run{
SET NEWNAME FOR DATABASE TO '/data/app/db/oradata/cydb/%b';
DUPLICATE DATABASE TO cydb
BACKUP LOCATION '/data/app/db/backup/'
NOFILENAMECHECK
logfile
group 1 ('/data/app/db/oradata/cydb/redo01a.log','/data/app/db/oradata/cydb/redo01b.log') SIZE 50M REUSE,
group 2 ('/data/app/db/oradata/cydb/redo02a.log','/data/app/db/oradata/cydb/redo02b.log') SIZE 50M REUSE,
group 3 ('/data/app/db/oradata/cydb/redo03a.log','/data/app/db/oradata/cydb/redo03b.log') SIZE 50M REUSE;
}
注意事项:
1.备份目录不能是 $ORACLE_HOME/dbs/,否则会使用控制文件快照来恢复
2.还原点是恢复的控制文件中的最后一份归档的终点