ORA-10873: file 1 needs to be either taken out of backup mode or media recovered

[oracle@racha1 ~]$ sqlplus "/as sysdba"

SQL*Plus: Release 11.2.0.1.0 Production on Tue Dec 2 16:50:33 2014

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

Connected to an idle instance.

SQL>
SQL> startup
ORACLE instance started.

Total System Global Area  636100608 bytes
Fixed Size                  1338392 bytes
Variable Size             184550376 bytes
Database Buffers          444596224 bytes
Redo Buffers                5615616 bytes
Database mounted.
ORA-10873: file 1 needs to be either taken out of backup mode or media
recovered
ORA-01110: data file 1: '+DATA/testdb/datafile/system.271.860462435'



///////////////

[oracle@racha1 ~]$ sqlplus "/as sysdba"

SQL*Plus: Release 11.2.0.1.0 Production on Tue Dec 2 16:50:33 2014

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

Connected to an idle instance.

SQL>
SQL> startup
ORACLE instance started.

Total System Global Area  636100608 bytes
Fixed Size                  1338392 bytes
Variable Size             184550376 bytes
Database Buffers          444596224 bytes
Redo Buffers                5615616 bytes
Database mounted.
ORA-10873: file 1 needs to be either taken out of backup mode or media
recovered
ORA-01110: data file 1: '+DATA/testdb/datafile/system.271.860462435'


SQL>
SQL> exit
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, Automatic Storage Management, OLAP, Data Mining
and Real Application Testing options
[oracle@racha1 ~]$
[oracle@racha1 ~]$
[oracle@racha1 ~]$ sqlplus "/as sysdba"

SQL*Plus: Release 11.2.0.1.0 Production on Tue Dec 2 16:54:02 2014

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, Automatic Storage Management, OLAP, Data Mining
and Real Application Testing options

SQL>
SQL> select open_mode from v$database;

OPEN_MODE
--------------------
MOUNTED

SQL>
SQL>
SQL> select * from v$backup;

     FILE# STATUS                CHANGE# TIME
---------- ------------------ ---------- ---------
         1 ACTIVE                1541869 02-DEC-14
         2 ACTIVE                1541869 02-DEC-14
         3 ACTIVE                1541869 02-DEC-14
         4 ACTIVE                1541869 02-DEC-14
         5 ACTIVE                1541869 02-DEC-14
         6 ACTIVE                1541869 02-DEC-14
         7 ACTIVE                1541869 02-DEC-14
         8 ACTIVE                1541869 02-DEC-14
         9 ACTIVE                1541869 02-DEC-14

9 rows selected.

SQL>
SQL>
SQL> alter database end backup;

Database altered.

SQL>
SQL> select * from v$backup;

     FILE# STATUS                CHANGE# TIME
---------- ------------------ ---------- ---------
         1 NOT ACTIVE            1541869 02-DEC-14
         2 NOT ACTIVE            1541869 02-DEC-14
         3 NOT ACTIVE            1541869 02-DEC-14
         4 NOT ACTIVE            1541869 02-DEC-14
         5 NOT ACTIVE            1541869 02-DEC-14
         6 NOT ACTIVE            1541869 02-DEC-14
         7 NOT ACTIVE            1541869 02-DEC-14
         8 NOT ACTIVE            1541869 02-DEC-14
         9 NOT ACTIVE            1541869 02-DEC-14

9 rows selected.

SQL>
SQL> alter database open;

Database altered.

SQL>
SQL> select open_mode from v$database;

OPEN_MODE
--------------------
READ WRITE

SQL>
SQL>