Gan, Jimmy
108 lines
3.3 KiB
Bash
Executable File
108 lines
3.3 KiB
Bash
Executable File
#!/bin/bash
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# Fix Stuck Time Machine Snapshot
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# When snapshots can't be deleted due to "Stale NFS file handle" error
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set -e
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echo "=== Fix Stuck Time Machine Snapshot ==="
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echo ""
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echo "This script fixes the 'Stale NFS file handle' error that prevents"
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echo "snapshot deletion. This happens when Time Machine has a stale"
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echo "connection to the backup destination."
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echo ""
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# Check current situation
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echo "📊 Current Status:"
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FREE_SPACE=$(df / | tail -1 | awk '{print $4}')
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FREE_SPACE_GB=$(echo "scale=2; $FREE_SPACE / 1024 / 1024" | bc)
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echo " Free space: ${FREE_SPACE_GB}GB"
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echo ""
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SNAPSHOTS=$(tmutil listlocalsnapshots / 2>/dev/null | grep -v "Snapshots for disk" | grep -v "^$")
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if [ -n "$SNAPSHOTS" ]; then
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echo " Stuck snapshots found:"
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echo "$SNAPSHOTS" | sed 's/^/ - /'
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else
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echo " ✓ No snapshots found"
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exit 0
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fi
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echo ""
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echo "🔧 Solution: Temporarily remove Time Machine destination, delete snapshot, then re-add"
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echo ""
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echo "⚠️ IMPORTANT: This will temporarily disconnect Time Machine from your NAS."
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echo " You'll need to re-add it after the snapshot is deleted."
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echo ""
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read -p "Do you want to proceed? (y/n) " -n 1 -r
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echo ""
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if [[ ! $REPLY =~ ^[Yy]$ ]]; then
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echo "Cancelled."
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exit 0
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fi
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echo ""
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echo "Step 1: Removing Time Machine destination..."
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echo ""
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echo " Please do this manually:"
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echo " 1. Open System Settings → General → Time Machine"
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echo " 2. Click the 'Remove' or '-' button next to your backup disk"
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echo " 3. Confirm removal"
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echo ""
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read -p " Have you removed the Time Machine destination? (y/n) " -n 1 -r
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echo ""
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if [[ ! $REPLY =~ ^[Yy]$ ]]; then
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echo " Please remove it first, then run this script again."
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exit 1
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fi
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echo ""
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echo "Step 2: Waiting for Time Machine to disconnect..."
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sleep 5
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echo ""
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echo "Step 3: Attempting to delete stuck snapshot..."
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echo "$SNAPSHOTS" | while read snapshot; do
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if [ -n "$snapshot" ]; then
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# Extract date part
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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 [ -n "$SNAP_DATE" ]; then
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echo " Deleting: $snapshot"
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if sudo tmutil deletelocalsnapshots "$SNAP_DATE" 2>/dev/null; then
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echo " ✅ Successfully deleted!"
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else
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echo " ⚠️ Still stuck. Try restarting your Mac."
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echo " After restart, run: sudo tmutil deletelocalsnapshots $SNAP_DATE"
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fi
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fi
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fi
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done
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echo ""
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echo "Step 4: Checking disk space..."
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sleep 3
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NEW_FREE_SPACE=$(df / | tail -1 | awk '{print $4}')
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NEW_FREE_SPACE_GB=$(echo "scale=2; $NEW_FREE_SPACE / 1024 / 1024" | bc)
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FREED_GB=$(echo "scale=2; $NEW_FREE_SPACE_GB - $FREE_SPACE_GB" | bc)
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echo " New free space: ${NEW_FREE_SPACE_GB}GB"
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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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else
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echo " ⚠️ Space not freed yet - may need restart"
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fi
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echo ""
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echo "Step 5: Re-adding Time Machine destination..."
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echo ""
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echo " Now re-add your Time Machine backup:"
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echo " 1. System Settings → General → Time Machine"
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echo " 2. Click 'Add Backup Disk...'"
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echo " 3. Select 'Time Machine Folder' on 'DS224plus.local'"
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echo " 4. Enter your credentials"
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echo ""
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echo " Or use the troubleshooting guide:"
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echo " See: time_machine_troubleshooting.md"
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echo ""
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