Initial commit: Add interactive Borg vault and QCOW2 mounting scripts

umount_backup.sh

@@ -0,0 +1,44 @@
+#!/bin/bash
+
+# Script to unmount QCOW2 disk image and Borg backup vault
+# Created: 2025-10-07
+
+BORG_MOUNT="/mnt/restore"
+QCOW2_MOUNT="/mnt/qcow2"
+
+echo "=== Unmounting Backup System ==="
+
+# Unmount QCOW2 filesystem
+if mountpoint -q "$QCOW2_MOUNT"; then
+    echo "Unmounting $QCOW2_MOUNT..."
+    umount "$QCOW2_MOUNT"
+    echo "✓ QCOW2 filesystem unmounted"
+else
+    echo "ℹ $QCOW2_MOUNT is not mounted"
+fi
+
+# Deactivate LVM volume group
+if vgs vgdata &>/dev/null; then
+    echo "Deactivating LVM volume group..."
+    vgchange -an vgdata 2>/dev/null || true
+    echo "✓ LVM volume group deactivated"
+fi
+
+# Disconnect NBD device
+if [ -b /dev/nbd0 ]; then
+    echo "Disconnecting NBD device..."
+    qemu-nbd --disconnect /dev/nbd0
+    echo "✓ NBD device disconnected"
+fi
+
+# Unmount Borg vault
+if mountpoint -q "$BORG_MOUNT"; then
+    echo "Unmounting Borg vault..."
+    borg umount "$BORG_MOUNT"
+    echo "✓ Borg vault unmounted"
+else
+    echo "ℹ Borg vault is not mounted"
+fi
+
+echo ""
+echo "Done! All backups unmounted."