function Get-FileSystemInventory {
<#
.SYNOPSIS
    Returns an OrderedDictionary that Represents the FileSystem Inventory.
#>

    [CmdletBinding()]
    Param()

    $logLead = (Get-LogLeadName);
    $providerStopWatch = [System.Diagnostics.StopWatch]::StartNew()

    $fileSystemDictionary = New-Object System.Collections.Specialized.OrderedDictionary
    $fileSystemDetails = New-Object System.Collections.Specialized.OrderedDictionary

    Set-Variable megaByteDivisor -Option Constant -Value 1048576

    try {

        Write-Verbose "$logLead : [$($providerStopWatch.Elapsed)] : Getting File System Details"
        $diskInfo = Get-CIMInstance -Namespace "root\CIMV2" -Class Win32_LogicalDisk -Property DeviceID, Name, FileSystem, VolumeName, Size, FreeSpace
        Write-Verbose "$logLead : [$($providerStopWatch.Elapsed)] : File System Details Retrieved"

        foreach ($disk in $diskInfo) {
            $deviceId = $disk.DeviceID
            $fileSystemDetails[$deviceId] = New-Object System.Collections.Specialized.OrderedDictionary
            $fileSystemDetails[$deviceId]['Mount'] = $disk.CimInstanceProperties['Name'].Value
            $fileSystemDetails[$deviceId]['Type'] = ($disk.CimInstanceProperties['FileSystem'].Value)
            $fileSystemDetails[$deviceId]['Name'] = $disk.CimInstanceProperties['VolumeName'].Value
            $fileSystemDetails[$deviceId]['SizeMB'] = $disk.CimInstanceProperties['Size'].Value / $megaByteDivisor
            $fileSystemDetails[$deviceId]['AvailableMB'] = $disk.CimInstanceProperties['FreeSpace'].Value / $megaByteDivisor
            $fileSystemDetails[$deviceId]['UsedMB'] = $fileSystemDetails[$deviceId]['SizeMB'] - $fileSystemDetails[$deviceId]['AvailableMB']
            $fileSystemDetails[$deviceId]['UsedPercent'] = `
                if ($fileSystemDetails[$deviceId]['SizeMB'] -ne 0) {
                [System.Math]::Round($fileSystemDetails[$deviceId]['UsedMB'] * 100 / $fileSystemDetails[$deviceId]['SizeMB'], 2)
            } else {
                0
            }
        }
    } catch {

        $fileSystemDetails["Error"] = $_.Exception.ToString()
    }

    $fileSystemDictionary.Add('FileSystem', $fileSystemDetails)

    Write-Verbose "$logLead : [$($providerStopWatch.Elapsed)] : Provider Complete"
    $providerStopWatch.Stop()

    return $fileSystemDictionary
}