1, single machine installation database service, do hot standby database, it is necessary to open the database file
The installation directory/opt/dm8
SQL> The alter database mount; Change the database configuration mode
SQL> The alter database archivelog; Open the file
SQL> alter database open; Change the database open mode
SQL> Select name, arch_mode, status $from v $database; Check if file
2, the whole database backup database
SQL> Backup the database full backupset '/opt/dm8/backup;
3, restore database
RMAN> Restore the database '/dm8/data/DAMENG/dm. Ini' from backupset '/dm8/backup;
4, the database service
An error as below
Detailed log information/opt/dm8/log/dm_DMSERVER_202103 log
Need to update the database the magic number
5, update the database the magic number
6, the database service
