$rgName = ‘testingsan’
$vmName = ‘testingsan’
$location = ‘myAzureLocation’
$storageType = ‘StandardLRS’
Function Dateformat {
$date =Get-Date -UFormat “%y%m%d%H%M”
$date.ToString()
}
$df = Dateformat
$dataDiskName = $vmName + ‘_datadisk’+‘_’+$df
$diskConfig = New-AzureRmDiskConfig -AccountType $storageType -Location $location -CreateOption Empty –DiskSizeGB 9999
$dataDisk = New-AzureRmDisk -DiskName $dataDiskName -Disk $diskConfig -ResourceGroupName $rgName
$vm = Get-AzureRmVM -Name $vmName -ResourceGroupName $rgName
$vm = Add-AzureRmVMDataDisk -VM $vm -Name $dataDiskName -CreateOption Attach -ManagedDiskId $dataDisk.Id -Lun 0
Update-AzureRmVM -VM $vm -ResourceGroupName $rgName