Keep it simple, swift and routine. Don't wait for a crash to test your retrieval procedures. Test your back-ups regularly by restoring the data to a different drive. Make sure the data from your back-up may be restored in short order to keep the company running. Also think about compatibility of new machines and operating systems.
Information is the currency of the new economy.
So safeguard your information by having a coordinated back-up plan in place that is simple, reliable and restorable.