ORA-03113：end-of-file on communication channel

环境：oracle 11g 11.2.0.4 r2 RAC

ORALCE启动时报如下错误：

[oracle@racnode2 ~]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.1.0 Production on Fri Apr 30 22:58:07 2021

Copyright (c) 1982, 2009, Oracle.  All rights reserved.

Connected to an idle instance.

SQL> startup;
ORACLE instance started.

Total System Global Area  835104768 bytes
Fixed Size            2217952 bytes
Variable Size          675285024 bytes
Database Buffers      150994944 bytes
Redo Buffers            6606848 bytes
Database mounted.
ORA-03113: end-of-file on communication channel
Process ID: 10991
Session ID: 7 Serial number: 5

解决思路(ORACLE 11g)：

查看orcle启动日志，确定具体是什么原因引起的错误。

1、查看orcle启动日志，确定具体是什么原因引起的错误。

cd $ORACLE_HOME/diag/rdbms/实例名/实例名/trace/

查看日志位置

[root