WIP: Oracle DR CUMULATIVE backup upgrade - Phases 1-3 completed

COMPLETED:
- Phase 1: Proxmox host storage (/mnt/pve/oracle-backups/ROA/autobackup)
- Phase 2: RMAN script already has CUMULATIVE keyword
- Phase 3: Transfer scripts updated for Proxmox host
  * transfer_incremental.ps1: 10.0.20.37:22122 → 10.0.20.202:22
  * transfer_to_dr.ps1: Same change
  * Converted Windows PowerShell to Linux bash commands
- VM 109 cleanup: ~6.4 GB freed, RMAN catalog cleaned

NEW FILES:
- copy_existing_key_to_proxmox.ps1: Setup script for SSH key
- setup_ssh_keys_for_proxmox.ps1: Alternative setup (not used)

PENDING (Next Session):
- Run copy_existing_key_to_proxmox.ps1 on PRIMARY as Administrator
- Phase 4: Modify scheduled tasks (13:00 + 18:00)
- Phase 5: Configure mount point on VM 109 (F:\ drive)
- Phase 6: Update restore script for F:\ mount
- Phase 7: Test FULL + CUMULATIVE backup and restore

DOCUMENTATION:
- DR_UPGRADE_TO_CUMULATIVE_PLAN.md: Added implementation status

🤖 Generated with Claude Code
Co-Authored-By: Claude <noreply@anthropic.com>

oracle/standby-server-scripts/transfer_incremental.ps1

@@ -4,10 +4,10 @@
 
 param(
     [string]$SourceFRA = "C:\Users\Oracle\recovery_area\ROA",
-    [string]$DRHost = "10.0.20.37",
-    [int]$DRPort = 22122,
-    [string]$DRUser = "romfast",
-    [string]$DRPath = "D:/oracle/backups/primary",
+    [string]$DRHost = "10.0.20.202",
+    [int]$DRPort = 22,
+    [string]$DRUser = "root",
+    [string]$DRPath = "/mnt/pve/oracle-backups/ROA/autobackup",
     [string]$SSHKeyPath = "$env:USERPROFILE\.ssh\id_rsa",
     [string]$LogFile = "D:\rman_backup\logs\transfer_incr_$(Get-Date -Format 'yyyyMMdd_HHmm').log"
 )
@@ -83,8 +83,8 @@ try {
         $fileName = $file.Name
         $fileSizeMB = [math]::Round($file.Length / 1MB, 2)
 
-        # Check dacă fișierul există deja pe DR (skip duplicates) - Windows PowerShell command
-        $checkCmd = "powershell -Command `"Test-Path '$DRPath/$fileName'`""
+        # Check dacă fișierul există deja pe DR (skip duplicates) - Linux bash command
+        $checkCmd = "test -f '$DRPath/$fileName' && echo 'True' || echo 'False'"
         $checkResult = & ssh -n -p $DRPort -i $SSHKeyPath "${DRUser}@${DRHost}" $checkCmd 2>&1
 
         if ($checkResult -match "True") {