Mean Time To Recovery

(specification)(MTTR) The average time that a device willtake to recover from a non-terminal failure. Examples of suchdevices range from self-resetting fuses (where the MTTR wouldbe very short, probably seconds), up to whole systems whichhave to be replaced.

The MTTR would usually be part of a maintenance contract,where the user would pay more for a system whose MTTR was 24hours, than for one of, say, 7 days. This means the supplieris guaranteeing to have the system up and running again within24 hours (or 7 days) of being notified of the failure.

Some devices have a MTTR of zero, which means that they haveredundant components which can take over the instant theprimary one fails, see RAID for example.

See also Mean Time Between Failures.

单词	mean time to recovery
释义	Mean Time To Recovery Mean Time To Recovery (specification)(MTTR) The average time that a device willtake to recover from a non-terminal failure. Examples of suchdevices range from self-resetting fuses (where the MTTR wouldbe very short, probably seconds), up to whole systems whichhave to be replaced. The MTTR would usually be part of a maintenance contract,where the user would pay more for a system whose MTTR was 24hours, than for one of, say, 7 days. This means the supplieris guaranteeing to have the system up and running again within24 hours (or 7 days) of being notified of the failure. Some devices have a MTTR of zero, which means that they haveredundant components which can take over the instant theprimary one fails, see RAID for example. See also Mean Time Between Failures. AcronymsSeeMTTR
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