Oracle Error ORA-15065: hash collision for diskgroup names ‘string’ and ‘string’

Oracle Error Message

ORA-15065: hash collision for diskgroup names ‘string’ and ‘string’

Reason for the Error

There was a collision in the group name used for the diskgroup. The diskgroup(s) cannot be mounted using colliding names.

Solution

Use a different diskgroup name and also report to Oracle Support Services the two diskgroup names which collided.