What is the FAST_START_MTTR_TARGET initialization parameter?

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What is the FAST_START_MTTR_TARGET initialization parameter?

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The FAST_START_MTTR_TARGET initialization parameter is used to specify the amount of time (in seconds) a database should take to perform a crash or instance recovery. The value set for the FAST_START_MTTR_TARGET initialization parameter is internally converted to a set of parameters that modify the operation of Oracle in such a way that recovery time is as close to this estimate as possible.

The FAST_START_IO_TARGET, LOG_CHECKPOINT_INTERVAL, and LOG_CHECKPOINT_TIMEOUT initialization parameters should not be used when using the FAST_START_MTTR_TARGET initialization parameter. Setting these parameters to active values obstructs the normal functioning of the FAST_START_MTTR_TARGET initialization parameter, resulting in unexpected results.

The maximum value that can be set for the FAST_START_MTTR_TARGET initialization parameter is 3600. If a value greater than 3600 is set, Oracle automatically rounds it to 3600.


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