#Requires -RunAsAdministrator
<#
This gets drive health information from a local or remote computer
It must be run as an administrator
Alan Kaplan www.akaplan.com 6/17/20
Public version 12/24/21
#>

[CmdletBinding()]
param (
    [Parameter(Mandatory = $true)]
    [string]$computer
)

Try {
    $s = New-CimSession -ComputerName $computer -ErrorAction Stop
}
Catch {
    Write-Warning $_
    Exit
}

Write-host "Getting disk information, please wait ..." -ForegroundColor green

#fixed disks only
$LogicalDisk = Get-CimInstance -Query "SELECT * FROM win32_logicaldisk WHERE DriveType = '3'" -CimSession $s

#MSStorageDriver_FailurePredictStatus WMI class not available if MVME or older OS
Try {
    $FPS = Get-CimInstance -Namespace root\wmi -ClassName MSStorageDriver_FailurePredictStatus -CimSession $s -ErrorAction Stop
    $Remarks = ''
}
Catch {
    $Remarks = "Failure Prediction Status not available"
}

#Associated instances hurt my head
@(foreach ($ld in $LogicalDisk) {
        $drvltr = $ld.DeviceID
        $Size = [math]::round($ld.size / 1GB, 2)    
        $free = [math]::round($ld.FreeSpace / 1GB, 2) 
        $pctFree = ($free / $size).ToString("P")

        #Get drive from logical disk
        $DriveLD = Get-CimInstance -classname win32_logicaldisk -Filter "Name='$drvltr'" -CimSession $s | 
        Get-CimAssociatedInstance -ResultClassName Win32_DiskPartition | 
        Get-CimAssociatedInstance -ResultClassName Win32_diskdrive

        $PNPDeviceID = $DriveLD.PNPDeviceID
        $predict = $FPS | Where-Object { $_.InstanceName -like "$PNPDeviceid*" } 
        $SupportsSMART = $driveld.Capabilities -contains 10

        #Get Read Errors and hours on from storage reliablity counters, by physical disk
        $SR = Get-PhysicalDisk -DeviceNumber $DriveLD.Index -CimSession $s | 
        Get-StorageReliabilityCounter -CimSession $s

        #Create an ordered hashtable, later converted to PSCustomObject
        $o = [ordered]@{
            Drive   = $drvltr
            Size_GB = $size       
            Free_GB = $free
            PctFree = $pctFree
            Model   = $DriveLD.Model
        }
            
        if ($null -ne $SR.PowerOnHours) {
            $o.Add('ReadErrorsTotal'     , $SR.ReadErrorsTotal)
            $o.Add('ReadErrorsCorrected' , $SR.ReadErrorsCorrected)
            $o.Add('PowerOnHours'        , $sr.PowerOnHours)
            $o.Add('PowerOnYears'        , [math]::Round(($sr.PowerOnHours / 24 / 365) , 2))
        }

        $o.Add('DeviceID', $DriveLD.DeviceID)
        $o.Add('Firmware', $DriveLD.FirmwareRevision)
        $o.Add('SN'      , [string]($DriveLD.SerialNumber).trim())
        $o.Add('SMART'   , $SupportsSMART)
    
        if ($SupportsSMART) {
            $WillFail = $predict.PredictFailure
            $o.Add('PredictFailure', $WillFail)
            if ($WillFail) { $o.Add('Reason', $predict.Reason) }
        }

        if ($Remarks -ne '') { $o.Add('Remarks', $Remarks) }

        #Convert Hashtable to PScustomObject
        [PSCustomObject]$o
    } ) | Out-GridView -wait -Title "Disk information $computer, selected items sent to clipboard" | set-clipboard