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Knowledge Base

S9300 device too much cfcard files lead the mian control board master and backup switching

Publication Date:  2019-07-20  |   Views:  181  |   Downloads:  0  |   Author:  c00222574  |   Document ID:  EKB1000017951

Contents

Issue Description

Some site S9300 did master and backup switching, the time is September 14.
Slot 4(Master) : uptime is 8 weeks, 2 days, 22 hours, 36 minutes                                                                                                                                    
Slot 5(Slave) : uptime is 1 week, 6 days, 19 hours, 47 minutes

Alarm Information

NULL

Handling Process


1. There is no manual master and backup switching writes in Log.
2. Main control slot 5 auto master and backup switching in log.
The reason is find deadloop
The MCU board[5]'s reset total 4, detailed information:                        
--  1. 2009/09/14   14:13:43, Reset No.: 4                                     
       Reason: VRP reset selfboard because of Unexpected State                 
--  2. 2009/09/14   14:10:52, Reset No.: 3                                     
       Reason: VRP reset selfboard because of find deadloop 
Infinite loop reason:
There were too much log files on No.5 board, more than 2800 files and no room for them. It will find a oldest file to delete at the moment, and it will find in the 2800 files by loop and that lead to the infinite loop.
2855  -rw-        168,668  Sep 14 2009 07:16:52  2009-09-14.07-16-41.diag.zip
2856  -rw-        154,189  Sep 14 2009 13:43:34  2009-09-14.13-43-25.diag.zip
2857  -rw-         12,861  Sep 14 2009 14:10:38  2009-09-14.14-10-21.diag.zip
500,192 KB total (152 KB free)
A great lot of files caused by board packing, it will input disabled parameters when SDK query interface that lead to output a great of diagnosis log.
S9300 V100R001SPH010 mend to solve the problem.
At the moment, it advise to use command for screening SDK modue diagnosis log.
Input follows in hide mode
info-center source SDK diag-channel _diagchannel10 diag-log level critical
delete the log files on master and backup board, remain 50 for suggestion.

Root Cause

1. Manual master and backup switching
2. Software problem cause switching

Suggestions

S9300 V100R001SPH010 mend to solve the problem.
At the moment, it advise to use command for screening SDK modue diagnosis log.
Input follows in hide mode
info-center source SDK diag-channel _diagchannel10 diag-log level critical
delete the log files on master and backup board, remain 50 for suggestion.