HP StorageWorks P2000 HP StorageWorks P2000 G3 MSA System Event Description Re - Page 29

300 Informational CPU frequency has changed to high. Recommended actions • No action required. 301 Informational CPU frequency has changed to low. Recommended actions • No action required. 302 Informational DDR memory clock frequency has changed to high. Recommended actions • No action required. 303 Informational DDR memory clock frequency has changed to low. Recommended actions • No action required. 304 Informational The controller has detected I2C errors that may have been fully recovered. This event is logged as Informational to note an existence of previous I2C errors. Recommended actions • No action required. 305 Informational A serial number in Storage Controller (SC) flash memory is invalid. The valid serial number will be recovered automatically. Recommended actions • No action required. 306 Informational An old serial number in Storage Controller (SC) flash memory has been updated to a new serial number. Recommended actions • No action required. 307 Critical A temperature sensor on a controller FRU detected an over-temperature condition that caused the controller to shut down. Recommended actions • Check that the storage system's fans are running. • Check that the ambient temperature is not too warm. The enclosure operating range is 41-104° F (5-40° C). • Check for any obstructions to the airflow. • If none of the above explanations apply, replace the controller FRU that reported the error. 308 Informational The default host port speed has changed from 4 Gbit/sec to 2 Gbit/sec because the controller module's HIM has a Broadcom PBC. Recommended actions • No action required. HP StorageWorks P2000 G3 MSA System Event Descriptions Reference Guide 29