Dargslan.WinDedup.psm1
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function Get-DedupAudit { <# .SYNOPSIS Audit Data Deduplication volumes and savings .DESCRIPTION Windows Data Deduplication audit toolkit — volumes, savings ratios, jobs, schedules, and dedup optimization status Part of the Dargslan Windows Admin Toolkit — https://dargslan.com .PARAMETER Json Output results as JSON .EXAMPLE Get-DedupAudit .EXAMPLE Get-DedupAudit -Json .LINK https://dargslan.com .LINK https://www.powershellgallery.com/profiles/Dargslan #> [CmdletBinding()] param([switch]$Json) $report = [ordered]@{ Volumes = Get-DedupVolume -ErrorAction SilentlyContinue | Select-Object Volume, Enabled, SavingsRate, SavedSpace, OptimizedFilesCount, InPolicyFilesCount Status = Get-DedupStatus -ErrorAction SilentlyContinue | Select-Object Volume, OptimizedFilesCount, InPolicyFilesCount, SavingsRate, FreeSpace, UsedSpace Jobs = Get-DedupJob -ErrorAction SilentlyContinue | Select-Object Volume, Type, State, Progress Schedule = Get-DedupSchedule -ErrorAction SilentlyContinue | Select-Object Name, Type, Enabled, Days, Start, DurationHours Warnings = @() } $report.Volumes | Where-Object { $_.SavingsRate -lt 10 -and $_.Enabled } | ForEach-Object { $report.Warnings += "Volume $($_.Volume) has low savings: $($_.SavingsRate)%" } $report.Summary = [PSCustomObject]@{ EnabledVolumes = ($report.Volumes | Where-Object Enabled | Measure-Object).Count; ActiveJobs = ($report.Jobs | Measure-Object).Count; Schedules = ($report.Schedule | Measure-Object).Count } if ($Json) { return $report | ConvertTo-Json -Depth 3 } Write-Host "`n [Data Dedup Audit - 2026]" -ForegroundColor Cyan $report.Summary | Format-List if ($report.Volumes) { $report.Volumes | Format-Table -AutoSize } if ($report.Warnings) { $report.Warnings | ForEach-Object { Write-Host " Warning: $_" -ForegroundColor Yellow } } return $report } Export-ModuleMember -Function Get-DedupAudit |