Oracle Message ORA-15072 - command requires at least string failure groups, discovered only string

ERRORcommand requires at least string failure groups, discovered only string
CAUSEAn attempt was made to create either a normal redundancy diskgroup for which fewer than two failure groups were both specified and discovered, or a high redundancy diskgroup for which fewer than three failure groups were both specified and discovered.
ACTIONCheck the that the command does specify the required number of failure groups, and that all of the specified disks are discovered by ASM. A query of the V$ASM_DISK fixed view will show which disks are discovered by ASM.