【RMAN备份恢复】针对Flash Recovery Area删除文件不回收空间的问题诊断

针对Flash Recovery Area删除文件不回收空间的问题诊断, 即在FRA下删除了文件但space未被回收的情况, 首先收集如下信息

 

ALERT LOG

 

select * from v$recovery_area_usage;

select * from v$recovery_file_dest;

 

rman 收集:

show all;

catalog recovery area;

 

并收集以下TRACE:

alter session set events ‘immediate trace name kra_trace level 1’;

execute dbms_backup_restore.refreshAgedFiles;

alter session set events ‘immediate trace name kra_trace level 4’;


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