Error on starup

Question

Dear Experts,
Upon starting up an instance I was prompted by this;
Enter password:
Connected to an idle instance.
SQL> startup
ORACLE instance started.
Total System Global Area  417546240 bytes
Fixed Size                  2213936 bytes
Variable Size             364906448 bytes
Database Buffers           41943040 bytes
Redo Buffers                8482816 bytes
Database mounted.
ORA-03113: end-of-file on communication channel
Process ID: 25838
Session ID: 191 Serial number: 3
SQL> select name from v$database;
ERROR:
ORA-03114: not connected to ORACLE
SQL>
Im running 11g on OLE 5U7.
Thanks in advance,
Hades

Answer 1

sorry for that. no backup was made on this instance. any advise you can give aside from backup?
here is some info, hop this can be helpful.
[oracle@oracle1 _dump]$ export ORACLE_SID=orc
[oracle@oracle1 _dump]$ sqlplus sys as sysdba
SQL*Plus: Release 11.2.0.1.0 Production on Wed Nov 6 21:53:25 2013
Copyright (c) 1982, 2009, Oracle.  All rights reserved.
Enter password:
Connected to an idle instance.
SQL> startup mount
ORACLE instance started.
Total System Global Area  417546240 bytes
Fixed Size                  2213936 bytes
Variable Size             364906448 bytes
Database Buffers           41943040 bytes
Redo Buffers                8482816 bytes
Database mounted.
SQL> alter database open resetlogs;
alter database open resetlogs
ERROR at line 1:
ORA-01194: file 1 needs more recovery to be consistent
ORA-01110: data file 1: '/u01/app/oracle/oradata/orc/system01.dbf'
SQL>
BR,
Hades