This SRC can be the result of a loss of utility power, battery back up or UPS power to the I/O storage unit. The unit and power supply that detected the problem are in the FRU list of the serviceable event. Before starting a repair action for this problem verify that utility power, BBU or UPS to the unit was not interrupted at the time the SRC was logged. If there was an interruption to power at about the same time then no service is required and this problem can be closed.