QuestionQ117

Identify and Resolve LTM Device Issues

Given the following LTM device ltm log:

Sep 26 20:51:08 local/lb-d-1 notice promptstatusd[3695]: 01460006:5: semaphore mcpd.running(1) held  
Sep 26 20:51:08 local/lb-d-1 notice promptstatusd[3695]: 01460006:5:  
Sep 26 20:51:08 local/lb-d-1 warning promptstatusd[3695]: 01460005:4: mcpd.running(1) held, wait for mcpd  
Sep 26 20:51:08 local/lb-d-1 info sod[3925]: 010c0009:6: Lost connection to mcpd - reestablishing.  
Sep 26 20:51:08 local/lb-d-1 err bcm56xxd[3847]: 012c0004:3: Lost connection with MCP: 16908291 ... Exiting bsx_connect.cpp(174)  
Sep 26 20:51:08 local/lb-d-1 info bcm56xxd[3847]: 012c0012:6: MCP Exit Status  
Sep 26 20:51:08 local/lb-d-1 info bcm56xxd[3847]: 012c0012:6: Info: LACP stats (time now:1348717868) : no traffic  
Sep 26 20:51:08 local/lb-d-1 info bcm56xxd[3847]: 012c0014:6: Exiting...  
Sep 26 20:51:08 local/lb-d-1 err lind[3842]: 013c0004:3: IO error on recv from mcpd - connection lost  
Sep 26 20:51:08 local/lb-d-1 notice bigd[3837]: 01060110:5: Lost connection to mcpd with error 16908291, will reinit connection.  
Sep 26 20:51:08 local/lb-d-1 err statsd[3857]: 011b0004:3: Initial subscription for system configuration failed with error ''  
Sep 26 20:51:08 local/lb-d-1 err statsd[3857]: 011b0001:3: Connection to mcpd failed with error '011b0004:3: Initial subscription for system configuration failed with error '''  
Sep 26 20:51:08 local/lb-d-1 err csyncd[3851]: 013b0004:3: IO error on recv from mcpd - connection lost  
.............skipping more logs.....  
Sep 26 20:51:30 local/lb-d-1 notice sod[3925]: 01140030:5: HA proc_running bcm56xxd is now responding.  
Sep 26 20:51:34 local/lb-d-1 notice sod[3925]: 01140030:5: HA proc_running mcpd is now responding.  
Sep 26 20:51:34 local/lb-d-1 notice sod[3925]: 010c0018:5: Standby  

Which daemon has failed?

  • A promptstatusd
  • B mcpd
  • C sod
  • D bcm56xxd
  • E lind
Explanation

mcpd is the failed daemon. Several services report lost connections to mcpd, and the later status message that mcpd is “now responding” indicates that it had stopped responding and subsequently recovered.

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