Hi friends ,

I am able to see empty disk in disk management .
but oracle is not identofying this diskgroup thorugh asm .

please et me know what i am missing .

SQL> create diskgroup dg1 external redundancy disk 'SPARISK1' ;
create diskgroup dg1 external redundancy disk 'SPARISK1'
*
ERROR at line 1:
ORA-15018: diskgroup cannot be created
ORA-15031: disk specification 'SPARISK1' matches no disks
ORA-15056: additional error message
OSD-04659: Message 4659 not found; product=RDBMS; facility=SOSD
O/S-Error: (OS 123) The filename, directory name, or volume label syntax is
incorrect.

operating system is windows 2003 server'

thanks