DR-stanby直接startup

[oracle@pri ~]$ sqlplus /  as sysdba

SQL*Plus: Release 11.2.0.4.0 Production on Thu Jul 4 18:51:22 2019

Copyright (c) 1982, 2013, Oracle.  All rights reserved.

Connected to an idle instance.

SQL> startup 
ORACLE instance started.

Total System Global Area  534462464 bytes
Fixed Size                  2254952 bytes
Variable Size             423626648 bytes
Database Buffers          104857600 bytes
Redo Buffers                3723264 bytes
Database mounted.
Database opened.
SQL> select database_role from v$database;

DATABASE_ROLE
----------------
PHYSICAL STANDBY

SQL> select open_mode from v$database;

OPEN_MODE
--------------------
READ ONLY

SQL>