System copy post DB refresh error

Hi,

I am doing a post db refresh (Oracle/Solaris) and while creating control file getting error

SQL> CREATE CONTROLFILE SET DATABASE "XXX" RESETLOGS ARCHIVELOG;

CREATE CONTROLFILE SET DATABASE "XXX" RESETLOGS ARCHIVELOG

*

ERROR at line 1:

ORA-01503: CREATE CONTROLFILE failed

ORA-01565: error in identifying file '?/dbs/dbs1@.dbf'

ORA-27037: unable to obtain file status

SVR4 Error: 2: No such file or directory

Additional information: 3

ALSO

SQL> startup nomount

ORACLE instance started.

Total System Global Area 2214592512 bytes

Fixed Size                  2053640 bytes

Variable Size            1174407672 bytes

Database Buffers         1006632960 bytes

Redo Buffers               31498240 bytes

SQL> @control.sql

SP2-0310: unable to open file "control.sql"

Please help.