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Maintenance and Changeover Jake, James, Patrick

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Mindmap am Maintenance and Changeover Jake, James, Patrick, erstellt von OsamaBinSwaggins am 29/09/2014.
OsamaBinSwaggins
Mindmap von OsamaBinSwaggins, aktualisiert more than 1 year ago
OsamaBinSwaggins
Erstellt von OsamaBinSwaggins vor etwa 12 Jahre
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Zusammenfassung der Ressource

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