ADVM volume in Exadata

I am new to Exadata world , just wanted to confirm if me creating a volume in a diskgroup in exadata can have any adverse effect ?

I want to create an ACFS volume on RECOC1 disk group. 

I have  done this many times on a non Exadata servers.

SYS@DBMQA11> select name,total_mb,free_mb from v$asm_diskgroup;

NAME                             TOTAL_MB    FREE_MB
------------------------------ ---------- ----------
DATAC1                           54429696   10141924
DBFS_DG                            415296      52800
RECOC1                           13610880    7559200

SQL> select volume_name, volume_device from  v$asm_volume;

no rows selected

SQL>  alter diskgroup RECOC1 add volume datavol1 size 500M;