EX Series Switch Software Features Overview
Understanding Software Infrastructure and Processes
Understanding Alarm Types and Severity Levels on EX Series Switches
archive (All System Log Files)
console (System Logging)
explicit-priority
facility-override
file (System Logging)
files
host
log-prefix
match
size
structured-data
syslog
time-format
time-zone
user (System Logging)
world-readable
Monitoring System Log Messages
Checking Active Alarms with the J-Web Interface
Monitoring Chassis Alarms for an EX8200 Switch
show chassis alarms
http://kb.juniper.net/