Posted: Thu Dec 27, 2007 6:23 am Post subject: CMDB Implementation
In my previous lives I worked on two CMDB implementation teams - one successful. The successful team planned well and implemented the plan - the other team did not plan well and rushed into implementing before they knew what was needed... when you have the answers to the big questions you probably have an adequate plan.
Here are some tips:
List all the data sources you now have - use the Federated CMDB approach if you already have large databases that have much of the infrastructure info (CI components).... centralized if you don't have any other CI data sources...
List all the discovery tools you will be using plus if will you be doing physical inventories/audits. Make sure you know how you will verify and audit the accuracy of the CMDB, the logical model, to the physical infrastructure model.
Limit the scope of the CMDB to that which your Change Management Policy is concerned with (since the CMDB needs approved RFCs for updating) and make sure your Change and Release Policies align with the CMDB Policy. These three policies should support each other - list your standards and other related policies and make sure you have a good understanding of what they govern because all your policies should support your governance.
Make sure you have solid process flows and documentation of your process before you design your procedures, and work level instructions. If you don't have good understanding of Process Management then you need to acquire some basic understanding. Eugene Melan has both quick reference and indepth books on Process Management. You can find both at Abebooks.com and Abebooks has great prices.
Do you have a tool in mind? If ITIL is new for your organization then check out Service-Now www.service-now.com. They have an on-demand ITSM tool that is reasonable and has much in place already and it can be customized. It may save you lots of time and money.
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