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The Myths of Data Migration Ian Murray Aurora Business Consultancy Ltd Web: Phone: +44 (0) 7720.

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Presentation on theme: "The Myths of Data Migration Ian Murray Aurora Business Consultancy Ltd Web: Phone: +44 (0) 7720."— Presentation transcript:

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2 The Myths of Data Migration Ian Murray Aurora Business Consultancy Ltd Web: Phone: +44 (0) 7720

3 MONSTERS

4 A data migration devouring a company, last weekSaturn eating his children, by Goya, 1819

5 Turns normally intelligent people into zombies Circe

6 I reckon it’ll take just a couple of …. It’s a job for the techies We can’t spare any time from our best people Circe’s Myths We won’t need our IT people – the vendors should handle it

7 Petrifies your projects Medusa

8 Don’t waste time on analysis Don’t worry about the business requirements We’ll worry about testing later Medusa’s Myths Just get on with the mapping, you silly data migration person!

9 Makes you lose the will to live Hydra

10 It won’t take that long to transfer our records We’ll worry about the data later We can sort out the data problems once we’ve gone live We won’t need to do much testing Hydra’s Myths

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12 MYTH BUSTERS

13 Involve your key players before the beginning – buy-in is vital. Explain why they are important (they are!), and why data matters Keep involving them and keep them informed. Ignore the data players and they’ll gnaw you Free up enough of their time – the contribution of your best people, and your business people, is vital Give them status – data is not a backwater Start at the start, from the start – on analysis, requirements, scoping, team building, test planning Everybody Regardless of the roles they play in the overall software project, their roles in the data migration need to be ring-fenced and handled separately

14 Role: Users, Business Domain Experts Diana, goddess of the hunt e.g. Operations staff

15 Get extra staff at the start of the project Make certain the Users are thoroughly trained in good time Keep the Users motivated The Users & BDEs Don’t rely on your Business Domain Experts’ views alone – get the other stakeholders’ views on the data as well

16 Data Owners Neptune, god of the sea e.g. Departmental Managers

17 Try to identify at the start all the data sources that need migrating The Data Owners

18 Try to identify at the start all the data sources that need migrating Analyse the data sources that are not being migrated, both upstream, and most importantly, downstream The Data Owners Clean the data that you must, for the target system, or for Compliance – but leave the rest until later Avoid cleaning data during the transfer process itself – do it beforehand if you can

19 Athena, goddess of wisdom Technicianse.g. Programmers

20 Give them status and treat them right The Technicians Don’t let your developers reinvent the wheel Don’t expect miracles, no matter how good early prototypes look Don’t just accept the first estimate Get entity relationship diagrams for your technicians

21 Give them status and treat them right The Technicians Don’t let your developers reinvent the wheel Don’t expect miracles, no matter how good early prototypes look Don’t just accept the first estimate Get entity relationship diagrams for your technicians Audit, log, preserve Demand configurability, and a checklist for configuring it Don’t use your least skilled, least experienced or least able staff

22 Champion Hercules, hero of the gods e.g. Operations Manager

23 The Champion He should work closely with your data migration Specialist More than anyone else, the Champion is the person you need to free up as much as possible He should not be working on other projects He should not do other people’s jobs for them

24 Sponsor Jupiter, leader of the gods e.g. CEO

25 He needs to free up some of the time of some of his best people He needs to authorise overtime and the early hiring or cross- posting of extra staff He needs to understand that data is not the same as software He needs to understand that skimping on the data project, or leaving it until last, can lead to disaster The Sponsor He needs to give status to the data migration project If he’s forced to set a crazy deadline, he needs to make sure everybody understands that he understands the consequences

26 e.g DM Consultant Mercury, messenger of the gods DM Specialist

27 Understands that data migration is about business Understands that data migration is about people Keeps everybody informed and included, and facilitates their involvement Understands both the business and the technical issues, and can represent business and technical people to each other The DM Specialist Pre-empts problems – because he’s seen them before Co-ordinates all parties

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29 MYTH BUSTERS Data Users Data Owners Technicians Champion Sponsor DM Specialist

30 Photo acknowledgements: Slides 3,4,5,6,13 (Diana),21 (Hercules) / Wikimedia Commons Slides 8,21 Lernean Hydra Vase - Photograph © Wolfgang Sauber / Wikimedia Commons Licenced under the Creative Commons Attribution-Share Alike 3.0 unported licence Slide 13Actaeon Vase - Photograph © Marie-Lan Nguyen / Wikimedia Commons Slide 15 Poseidon/Neptune statue – Photograph © Hans Andersen / Wikimedia Commons Licenced under the Creative Commons Attribution-Share Alike 3.0 licence Slide 18 Athena Statue – Photograph © Marsyas / Wikimedia Commons Licenced under the Creative Commons Attribution-Share Alike 3.0 licence Slide 25 Mercury Vase – Photograph © David Liam Moran / Wikimedia Commons Licenced under the Creative Commons Attribution-Share Alike 3.0 licence © Ian Murray, 2010


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