ORA-01565: error in identifying file '+DATA/hui/spfilehui.ora'

SSH Secure Shell 3.2.9 (Build 283)

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Last login: Fri Feb 1 07:49:04 2013 from 192.168.0.100
[root@yinhui ~]# su - oracle
[oracle@yinhui ~]$ sqlplus / as sysdba;

SQL*Plus: Release 11.2.0.2.0 Production on Fri Feb 1 21:15:00 2013

Copyright (c) 1982, 2010, Oracle. All rights reserved.

Connected to an idle instance.

SQL> startup
ORA-01078: failure in processing system parameters
ORA-01565: error in identifying file '+DATA/hui/spfilehui.ora'
ORA-17503: ksfdopn:2 Failed to open file +DATA/hui/spfilehui.ora
ORA-12547: TNS:lost contact
SQL> exit
Disconnected
[oracle@yinhui ~]$ vi .bash_profile
# .bash_profile

# Get the aliases and functions
if [ -f ~/.bashrc ]; then
. ~/.bashrc
fi

# User specific environment and startup programs

PATH=$PATH:$HOME/bin

export PATH

ulimit -u 16384 -n 65536
export ORACLE_BASE=/u01/app/oracle
export ORACLE_HOME=$ORACLE_BASE/product/11.2.0/db_1
export ORACLE_SID=hui
export PATH=$PATH:$ORACLE_HOME/bin
~
~
~
~
~
".bash_profile" 18L, 346C written
[oracle@yinhui ~]$ export ORACLE_SID=hui
[oracle@yinhui ~]$ sqlplus / as sysdba;

SQL*Plus: Release 11.2.0.2.0 Production on Fri Feb 1 21:18:31 2013

Copyright (c) 1982, 2010, Oracle. All rights reserved.

Connected to an idle instance.

SQL> startup
ORA-01078: failure in processing system parameters
ORA-01565: error in identifying file '+DATA/hui/spfilehui.ora'
ORA-17503: ksfdopn:2 Failed to open file +DATA/hui/spfilehui.ora
ORA-12547: TNS:lost contact
SQL> exit

SQL> exit
Disconnected
[oracle@yinhui ~]$ su - grid
Password:
[grid@yinhui ~]$ ls -l $ORACLE_HOME/bin/oracle
-rwxrwxr-x 1 grid oinstall 200678464 Feb 1 00:37 /u01/app/grid/bin/oracle
[grid@yinhui ~]$ chmod 6751 $ORACLE_HOME/bin/oracle
[grid@yinhui ~]$ ls -l $ORACLE_HOME/bin/oracle
-rwsr-s--x 1 grid oinstall 200678464 Feb 1 00:37 /u01/app/grid/bin/oracle
[grid@yinhui ~]$ su - oracle
Password:
[oracle@yinhui ~]$ ls -l $ORACLE_HOME/bin/oracle
-rwxrwsr-x 1 oracle asmadmin 228886468 Feb 1 00:49 /u01/app/oracle/product/11.2.0/db_1/bin/oracle
[oracle@yinhui ~]$ sqlplus / as sysdba;

SQL*Plus: Release 11.2.0.2.0 Production on Fri Feb 1 21:22:19 2013

Copyright (c) 1982, 2010, Oracle. All rights reserved.

Connected to an idle instance.

SQL> startup
ORACLE instance started.

Total System Global Area 1904054272 bytes
Fixed Size 2227632 bytes
Variable Size 1090519632 bytes
Database Buffers 805306368 bytes
Redo Buffers 6000640 bytes
Database mounted.
Database opened.
SQL>