Initial commit: combine nas_tool, nas_webdav, sync-utils

check_real_space.sh

@@ -0,0 +1,80 @@
+#!/bin/bash
+
+# Check Real Disk Space - Verify what's actually using space
+# Sometimes the snapshot is a ghost but space is actually available
+
+set -e
+
+echo "=== Real Disk Space Analysis ==="
+echo ""
+
+# Multiple methods to check space
+echo "Method 1: df command:"
+df -h / | tail -1
+echo ""
+
+echo "Method 2: diskutil info:"
+diskutil info / | grep -E "Volume (Free|Used|Total) Space" | sed 's/^/   /'
+echo ""
+
+# Check if snapshot actually exists
+echo "Method 3: APFS Snapshot Check:"
+APFS_TM_SNAPS=$(diskutil apfs listSnapshots / 2>/dev/null | grep -i "timemachine" || echo "None")
+if [ "$APFS_TM_SNAPS" = "None" ]; then
+    echo "   ✅ No Time Machine snapshot in APFS (ghost entry only)"
+else
+    echo "   ⚠️  Found: $APFS_TM_SNAPS"
+fi
+echo ""
+
+# Check Time Machine status
+echo "Method 4: Time Machine Status:"
+TM_RUNNING=$(tmutil status 2>/dev/null | grep "Running" | awk '{print $3}' | tr -d ';')
+if [ "$TM_RUNNING" = "1" ]; then
+    echo "   ⚠️  Time Machine is running (may be creating new snapshots)"
+else
+    echo "   ✅ Time Machine is not running"
+fi
+echo ""
+
+# Calculate actual space
+FREE_KB=$(df / | tail -1 | awk '{print $4}')
+FREE_GB=$(echo "scale=2; $FREE_KB / 1024 / 1024" | bc)
+
+echo "=== Summary ==="
+echo "   Current free space: ${FREE_GB}GB"
+echo ""
+
+if (( $(echo "$FREE_GB < 5" | bc -l) )); then
+    echo "⚠️  Still low on space. The ghost snapshot entry is not the issue."
+    echo ""
+    echo "The real issue: Your disk is actually full (or nearly full)."
+    echo ""
+    echo "The 20GB from deleted files may have been:"
+    echo "  1. Used by Time Machine creating a new snapshot"
+    echo "  2. Used by other processes/files"
+    echo "  3. Actually freed but macOS hasn't updated the count yet"
+    echo ""
+    echo "Solutions:"
+    echo ""
+    echo "1. **Restart your Mac** - This will:"
+    echo "   - Release any held snapshots"
+    echo "   - Update disk space accounting"
+    echo "   - Clear stuck processes"
+    echo ""
+    echo "2. Check what's really using space:"
+    echo "   du -h -d 1 ~ | sort -hr | head -20"
+    echo ""
+    echo "3. Clean up large files:"
+    echo "   - Downloads folder: $(du -sh ~/Downloads 2>/dev/null | awk '{print $1}')"
+    echo "   - Library/Caches: $(du -sh ~/Library/Caches 2>/dev/null | awk '{print $1}')"
+    echo ""
+    echo "4. The ghost snapshot entry is harmless - ignore it."
+    echo "   It will clear when Time Machine successfully backs up."
+else
+    echo "✅ You have ${FREE_GB}GB free - this should be enough!"
+    echo ""
+    echo "The ghost snapshot entry can be ignored - it's not using space."
+fi
+
+echo ""