Mean Time To Repair is the average length of time to restore operation.
2.
If Mean Time To Repair ( MTTR ) is 3 days, then the system will never work.
3.
MTBF consists of mean time to failure ( MTTF ) and mean time to repair ( MTTR ).
4.
Mean time to repair ( MTTR ) must be as short as possible to avoid system downtimes where a loss of revenue or lives is possible.
5.
In an engineering context with no explicit definition, the engineering figure of merit, mean time to repair would be the most probable intent by virtue of seniority of usage.
6.
As an example, one link might represent the connection between " mean time to repair a problem with telephone service " and " customer satisfaction ", where a short repair time would presumably raise customer satisfaction.
7.
However availability optimization approaches provide solutions only at selected points in time ( not all times ), using mean time to failure ( or fixed rate demand ) and mean time to repair as deterministic values as part of convex optimization.
8.
Usually, MDT is considered different from MTTR ( Mean Time To Repair ); in particular, MDT usually includes organizational and logistical factors ( such as business days or waiting for components to arrive ) while MTTR is usually understood as more narrow and more technical.
9.
According to Gartner, the growth of RBA has coincided with the need for IT operations executives to enhance IT operations efficiency measures including reducing mean time to repair ( MTTR ), increasing mean time between failures ( MTBF ), and automating the provisioning of IT resources.
10.
Logistics engineers work with complex mathematical models that consider elements such as mean time between failures ( MTBF ), mean time to failure ( MTTF ), mean time to repair ( MTTR ), failure mode and effects analysis ( FMEA ), statistical distributions, queueing theory, and a host of other considerations.
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