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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