3Collecting diagnostic log messages1. Save the diagnostic log messages from the diagnostic log file buffer to a diagnostic log file.By default, the diagnostic log file is saved in the diagfile directory of the Flash memory on eachmember device. diagnostic-logfile saveThe contents in the diagnostic log file buffer have been saved to the fileflash:/diagfile/diagfile.log2. Identify the diagnostic log file on each member device:# Display the diagnostic log file on the master device. dir flash:/diagfile/Directory of flash:/diagfile0 -rw- 161321 Jul 11 2013 16:16:00 diagfile.log524288 KB total (107944 KB free)# Display the diagnostic log file on each subordinate device: dir slot2#flash:/diagfile/ dir slot2#flash:/diagfile/Directory of slot2#flash:/diagfile0 -rw- 161321 Jul 11 2013 16:16:00 diagfile.log524288 KB total (107944 KB free)3. Transfer the files to the desired destination by using FTP, TFTP, or USB. (Details not shown.)Collecting operating statisticsYou can collect operating statistics by saving the statistics to a file or displaying the statistics on thescreen.When you collect operating statistics, follow these guidelines:• Log in to the device through a network port or management port (if any) instead of the console portas long as possible. Network and management ports are faster than the console port.• Do not execute commands during operating statistics collection.• To ensure information completeness, H3C recommends that you save the statistics to a file.NOTE:The amount of time to collect statistics increases along with the number of IRF member devices.To collect operating statistics:1. Disable pausing between screens of output if you want to display operating statistics on the screen.Skip this step if you are saving statistics to a file. screen-length disable2. Collect operating statistics for multiple feature modules. display diagnostic-information
