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1372316
Maintenance and Changeover Jake, James, Patrick
Description
Mind Map on Maintenance and Changeover Jake, James, Patrick, created by OsamaBinSwaggins on 29/09/2014.
Mind Map by
OsamaBinSwaggins
, updated more than 1 year ago
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Created by
OsamaBinSwaggins
almost 10 years ago
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Resource summary
Maintenance and Changeover Jake, James, Patrick
Maintenance
Stage 1
Corrective Maintenance
Errors will be found and corrected using corrective maintenance
Correct errors missed by testing
Fixes anything that should be running but isn't
Stage 2
Perfective Maintenance
Perfecting the system even though it's already satisfactory
Software is altered to improve performance
Stage 3
Adaptive Maintenance
The system may need to adapt to new changes within the organisation
Government Legislation changes
New better hardware becomes available
Changeover
Pilot
Advantages
Can be run in real phases so errors can be spotted
Staff can be trained on rolling program
Major fault will only affect one branch of the buisiness
Disadvantages
Major fault and the branch will be temporarily crippled
Organising rolling training could be dificult
Direct
Advantages
Allows for a quick change over to the new system
Disadvantages
Staff will need to be trained to use the whole program
If there is a fault
Phased
Advantages
Allows for some testing of the new system to be done
Staff training can be done in chunks
Parrallel
Advantages
Allows for the programs to be compared as they are run simultaneously
Safe option
Disadvantages
Expensive
Need to enter data twice
More storage and proccessing
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