Update Oracle 18c/21c export scripts and documentation

- Increase LXC 108 memory from 4GB to 8GB + 2GB swap
- Add manual startup/shutdown instructions for Oracle containers
- Document CDB/PDB architecture and correct connection strings
- Fix export-roa2.sh: use XEPDB1 PDB for Oracle 18c, separate DMPDIR
- Fix export-roa2.ps1: dual DMPDIR paths, auto-start containers
- Add container/database status checks before export
- Add TNS entries with SERVICE_NAME=XEPDB1 (not SID=XE)
- Document DBMS_CUBE_EXP warnings as harmless

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

proxmox/lxc108-oracle/scripts/export-roa2.ps1

@@ -3,7 +3,8 @@
 
 $BackupDir = "E:\backups\oracle"
 $Proxmox = "root@10.0.20.201"
-$DmpDir = "/opt/oracle/oradata/dmpdir"
+$DmpDir21 = "/opt/oracle/oradata/dmpdir"    # Oracle 21c
+$DmpDir18 = "/opt/oracle18/oradata/dmpdir"  # Oracle 18c
 
 # Creează directorul backup dacă nu există
 if (!(Test-Path $BackupDir)) {
@@ -11,7 +12,16 @@ if (!(Test-Path $BackupDir)) {
 }
 
 function Get-RemoteArchives {
-    $result = ssh $Proxmox "pct exec 108 -- bash -c 'ls -lt $DmpDir/*.tar.gz 2>/dev/null'" 2>$null
+    param([string]$DmpDir = "")
+
+    # Dacă nu e specificat, caută în ambele directoare
+    if ([string]::IsNullOrEmpty($DmpDir)) {
+        $dirs = "$DmpDir18 $DmpDir21"
+    } else {
+        $dirs = $DmpDir
+    }
+
+    $result = ssh $Proxmox "pct exec 108 -- bash -c 'for d in $dirs; do ls -lt `$d/*.tar.gz 2>/dev/null; done'" 2>$null
     if ($result) {
         $archives = @()
         foreach ($line in $result) {
@@ -42,6 +52,25 @@ function Copy-Archive($archivePath) {
     Write-Host " Done" -ForegroundColor Green
 }
 
+function Start-OracleContainer {
+    param([string]$Container)
+
+    Write-Host "Pornesc containerul $Container..." -ForegroundColor Yellow
+    ssh $Proxmox "pct exec 108 -- docker start $Container"
+    Write-Host "Astept 60s pentru startup Oracle..." -ForegroundColor Yellow
+    Start-Sleep -Seconds 60
+
+    # Verifică dacă e pornit
+    $status = ssh $Proxmox "pct exec 108 -- docker ps --format '{{.Names}}' | grep $Container"
+    if ($status) {
+        Write-Host "Container $Container pornit cu succes!" -ForegroundColor Green
+        return $true
+    } else {
+        Write-Host "EROARE: Container $Container nu a pornit!" -ForegroundColor Red
+        return $false
+    }
+}
+
 function Run-Export {
     Write-Host "`nSelecteaza sursa Oracle:" -ForegroundColor Cyan
     Write-Host "  1. Oracle 18c (port 1522) - Compatibil 11g/18c/19c (Recomandat)"
@@ -49,8 +78,52 @@ function Run-Export {
 
     $srcChoice = Read-Host "Selecteaza sursa [1]"
     $oracleVer = switch ($srcChoice) {
-        '2' { '21' }
-        default { '18' }
+        '2' { '21'; $containerName = 'oracle-xe' }
+        default { '18'; $containerName = 'oracle18-xe' }
+    }
+
+    if ($oracleVer -eq '18') {
+        $containerName = 'oracle18-xe'
+        $currentDmpDir = $DmpDir18
+    } else {
+        $containerName = 'oracle-xe'
+        $currentDmpDir = $DmpDir21
+    }
+
+    # Verifică dacă LXC 108 rulează
+    Write-Host "`nVerific LXC 108..." -NoNewline
+    $lxcStatus = ssh $Proxmox "pct status 108" 2>$null
+    if ($lxcStatus -notmatch "running") {
+        Write-Host " OPRIT" -ForegroundColor Red
+        $start = Read-Host "Pornesc LXC 108? (D/n)"
+        if ($start -ne 'n') {
+            Write-Host "Pornesc LXC 108..." -ForegroundColor Yellow
+            ssh $Proxmox "pct start 108"
+            Start-Sleep -Seconds 10
+        } else {
+            Write-Host "Anulat." -ForegroundColor Gray
+            return
+        }
+    } else {
+        Write-Host " OK" -ForegroundColor Green
+    }
+
+    # Verifică dacă containerul Oracle rulează
+    Write-Host "Verific container $containerName..." -NoNewline
+    $containerStatus = ssh $Proxmox "pct exec 108 -- docker ps --format '{{.Names}}' | grep $containerName" 2>$null
+    if (-not $containerStatus) {
+        Write-Host " OPRIT" -ForegroundColor Red
+        $start = Read-Host "Pornesc $containerName? (D/n)"
+        if ($start -ne 'n') {
+            if (-not (Start-OracleContainer -Container $containerName)) {
+                return
+            }
+        } else {
+            Write-Host "Anulat." -ForegroundColor Gray
+            return
+        }
+    } else {
+        Write-Host " OK" -ForegroundColor Green
     }
 
     if ($oracleVer -eq '18') {
@@ -61,9 +134,9 @@ function Run-Export {
 
     ssh $Proxmox "pct exec 108 -- bash /opt/oracle/oradata/export-roa2.sh $oracleVer"
 
-    # Copiază cele mai noi 2 arhive
+    # Copiază cele mai noi 2 arhive din directorul corect
     Write-Host "`nCopying new archives..." -ForegroundColor Yellow
-    $archives = Get-RemoteArchives | Select-Object -First 2
+    $archives = Get-RemoteArchives -DmpDir $currentDmpDir | Select-Object -First 2
     foreach ($archive in $archives) {
         Copy-Archive $archive.Path
     }