Avaya CM Error Log

15.2.  Examine the logs 
Change directories to /var/log/ecs.  Run the ls –ltr command from the Linux shell or 
the CLI to see a list of all the log files in that directory. The files are named with the time 
stamp of when the logs began.  Use this information to determine which log contains 
information on the reset

# from logfiles get EIP address
[root@s8700 ecs]# cd /var/log/ecs
[root@s8700 ecs]# grep EIP 2006-07* to search by date

***FIND Log with word interchange***
grep "Interchange" 2011-08* | less

grep -i "FILESYNC" 2011-1114*.log|more

more  2019-0107-081018.log | grep interchange -B20

LOGC Logs to show lines before and after grep

logc -r | grep 20191231 | grep interchange -B 30 -A 30

dhelp logc to display logc help 

LOGC to view IP events

> logc -r --view ipevt -t 20191231:2000-20191231:2030 
logc --view ipevt -t 20170501:0830-20170505:1000

restartcauses <-- to view restart causes on linux CM.

logc -r --view ipevt | grep 4104176

grep -i "Interchange" 2020-1230-21*.log|more
2020-1230-215601.log:20201230:215638241:-1395161647:Arbiter(2677):MED:[HANDOFF->STANDBY:inter
change to healthier side]

more  2020-1230-215601.log | grep interchange -B30 -A30

======================================= messages log ===========================

/var/log/

grep  1228078 messages

grep -wc IPT_UNREG messages
2542

tac messages | IPEVT (to display message log in reverse order

/var/log
grep 1228078 *