I'm not privvy to the details of the suppliers/contracts etc.

I've just been asked to help to provide a method which will give an objective assessment of which applications should be stored on the SAN. There not being enough space for everything.

In practice this should mean that after we run though the assessment we should be able to give a point score for each appication. If say we make a cut off of 28 points and application A scores 32 it will go on the SAN, Application B with 22 will not.

We need to be able to carry out a calculation based on the effect the loss of each application will have on the affected departments, the time taken to restore functionality and the numbers of workers affected.

Any actual equations and working examples of these sorts of assessments would be usfull.