Mean Time To Repair (MTTR) is a measurement of service availability that measures the average time it takes to repair a computer or network issue. The concept extends to physical component failures as well as software or program failures. This evaluation helps to determine the amount of availability that should be expected when these issues arise, and can also be used to determine how much redundancy is necessary for a particular system.
Mean Time To Repair (MTTR) is calculated by taking the total number of repairable issues and dividing that number by the total time it takes to fix them. This is usually done over a set period of time, such as a month or a fiscal quarter. The result allows businesses to determine the average repair time needed, and plan accordingly in their systems architecture and operations.
In many cases, the MTTR can be improved by making sure the underlying cause of a problem is addressed. This can be done by making sure there are regular updates to software and hardware components, as well as creating a well-documented best practices methodology for deploying any needed repairs. Additionally, if routine maintenance tasks are being performed on a regular basis, then further complications can be avoided.
The MTTR can also help determine the amount of redundancy necessary to keep a system running at all times. For instance, if the MTTR of a system is high, it may indicate that extra redundancy is needed to minimize downtime. This can come in the form of extra hardware, replicated servers, and other means.
Overall, the MTTR is an important metric for ensuring adequate service availability and planning for system redundancy. It is important to recognize that the MTTR can be improved by setting up proper maintenance schedules, as well as by implementing appropriate best practice procedures for deploying repairs. By making sure these issues have been addressed, companies can ensure that service outages are minimized, and that their systems are running as efficiently as possible.
