Using Disk Manager
- Access Disk Manager under "Computer Management" in "Server Manager" or in the command prompt with
diskmgmt.msc
- Right-Click on the side-bar of the disk you wich to view and select "Properties"

- You will see the LUN number and the target name. In this example it's "LUN 3" and "PURE FlashArray"

Using Command Line & diskpart
- Open a command prompt:
Start > Run > cmd
- Start up the DISKPART utility:
C:\ Users\Administrators>diskpart
- Select the disk you wish to view (example uses disk 1, it can be any valid disk number):
DISKPART> select disk 1
- View the details of the selected disk:
DISKPART> detail disk

More Details on Using Diskpart: Microsoft Documentation: DiskPart Command Reference
Getting the LUN Serial Number
PowerShell
The following script can be used in PowerShell to get the Serial Number for either physical or virtualized host:
Windows PowerShell:
$AllDevices = gwmi -Class Win32_DiskDrive -Namespace 'root\CIMV2'
ForEach ($Device in $AllDevices) {
if($Device.Model -like 'PURE FlashArray*') {
@{
Name=$Device.Name;
Caption=$Device.Caption;
Index=$Device.Index;
SerialNo=$Device.SerialNumber;
} | Format-Table -AutoSize
}
}
Example Output:
Name Value
---- -----
Caption PURE FlashArray Multi-Path Disk Device
Name \\.\PHYSICALDRIVE1
SerialNo 95DAA3D006E43D8F0001C15C
Index 1
Name Value
---- -----
Caption PURE FlashArray Multi-Path Disk Device
Name \\.\PHYSICALDRIVE2
SerialNo 95DAA3D006E43D8F00013D18
Index 2
Name Value
---- -----
Caption PURE FlashArray Multi-Path Disk Device
Name \\.\PHYSICALDRIVE3
SerialNo 95DAA3D006E43D8F00013D1A
Index 3
Source: Pure Support Community via Barkz : Getting LUN ID from the Windows Disk ID and Back Again