-bash-4.1$ sqlplus / as sysdba
SQL*Plus: Release 11.2.0.1.0 Production on 星期五 9月 13 14:39:24 2013
Copyright (c) 1982, 2009, Oracle. All rights reserved.
Connected to an idle instance.
SQL>
但是，数据库确实是启动的
-bash-4.1$ crs_stat -t -v
名称 类型 R/RA F/FT 目标 状态 主机
----------------------------------------------------------------------
ora.DATADG.dg ora....up.type 0/5 0/ ONLINE ONLINE ais1
ora....ER.lsnr ora....er.type 0/5 0/ ONLINE ONLINE ais1
ora....N1.lsnr ora....er.type 0/5 0/0 ONLINE ONLINE ais1
ora.SYSDG.dg ora....up.type 0/5 0/ ONLINE ONLINE ais1
ora....SM1.asm application 0/5 0/0 ONLINE ONLINE ais1
ora....S1.lsnr application 0/5 0/0 ONLINE ONLINE ais1
ora.ais1.gsd application 0/5 0/0 OFFLINE OFFLINE
ora.ais1.ons application 0/3 0/0 ONLINE ONLINE ais1
ora.ais1.vip ora....t1.type 0/0 0/0 ONLINE ONLINE ais1
ora....SM2.asm application 0/5 0/0 ONLINE ONLINE ais2
ora....S2.lsnr application 0/5 0/0 ONLINE ONLINE ais2
ora.ais2.gsd application 0/5 0/0 OFFLINE OFFLINE
ora.ais2.ons application 0/3 0/0 ONLINE ONLINE ais2
ora.ais2.vip ora....t1.type 0/0 0/0 ONLINE ONLINE ais2
ora.asm ora.asm.type 0/5 0/ ONLINE ONLINE ais1
ora.eons ora.eons.type 0/3 0/ ONLINE ONLINE ais1
ora.gsd ora.gsd.type 0/5 0/ OFFLINE OFFLINE
ora....network ora....rk.type 0/5 0/ ONLINE ONLINE ais1
ora.oc4j ora.oc4j.type 0/5 0/0 OFFLINE OFFLINE
ora.ons ora.ons.type 0/3 0/ ONLINE ONLINE ais1
ora.prod.db ora....se.type 0/2 0/1 ONLINE ONLINE ais1
ora.scan1.vip ora....ip.type 0/0 0/0 ONLINE ONLINE ais1
原因为，oracle用户的.bash_profile中的ORACLE_ID为大写
-bash-4.1$ echo $ORACLE_SID
PROD1
-bash-4.1$ sqlplus / as sysdba
SQL*Plus: Release 11.2.0.1.0 Production on 星期五 9月 13 14:38:33 2013
Copyright (c) 1982, 2009, Oracle. All rights reserved.
Connected to an idle instance.
SQL> exit
Disconnected
修改一下，正常连接
-bash-4.1$ export ORACLE_SID=prod1
-bash-4.1$ sqlplus / as sysdba
SQL*Plus: Release 11.2.0.1.0 Production on 星期五 9月 13 14:39:52 2013
Copyright (c) 1982, 2009, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,
Data Mining and Real Application Testing options
SQL>
但是直接通过VIP加数据库名的方式连接不区分大小写
-bash-4.1$ sqlplus aisj/aisj@192.168.3.7/PROD
SQL*Plus: Release 11.2.0.1.0 Production on 星期五 9月 13 14:41:32 2013
Copyright (c) 1982, 2009, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,
Data Mining and Real Application Testing options
SQL> exit
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,
Data Mining and Real Application Testing options
-bash-4.1$ sqlplus aisj/aisj@192.168.3.7/PRod
SQL*Plus: Release 11.2.0.1.0 Production on 星期五 9月 13 14:41:39 2013
Copyright (c) 1982, 2009, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,
Data Mining and Real Application Testing options
SQL>