1、rac数据库调整为归档模式步骤:
sql> alter system set cluster_database=false scope=spfile sid='orcl1';
sql> alter system set db_recovery_file_dest='+oraflash' scope=spfile;
sql> alter system set db_recovery_file_dest_size=20g scope=spfile;
$ srvctl stop database -d orcl
$ sqlplus / as sysdba;
sql> startup mount;
sql> alter database archivelog;
sql> alter system set cluster_database=true scope=spfile sid='orcl1';
sql> shutdown immediate;
$ srvctl start database -d orcl
sql> select name,log_mode,flashback_on from v$database;
2、rac数据库启动闪回特性步骤:
确认数据已经运行在归档模式中:
sql> archive log list;
sql> alter database flashback on;
注意:可以根据需要为特定的表空间打开或关闭闪回:
sql> alter tablespace users flashback on;
sql> alter tablespace users flashback off;
sql> select name,log_mode,flashback_on from v$database;
最新内容请见作者的github页:http://qaseven.github.io/