rman 增量备份如何变快？CTWR变更跟踪写入器

 ctwr变更跟踪写入器

 

默认变更文件位置  db_create_file_dest 目录

 

 

alter database enable block change tracking using file '/u01/app/oracle/oradata/orcl/change_tracking.dbf'；

select * from v$block_change_tracking;

 

select program from v$process where program like '%CTWR%';

 

 

v$backup_datafile