Adding function to change multipath policy

Microsoft.AVS.Management/Microsoft.AVS.Management.psd1

@@ -100,6 +100,7 @@
          "Remove-AVSStoragePolicy"
          "Set-CustomDRS"
          "Set-AVSVSANClusterUNMAPTRIM"
+         "Set-DatastoreMultipathingPolicy"
        )
 
     # Cmdlets to export from this module, for best performance, do not use wildcards and do not delete the entry, use an empty array if there are no cmdlets to export.

Microsoft.AVS.Management/Microsoft.AVS.Management.psm1

@@ -2778,3 +2778,37 @@ Function Set-AVSVSANClusterUNMAPTRIM {
         }
     }
 }
+
+<#
+    .DESCRIPTION
+     Set default Multipath Policy to Round Robin.
+
+    .PARAMETER DatastoreName
+     Datastore name
+
+    .EXAMPLE
+     Set-DatastoreMultipathingPolicy -DatastoreName "myDatastore"
+
+    .INPUTS
+     vCenter datastore name.
+
+    .OUTPUTS
+     None.
+#>
+function Set-DatastoreMultipathingPolicy {
+    [CmdletBinding()]
+    [AVSAttribute(10, UpdatesSDDC = $false, AutomationOnly = $true)]
+    param(
+        [Parameter(Mandatory=$true)]
+        [string]$DatastoreName
+    )
+    try {
+        $datastore = Get-Datastore -Name $DatastoreName -ErrorAction Stop
+        $policy = Get-ScsiLun -Datastore $datastore | Get-View | Select-Object -First 1 -ExpandProperty MultipathPolicy
+        $policy.ChangePolicy("VMW_PSP_RR")
+        Write-Host "Successfully set Multipath Policy to Round Robin for datastore $DatastoreName."
+    }
+    catch {
+        Write-Error "Failed to set Multipath Policy for datastore $DatastoreName. Error: $($_.Exception.Message)"
+    }
+ }