What methods are available to distribute online redo log groups across multiple ASM disk groups usin

 I have a three node RAC database. Each node has a redo log thread with two groups. Each log group has two members on different ASM disk groups. I want to place the members of the odd numbered log groups on LOGDG1 and LOGDG2, and place the members of the even numbered log groups on LOGDG3 and LOGDG4.  Using DBCA, I can either place all log group members on LOGDG1 and LOGDG2 and add/drop members on/from the desired ASM disk groups, or place them on all four disk groups (LOGDG1, LOGDG2, LOGDG3 & LOGDG4), and drop the members of the odd numbered