38 lines
1.2 KiB
PowerShell
38 lines
1.2 KiB
PowerShell
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$Server = ".\KEYVI"
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$Database = "DB_Keyvi"
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$BackupRoot = "D:\SQLBackup\DB_Keyvi"
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$RetentionDays = 365
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$now = Get-Date
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$year = $now.ToString("yyyy")
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$month = $now.ToString("MM")
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# Zielordner: D:\SQLBackup\DB_Keyvi\YYYY\MM\
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$BackupDir = Join-Path (Join-Path $BackupRoot $year) $month
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New-Item -ItemType Directory -Path $BackupDir -Force | Out-Null
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# Dateiname: DB_Keyvi_yyyyMMdd_HHmmss.bak
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$timestamp = $now.ToString("yyyyMMdd_HHmmss")
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$BackupFile = Join-Path $BackupDir ("{0}_{1}.bak" -f $Database, $timestamp)
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# Backup
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$sql = "BACKUP DATABASE [$Database] TO DISK = N'$BackupFile' WITH CHECKSUM, STATS = 10;"
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sqlcmd -S $Server -E -C -Q $sql
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if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
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# Alte Backups löschen
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$cutoff = (Get-Date).AddDays(-$RetentionDays)
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Get-ChildItem -Path $BackupRoot -Recurse -File -Filter "*.bak" |
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Where-Object { $_.LastWriteTime -lt $cutoff } |
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Remove-Item -Force
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# Leere Ordner löschen (von unten nach oben)
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Get-ChildItem -Path $BackupRoot -Recurse -Directory |
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Sort-Object FullName -Descending |
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ForEach-Object {
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if (-not (Get-ChildItem -Path $_.FullName -Force | Select-Object -First 1)) {
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Remove-Item -Path $_.FullName -Force
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}
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}
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exit 0
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