https://docs.oracle.com/cd/F19136_01/sqlrf/ALTER-DISKGROUP.html
su - grid
export ORACLE_SID=+ASM1
sqlplus / as sysasm
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 MODIFY FILE '+test/tbs2.dbf'
ATTRIBUTE (
HOT
);