Initial commit: combine nas_tool, nas_webdav, sync-utils

find_real_space_usage.sh

@@ -0,0 +1,78 @@
+#!/bin/bash
+
+# Find Real Space Usage
+# The snapshot is a ghost - find what's actually using space
+
+set -e
+
+echo "=== Find Real Space Usage ==="
+echo ""
+echo "Your container is 99.8% full (493.4GB used, 995MB free)"
+echo "The snapshot is a ghost entry (0GB)."
+echo "Let's find what's ACTUALLY using the space..."
+echo ""
+
+echo "📊 Container Breakdown:"
+echo "   Container Total: 494.4GB"
+echo "   Container Used: 493.4GB (99.8%)"
+echo "   Container Free: 995MB"
+echo ""
+
+echo "🔍 Large Directories in /System/Volumes/Data:"
+sudo du -h -d 1 /System/Volumes/Data 2>/dev/null | sort -hr | head -10 | awk '{printf "   %8s  %s\n", $1, $2}'
+echo ""
+
+# Check the suspicious Volumes directory
+VOLUMES_SIZE=$(sudo du -sh /System/Volumes/Data/Volumes 2>/dev/null | awk '{print $1}')
+echo "⚠️  CRITICAL FINDING:"
+echo "   /System/Volumes/Data/Volumes: $VOLUMES_SIZE"
+echo ""
+echo "   This directory is HUGE and likely contains:"
+echo "   - Old Time Machine backup volumes"
+echo "   - Mounted disk images"
+echo "   - Stale mount points"
+echo ""
+
+echo "🔍 Checking what's in /System/Volumes/Data/Volumes:"
+ls -la /System/Volumes/Data/Volumes/ 2>/dev/null | head -20 | sed 's/^/   /'
+echo ""
+
+# Check for old backup volumes
+echo "📦 Checking for old Time Machine backup volumes:"
+BACKUP_VOLS=$(ls -d "/System/Volumes/Data/Volumes/Backups of"* 2>/dev/null || echo "")
+if [ -n "$BACKUP_VOLS" ]; then
+    echo "   Found old backup volumes:"
+    echo "$BACKUP_VOLS" | while read vol; do
+        SIZE=$(sudo du -sh "$vol" 2>/dev/null | awk '{print $1}')
+        echo "     - $vol ($SIZE)"
+    done
+    echo ""
+    echo "   ⚠️  These are likely old Time Machine backups taking up space!"
+else
+    echo "   No obvious backup volumes found"
+fi
+echo ""
+
+# Check home directory
+echo "📁 Your Home Directory:"
+du -h -d 1 ~ 2>/dev/null | sort -hr | head -10 | awk '{printf "   %8s  %s\n", $1, $2}'
+echo ""
+
+# Summary
+echo "=== Summary ==="
+echo ""
+echo "The snapshot is NOT the problem (it's a ghost, 0GB)."
+echo ""
+echo "The REAL problem:"
+echo "   - Container is 99.8% full"
+echo "   - /System/Volumes/Data/Volumes is $VOLUMES_SIZE (likely old backups)"
+echo "   - Your home: 130GB"
+echo ""
+echo "To free space, you need to:"
+echo "   1. Check what's in /System/Volumes/Data/Volumes"
+echo "   2. Remove old backup volumes if found"
+echo "   3. Clean up your home directory:"
+echo "      - Downloads: 8.7GB"
+echo "      - Documents: 40GB"
+echo "      - Library: 33GB"
+echo ""