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test disk speed on windows
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| # Test C: drive speed with DiskSpd (fixed arg passing) | |
| # --- Settings --- | |
| $diskspdUrl = "https://github.com/microsoft/diskspd/releases/download/v2.2/DiskSpd.ZIP" | |
| $diskspdExe = "$env:TEMP\diskspd.exe" | |
| $tempFile = "$env:TEMP\diskspd_testfile.dat" | |
| $outFile = "$env:TEMP\diskspd_results.txt" | |
| $fileSize = "1G" # test file size | |
| $duration = 30 # seconds | |
| $threads = 4 | |
| # --- Download DISKSPD if not found --- | |
| if (-not (Test-Path $diskspdExe)) { | |
| Write-Host "Downloading DISKSPD..." | |
| $zip = Join-Path $env:TEMP "diskspd.zip" | |
| Invoke-WebRequest -Uri $diskspdUrl -OutFile $zip | |
| Expand-Archive -Path $zip -DestinationPath $env:TEMP -Force | |
| Remove-Item $zip -Force | |
| # Find the right exe (prefer amd64/x64) | |
| $exeFound = Get-ChildItem -Path $env:TEMP -Filter "diskspd.exe" -Recurse | | |
| Sort-Object { if ($_.FullName -match 'amd64|x64') {0} else {1} } | | |
| Select-Object -First 1 | |
| if ($exeFound) { | |
| Copy-Item $exeFound.FullName $diskspdExe -Force | |
| } else { | |
| Write-Error "DISKSPD executable not found after extraction." | |
| exit 1 | |
| } | |
| } | |
| # --- Run Test --- | |
| Write-Host "Running DISKSPD test on C: drive..." | |
| # Build argument list explicitly so variables interpolate correctly | |
| $args = @( | |
| "-c$($fileSize)" | |
| "-d$($duration)" | |
| "-Sh" | |
| "-L" | |
| "-b64K" | |
| "-t$($threads)" | |
| "-o4" | |
| "-w50" | |
| $tempFile | |
| ) | |
| try { | |
| & $diskspdExe @args | Tee-Object -FilePath $outFile | |
| $code = $LASTEXITCODE | |
| } | |
| finally { | |
| if (Test-Path $tempFile) { Remove-Item $tempFile -Force } | |
| } | |
| Write-Host "`n=== DISKSPD Results ===" | |
| if (Test-Path $outFile) { | |
| Get-Content $outFile | |
| } else { | |
| Write-Warning "No results file was produced (DiskSpd likely failed before writing output)." | |
| } | |
| if ($code) { exit $code } else { exit 0 } |
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