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Comparisons between Corrective, Preventive and Predictive IT Maintenance

Comparison Corrective, Preventive and Predictive Maintenance

Keeping the lights up for the IT team is a never ending job. With the advent cloud and Internet of Things, support and maintenance tasks and costs are impacting the companies’ workforce and budget.

Attempts to reduce these costs have led to the development of several maintenance strategies and solutions along time. There are three types of common IT maintenance practices, offered by IT Managed Service Provider (MSP):

  1. Corrective Maintenance implies that the IT equipment and devices are repaired after a failure has occurred. As long as an equipment is under a warranty agreement, the equipment owner does not usually pay for the repair though he can experience an unexpected malfunction.
  2. Preventive Maintenance requires performing periodic inspections and other operations at a schedule predetermined by the service provider mostly on the basis of time in service.
  3. Predictive Maintenance, which heavily rely on machine learning system and statistical model, can schedule an intervention based on some sensory information representing the current condition of the IT equipment, devices and its subsystems and a probabiliy of failure. This approach should, on one hand, minimize the risk of unexpected failures, which may occur before the next periodic maintenance operation, and on the other hand, reduce the amount of unnecessary preventive maintenance activities.

As when the business grows, the IT infrastructure and applications implementation gets into complex integration. The failure touch points are beyond IT team to comprehend.  Hence, this is where the predictive analytics come in with the capability to understand reliability of equipment’s at any point in time, to identify and isolate potential failures before they occur; to predict and plan for scheduled maintenance and downtime and to reduce unnecessary time-based maintenance operations is required.

This is the new era of IT support and maintenance – there will be a tremendous reduction of manpower to perform predictive maintenance in the future, except if there is a requirement of physical intervention. An alarming state for human brain and who is to blame?

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