1. Backup: why do it and how? Paulo Nuin, Dec 16th 2008 (Bio)Informatics Seminar Series

2. local/internal external on the “cloud”/third-party

3. costs money

4. saves money

5. internal/local an extra HDD tape drive CD-RW USB-key (larger size)

6. an extra HDD “cheapest” solution, fast most computers are set risk: moderate/high

7. tape drive inexpensive, slow requires special drives risk: moderate

8. CD-RW almost free, slow, laborious, inefficient, small already installed in most systems risk: high

9. USB-key expanding in size, but still small portable risk: low/moderate

10. external external HDD external computer fileserver

11. external hard disk relatively cheap, relatively fast home made or factory ready risk: moderate

14. external computer requires another system, fast (depends) not exactly expensive or cheap risk: moderate

15. fileserver expensive, fast, reliable did I mention it’s expensive? risk: low

16. on the “cloud”/third-party company provided community provided free solutions

17. company provided =paid Amazon S3 (simple storage service) charges storage, transfer, extremely reliable

19. community provided institution, department, etc usually free limited space?

20. free solutions limited space, usually slow did I mention free? can be upgraded or combined