Hyper-V Get VM Disk Size

Get VHD location:

Get-VM -VMName $vmname | Select-Object VMId | Get-VHD 

Get VM Size

Get-VM -VMName vmname | Select-Object VMId | Get-VHD | select vhdtype,path,@{label='Size(GB)';expression={$_.filesize/1gb -as [int]}}

Get-VM | Select-Object VMId | Get-VHD | select vhdtype,path,@{label='Size(GB)';expression={$_.filesize/1gb -as [int]}}

On Cluster

Get-VM -ComputerName (Get-ClusterNode) | ForEach-Object {Get-VHD -ComputerName $_.ComputerName -VMId $_.VMId} | Select -Property path,computername,vhdtype,@{label='Size(GB)';expression={$_.filesize/1gb -as [int]}}