HP StorageWorks 8/24 Brocade Fabric OS Troubleshooting and Diagnostics Guide v - Page 27
Switch boot issues, FC-FC Routing connectivity, Generate and route an ECHO
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Switch boot issues 2 Symptom I2C bus errors are appearing in the switch log. Probable cause and recommended action I2C bus errors generally indicate defective hardware or poorly seated devices or blades; the specific item is listed in the error message. See the Fabric OS Message Reference for information specific to the error that was received. Some Chip-Port (CPT) and Environmental Monitor (EM) messages contain I2C-related information. If the I2C message does not indicate the specific hardware that may be failing, begin debugging the hardware, as this is the most likely cause. The next sections provide procedures for debugging the hardware. Symptom Core file or FFDC warning messages appear on the serial console or in the system log. Probable cause and recommended action Issue the supportSave command. The messages can be dismissed by issuing the supportSave -R command after all data is confirmed to be collected properly. Error example: *** CORE FILES WARNING (10/22/08 - 05:00:01 ) *** 3416 KBytes in 1 file(s) use "supportsave" command to upload Switch boot issues Symptom The enterprise-class platform model rebooted again after an initial bootup. Probable cause and recommended action This issue can occur during an enterprise-class platform boot up with two CPs. If any failure occurs on active CP, before the standby CP is fully functional and has obtained HA sync, the Standby CP may not be able to take on the active role to perform failover successfully. In this case, both CPs will reboot to recover from the failure. FC-FC Routing connectivity This section describes tools you can use to troubleshoot Fibre Channel routing connectivity and performance. Generate and route an ECHO The FC-FC Routing Service enables you to route the ECHO generated when an fcPing command is issued on a switch, providing fcPing capability between two devices in different fabrics across the FC router. Fabric OS Troubleshoot and Diagnostics Guide 13 53-1001340-01