Update-StorageSystemPorts.ps1

# Ports we want to modify
$Ports = "1:0:0", "1:0:1", "2:0:0", "2:0:1"

# Set the portGroup name
$PortGroupName = "MyPortGroup1"

$StorageSystem = Get-HPOVStorageSystem -Name My3ParSystem

ForEach ($port in $Ports)
{

  ($StorageSystem.ports | ? name -eq $port).groupName = $PortGroup
  
}

# Now save the storage system object back to the API
Send-HPOVRequest -Uri $StorageSystem.uri -Method PUT -Body $StorageSystem | Wait-HPOVTaskComplete -OutVariable Results

if ($Results.taskState -ne 'Completed')
{

  $Results.taskErrors
  
}