Hanarion commented on issue #12122:
URL: https://github.com/apache/cloudstack/issues/12122#issuecomment-3575056942
If we should not return it as a backup failure event if unmount fails, then
we need to catch the failure of unmount and neutralize it, and instead of `exit
1` when the fuser check times out, we need to `exit 0`, so, something like that
:
```bash
# Print statistics
virsh -c qemu:///system domjobinfo $VM --completed
du -sb $dest | cut -f1
elapsed=0
while fuser -m "$mount_point" >/dev/null 2>&1; do
if (( elapsed >= 10 )); then
echo "Timeout for unmounting reached: still busy"
exit 0
fi
sleep 1
elapsed=$((elapsed + 1))
done
# Attempt to unmount, ignore failure
if umount "$mount_point"; then
# Only remove directory if unmount succeeded
rmdir "$mount_point"
else
echo "Warning: failed to unmount $mount_point, skipping rmdir"
fi
```
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