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windows: Use dev drive instead of ReFS (#25858)
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Closes #ISSUE

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- N/A *or* Added/Fixed/Improved ...
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JunkuiZhang authored Mar 1, 2025
1 parent 42571e4 commit d115cb1
Showing 1 changed file with 14 additions and 4 deletions.
18 changes: 14 additions & 4 deletions script/setup-dev-driver.ps1
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# Configures a drive for testing in CI.
# todo(windows)
# The current version of the Windows runner is 10.0.20348 which does not support DevDrive option.
# Ref: https://learn.microsoft.com/en-us/windows/dev-drive/

# Currently, total CI requires almost 45GB of space, here we are creating a 100GB drive.
$Volume = New-VHD -Path C:/zed_dev_drive.vhdx -SizeBytes 100GB |
Mount-VHD -Passthru |
Initialize-Disk -Passthru |
New-Partition -AssignDriveLetter -UseMaximumSize |
Format-Volume -FileSystem ReFS -Confirm:$false -Force
Format-Volume -DevDrive -Confirm:$false -Force

$Drive = "$($Volume.DriveLetter):"

# Designate the Dev Drive as trusted
# See https://learn.microsoft.com/en-us/windows/dev-drive/#how-do-i-designate-a-dev-drive-as-trusted
fsutil devdrv trust $Drive

# There is no virus on the Dev Drive!
# Windows Defender is the wolf in antivirus wool, slowing your PC like a digital fool!
# See https://learn.microsoft.com/en-us/windows/dev-drive/#how-do-i-configure-additional-filters-on-dev-drive
fsutil devdrv enable /disallowAv

# Remount so the changes take effect
Dismount-VHD -Path C:/zed_dev_drive.vhdx
Mount-VHD -Path C:/zed_dev_drive.vhdx

# Show some debug information
Write-Output $Volume
Write-Output "Using Dev Drive at $Drive"
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