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