su - oracle
sqlplus / as sysdba
set lines 1000
set pages 5000
select * from v$asm_diskgroup order by group_number;
select * from v$asm_file
where group_number = 4
order by group_number,file_number;
select * from v$asm_alias
where group_number = 4
order by group_number,file_number;
ALTER DISKGROUP test ADD ALIAS '+test/tbs3.dbf'
FOR '+test/TBS3.266.1189160903';
ALTER DISKGROUP test RENAME ALIAS '+test/tbs3.dbf'
TO '+test/tbs3_new.dbf';
ALTER DISKGROUP test DROP ALIAS '+test/tbs3_new.dbf';