Script to find UUID of RDM Luns in Hyper-V
Run the below command in the Powershell to get the ouput in the text format.
get-cluster ‘custername’ | Get-VM | Get-HardDisk -DiskType “RawPhysical”,”RawVirtual” | Select Parent,Name,DiskType,ScsiCanonicalName,DeviceName | fl | Out-File –FilePath C:\temp\RDM-list.txt