+++10gr2 如果修改了主机名，没有更改/etc/hosts相应的信息，则数据库在关闭和启动的时候都会报错 [oracle@oracle ~]$ sqlplus /
+++10gr2
 如果修改了主机名，没有更改/etc/hosts相应的信息，则数据库在关闭和启动的时候都会报错
[oracle@oracle ~]$ sqlplus / as sysdba
sql*plus: release 10.2.0.1.0 - production on sun apr 6 19:19:30 2014
 copyright (c) 1982, 2005, oracle.  all rights reserved.
 connected.
 sql>
 sql>
 sql> shut immediate
 ora-24324: service handle not initialized
 ora-24323: value not allowed
 ora-00600: internal error code, arguments: [%s], [%s], [%s], [%s], [%s], [%s], [%s], [%s]
sql> shut abort
 ora-01031: insufficient privileges
[oracle@oracle ~]$ sqlplus / as sysdba
 sql*plus: release 10.2.0.1.0 - production on sun apr 6 19:20:55 2014
 copyright (c) 1982, 2005, oracle.  all rights reserved.
 connected to an idle instance.
sql> startup
 ora-00600: internal error code, arguments: [keltnfy-ldminit], [46], [1], [], [], [], [], []
 sql>
+++11gr2
 如果修改了主机名，没有更改/etc/hosts相应的信息，则数据库可以正常关闭，但是启动的时候会报错
 [oracle@oracle ~]$ sqlplus / as sysdba
sql*plus: release 11.2.0.1.0 production on sun apr 6 11:27:27 2014
 copyright (c) 1982, 2009, oracle.  all rights reserved.
 connected to:
 oracle database 11g enterprise edition release 11.2.0.1.0 - 64bit production
 with the partitioning, olap, data mining and real application testing options
sql> shut immediate
 database closed.
 database dismounted.
 oracle instance shut down.
sql> startup
 ora-00119: invalid specification for system parameter local_listener
 ora-00130: invalid listener address '(address=(protocol=tcp)(host=oracle)(port=1521))'
 sql> exit
+++12c
 如果修改了主机名，没有更改/etc/hosts相应的信息，，则数据库不可以正常关闭，但是可以abort关闭，启动的时候会报错
 [oracle@oracle ~]$ sqlplus / as sysdba
sql*plus: release 12.1.0.1.0 production on sun apr 6 11:34:38 2014
 copyright (c) 1982, 2013, oracle.  all rights reserved.
 connected.
 sql> shut immediate
 ora-00000: normal, successful completion
 sql> shut immediate
 ora-00000: normal, successful completion
 sql> shut abort
 oracle instance shut down.
 sql>
 sql> startup
 ora-00119: invalid specification for system parameter local_listener
ora-00130: invalid listener address '(address=(protocol=tcp)(host=oracle)(port=1521))'