Tutorial 查看修改Oracle10G归档日志空间的限制

查看修改Oracle10G归档日志空间的限制

Jun 07, 2016 pm 04:55 PM
oracle

在Oracle10G中,默认的归档路径为$Oracle_BASE/flash_recovery_area。对于这个路径,Oracle有一个限制,就是默认只能有2G的空

  在Oracle10G中,,默认的归档路径为$Oracle_BASE/flash_recovery_area。对于这个路径,Oracle有一个限制,就是默认只能有2G的空间给归档日志使用,可以使用下面两个SQL语句去查看它的限制:

  1. select * from v$recovery_file_dest;

  2. show parameter db_recovery_file_dest(这个更友好直观一些)

  当归档日志数量大于2G时,那么就会由于没有更多的空间去容纳更多的归档日志会报无法继续归档的错误。

  如:“RA-19809: limit exceeded for recovery files

  ORA-19804: cannot reclaim 10017792 bytes disk space from 2147483648 limit

  ARC0: Error 19809 Creating archive log file to '/u01/app/Oracle/flash_recovery_area/ORCL/archivelog/2007_04_30/o1_mf_1_220_0_.arc' ”这时我们可以修改它的默认限制,比如说将它增加到5G或更多,也可以将归档路径重新置到别的路径,就不会有这个限制了。

  更改限制语句如下:

  alter system set db_recovery_file_dest_size=5368709102  (这里为5G 5x1024x1024x1024=5G)

  alter system set db_recovery_file_dest_size=10737418240

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