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Restore D-first Windows CI drive selection

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Revert the forced Dev Drive VHD experiment after CI showed the explicit VHD path was viable but slower than using the runner-provided D: drive on windows-latest.

Co-authored-by: Codex <noreply@openai.com>
This commit is contained in:
starr-openai
2026-05-08 17:05:01 -07:00
parent 23a1f690d4
commit 30c7168f99
1 changed files with 43 additions and 44 deletions
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87
.github/scripts/setup-dev-drive.ps1 vendored
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@@ -1,19 +1,14 @@
# Configure a Dev Drive for Windows CI jobs.
# Configure a fast drive for Windows CI jobs.
#
# Try to create a Dev Drive VHD explicitly so Windows temp-heavy paths can use a
# trusted ReFS Dev Drive. Fall back to the runner-provided D: drive, then C:, if
# the runner image does not allow that provisioning path.
# GitHub-hosted Windows runners do not always expose a secondary D: volume. When
# they do not, try to create a Dev Drive VHD and fall back to C: if the runner
# image does not allow that provisioning path.
function Select-FallbackDrive {
function Use-FallbackDrive {
param([string]$Reason)
if (Test-Path "D:\") {
Write-Warning "$Reason Falling back to existing drive at D:"
return "D:"
} else {
Write-Warning "$Reason Falling back to C:"
return "C:"
}
Write-Warning "$Reason Falling back to C:"
return "C:"
}
function Invoke-BestEffort {
@@ -26,40 +21,44 @@ function Invoke-BestEffort {
}
}
try {
$VhdPath = Join-Path $env:RUNNER_TEMP "codex-dev-drive.vhdx"
$SizeBytes = 64GB
if (Test-Path $VhdPath) {
Remove-Item -Path $VhdPath -Force
}
New-VHD -Path $VhdPath -SizeBytes $SizeBytes -Dynamic -ErrorAction Stop | Out-Null
$Mounted = Mount-VHD -Path $VhdPath -Passthru -ErrorAction Stop
$Disk = $Mounted | Get-Disk -ErrorAction Stop
$Disk | Initialize-Disk -PartitionStyle GPT -ErrorAction Stop
$Partition = $Disk | New-Partition -AssignDriveLetter -UseMaximumSize -ErrorAction Stop
$Volume = $Partition | Format-Volume -FileSystem ReFS -NewFileSystemLabel "CodexDevDrive" -DevDrive -Confirm:$false -Force -ErrorAction Stop
$Drive = "$($Volume.DriveLetter):"
Invoke-BestEffort { fsutil devdrv trust $Drive } "Trusting Dev Drive $Drive"
Invoke-BestEffort { fsutil devdrv enable /disallowAv } "Disabling AV filter attachment for Dev Drives"
if (Test-Path "D:\") {
Write-Output "Using existing drive at D:"
$Drive = "D:"
} else {
try {
Dismount-VHD -Path $VhdPath
Mount-VHD -Path $VhdPath | Out-Null
} catch {
Write-Warning "Remounting Dev Drive $Drive failed: $($_.Exception.Message)"
if (-not (Test-Path "$Drive\")) {
throw
}
}
Invoke-BestEffort { fsutil devdrv query $Drive } "Querying Dev Drive $Drive"
$VhdPath = Join-Path $env:RUNNER_TEMP "codex-dev-drive.vhdx"
$SizeBytes = 64GB
Write-Output "Using Dev Drive at $Drive"
} catch {
$Drive = Select-FallbackDrive "Failed to create Dev Drive: $($_.Exception.Message)"
Invoke-BestEffort { fsutil devdrv query $Drive } "Querying fallback drive $Drive"
if (Test-Path $VhdPath) {
Remove-Item -Path $VhdPath -Force
}
New-VHD -Path $VhdPath -SizeBytes $SizeBytes -Dynamic -ErrorAction Stop | Out-Null
$Mounted = Mount-VHD -Path $VhdPath -Passthru -ErrorAction Stop
$Disk = $Mounted | Get-Disk -ErrorAction Stop
$Disk | Initialize-Disk -PartitionStyle GPT -ErrorAction Stop
$Partition = $Disk | New-Partition -AssignDriveLetter -UseMaximumSize -ErrorAction Stop
$Volume = $Partition | Format-Volume -FileSystem ReFS -NewFileSystemLabel "CodexDevDrive" -DevDrive -Confirm:$false -Force -ErrorAction Stop
$Drive = "$($Volume.DriveLetter):"
Invoke-BestEffort { fsutil devdrv trust $Drive } "Trusting Dev Drive $Drive"
Invoke-BestEffort { fsutil devdrv enable /disallowAv } "Disabling AV filter attachment for Dev Drives"
try {
Dismount-VHD -Path $VhdPath
Mount-VHD -Path $VhdPath | Out-Null
} catch {
Write-Warning "Remounting Dev Drive $Drive failed: $($_.Exception.Message)"
if (-not (Test-Path "$Drive\")) {
throw
}
}
Invoke-BestEffort { fsutil devdrv query $Drive } "Querying Dev Drive $Drive"
Write-Output "Using Dev Drive at $Drive"
} catch {
$Drive = Use-FallbackDrive "Failed to create Dev Drive: $($_.Exception.Message)"
}
}
$Tmp = "$Drive\codex-tmp"