Considerably, This particular post will be useful for managing the ASM Disk Groups with the help of essential commands.
To drop disk group,
Dropped diskgroup changed as former and can see no data in v$asm_diskgroup
Create a diskgroup with AU
To add a new disk in existing disk group
In this case, disk is already added.
To drop a disk in existing disk group
That's all I have here. Please do check out for other posts. Thank you!