Closes #972. Duplicate metacluster renamed values causes issues with grouping in later steps, so this should not be allowed.
How did you implement your changes
Verify that the provided renamed metacluster has not already been taken. If it has, then terminate the renaming process. This will cause that particular metacluster name to be truncated for the time being and is noted in the documentation.
What is the purpose of this PR?
Closes #972. Duplicate metacluster renamed values causes issues with grouping in later steps, so this should not be allowed.
How did you implement your changes
Verify that the provided renamed metacluster has not already been taken. If it has, then terminate the renaming process. This will cause that particular metacluster name to be truncated for the time being and is noted in the documentation.