PowerShell/Scripts/check-smart-devices.ps1

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<#
.SYNOPSIS
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Checks SMART devices
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.DESCRIPTION
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This PowerShell script queries S.M.A.R.T. HDD/SSD device details and prints it.
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.EXAMPLE
PS> ./check-smart-devices
1TB Samsung SSD 970 EVO (via NVMe, 2388 hours, 289x on, v2B2QEXE7, 37°C, selftest passed)
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.LINK
https://github.com/fleschutz/PowerShell
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.NOTES
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Author: Markus Fleschutz | License: CC0
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#>
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function Bytes2String { param([int64]$Bytes)
if ($Bytes -lt 1000) { return "$Bytes bytes" }
$Bytes /= 1000
if ($Bytes -lt 1000) { return "$($Bytes)KB" }
$Bytes /= 1000
if ($Bytes -lt 1000) { return "$($Bytes)MB" }
$Bytes /= 1000
if ($Bytes -lt 1000) { return "$($Bytes)GB" }
$Bytes /= 1000
if ($Bytes -lt 1000) { return "$($Bytes)TB" }
$Bytes /= 1000
if ($Bytes -lt 1000) { return "$($Bytes)PB" }
$Bytes /= 1000
if ($Bytes -lt 1000) { return "$($Bytes)EB" }
}
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try {
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Write-Progress "⏳ Step 1/3 - Searching for smartctl executable..."
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$Result = (smartctl --version)
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if ($lastExitCode -ne "0") { throw "Can't execute 'smartctl' - make sure smartmontools are installed" }
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Write-Progress "⏳ Step 2/3 - Scanning S.M.A.R.T devices..."
if ($IsLinux) {
$Devices = $(sudo smartctl --scan-open)
} else {
$Devices = $(smartctl --scan-open)
}
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foreach($Device in $Devices) {
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Write-Progress "⏳ Step 3/3 - Querying S.M.A.R.T devices..."
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$Array = $Device.split(" ")
$Device = $Array[0]
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if ("$Device" -eq "#") {
continue
} elseif ($IsLinux) {
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$Details = (sudo smartctl --all --json $Device) | ConvertFrom-Json
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$null = (sudo smartctl --test=short $Device)
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} else {
$Details = (smartctl --all --json $Device) | ConvertFrom-Json
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$null = (smartctl --test=short $Device)
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}
$ModelName = $Details.model_name
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$Protocol = $Details.device.protocol
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[int64]$GBytes = $Details.user_capacity.bytes
if ($GBytes -gt 0) {
$Capacity = "$(Bytes2String $GBytes) "
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} else {
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$Capacity = ""
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}
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$Temp = $Details.temperature.current
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$Firmware = $Details.firmware_version
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$PowerOn = $Details.power_cycle_count
$Hours = $Details.power_on_time.hours
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if ($Details.smart_status.passed) { $Status = "passed" } else { $Status = "FAILED" }
"$($Capacity)$ModelName (via $Protocol, $Hours hours, $($PowerOn)x on, v$($Firmware), $($Temp)°C, selftest $Status)"
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}
exit 0 # success
} catch {
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"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
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exit 1
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}