Gan, Jimmy
82 lines
2.6 KiB
Bash
Executable File
82 lines
2.6 KiB
Bash
Executable File
#!/bin/bash
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# Delete Local Snapshot to Free Space
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# Since files are on NAS, it's safe to remove the snapshot
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set -e
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echo "=== Delete Local Snapshot to Free Space ==="
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echo ""
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echo "Since your files are safely backed up on NAS, we can delete"
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echo "the local snapshot to free up space."
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echo ""
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FREE_SPACE_BEFORE=$(df / | tail -1 | awk '{print $4}')
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FREE_SPACE_GB_BEFORE=$(echo "scale=2; $FREE_SPACE_BEFORE / 1024 / 1024" | bc)
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echo "Current free space: ${FREE_SPACE_GB_BEFORE}GB"
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echo ""
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# Check snapshot
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SNAPSHOT=$(tmutil listlocalsnapshots / 2>/dev/null | grep -v "Snapshots for disk" | grep -v "^$" | head -1)
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if [ -z "$SNAPSHOT" ]; then
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echo "✅ No snapshot found - you're all set!"
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exit 0
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fi
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echo "Found snapshot: $SNAPSHOT"
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echo ""
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# Extract date
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SNAP_DATE=$(echo "$SNAPSHOT" | sed 's/.*\.\([0-9]\{4\}-[0-9]\{2\}-[0-9]\{2\}-[0-9]\{6\}\)\.backup/\1/')
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if [ -z "$SNAP_DATE" ]; then
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echo "⚠️ Could not parse snapshot date"
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exit 1
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fi
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echo "Attempting to delete snapshot: $SNAP_DATE"
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echo ""
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# Try to delete
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if sudo tmutil deletelocalsnapshots "$SNAP_DATE" 2>/dev/null; then
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echo "✅ Successfully deleted snapshot!"
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echo ""
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echo "⏳ Waiting for space to be released..."
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sleep 5
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FREE_SPACE_AFTER=$(df / | tail -1 | awk '{print $4}')
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FREE_SPACE_GB_AFTER=$(echo "scale=2; $FREE_SPACE_AFTER / 1024 / 1024" | bc)
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FREED_GB=$(echo "scale=2; $FREE_SPACE_GB_AFTER - $FREE_SPACE_GB_BEFORE" | bc)
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echo ""
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echo "=== Results ==="
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echo " Before: ${FREE_SPACE_GB_BEFORE}GB free"
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echo " After: ${FREE_SPACE_GB_AFTER}GB free"
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if (( $(echo "$FREED_GB > 0" | bc -l) )); then
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echo " ✅ Freed: ${FREED_GB}GB"
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fi
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else
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echo "⚠️ Could not delete snapshot (Stale NFS file handle error)"
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echo ""
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echo "This is a known issue. The snapshot is stuck because:"
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echo " - Time Machine had a stale connection to NAS"
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echo " - The snapshot reference is corrupted"
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echo ""
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echo "=== Solutions ==="
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echo ""
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echo "Option 1: Restart your Mac (Recommended)"
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echo " This will release the stuck snapshot and free the space."
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echo " After restart, the snapshot should be gone."
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echo ""
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echo "Option 2: Wait for macOS to auto-clean"
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echo " macOS will eventually clean up stuck snapshots, but this"
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echo " can take hours or days."
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echo ""
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echo "The good news: The snapshot is a GHOST ENTRY (not in APFS)."
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echo "This means the space may already be available - the entry"
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echo "is just a stale database record that will clear on restart."
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echo ""
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fi
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echo ""
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