Oracle ORA-01033: ORACLE initialization or shutdown in progress 错误

解决办法：
[oracle@slave ~]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.4.0 Production on Tue Jan 22 09:58:53 2019

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

Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL> shutdown normal
ORA-01109: database not open

Database dismounted.
ORACLE instance shut down.
SQL> startup mount
ORACLE instance started.

Total System Global Area 3691200512 bytes
Fixed Size 2258680 bytes
Variable Size 788531464 bytes
Database Buffers 2885681152 bytes
Redo Buffers 14729216 bytes
Database mounted.
SQL> alter database open;

Database altered.