An information processing apparatus, includes a processor, and memory storing instructions for causing the processor to allocate a node in an information processing system including the information processing apparatus as an investigation node configured to perform an investigation of data stored in memory of a node of which an error is detected. The processor further instructs the investigation node to acquire data to be investigated from the node of which the error is detected, instructs the investigation node to perform an operation for determining whether a predetermined value in the acquired data is a normal value, and determines that a failure occurs in the node of which the error is detected when the predetermined value is not a normal value.