Verifying That the Replaced PCG Is Online ! 603
Chapter 45: Monitoring Redundant PCGs
Step 2: Display PCG Messages in the System Log File
Action To display the PCG error messages in the system log file to verify that a replaced
PCG is online, use the following CLI command:
user@host> show log messages | match PCG
Sample Output
user@host>
show log messages | match PCG
Aug 27 15:20:52 myrouter craftd[563]: Minor alarm cleared, PCG 0 Not Online
Aug 27 15:20:52 myrouter alarmd[562]: Alarm cleared: PCG color=YELLOW,
class=CHASSIS, reason=PCG 0 Not Online
What It Means The messages system log file records the time the failure or event occurred, the
severity level, a code, and a message description. You can also use the
show log messages | match pcg command to see error messages that are generated
when a PCG fails or is offline. Use this information to diagnose a problem and to let
the Juniper Networks Technical Assistance Center (JTAC) know what error messages
were generated and the router events that occurred before and after the problem.
For more information about system log messages, see the JUNOS System Log
Messages Reference.
Step 3: Display PCG Error Messages in the Chassis Daemon Log File
Action To display the PCG error messages in the chassis daemon (chassisd) log file and
verify that a replaced PCG is online, use the following CLI command:
user@host> show log chassisd | match PCG
Sample Output
user@host>
show log chassisd | match PCG
Aug 27 15:20:51 PCG 0 power verified on in 16 ms
Aug 27 15:20:52 reading PCG 0 initial state
Aug 27 15:20:52 CMB readback PCG 0 [0xe2, 0xff] -> 0xc
Aug 27 15:20:52 reading PCG 0 ideeprom
Aug 27 15:20:52 CMB cmd to PCG 0 [0xe2], Green LED On [0x1b]
Aug 27 15:20:52 PCG 0 - Green LED On
Aug 27 15:20:52 PCG 0 clear alarm 0x3
Aug 27 15:20:52 alarm op fru 1 op 0 reason 3
Aug 27 15:20:52 send: yellow alarm clear, class 100 obj 110 reason 3.
What It Means The chassisd database provides the date, time, and a component status message.
The
chassisd database is dynamic. It is initialized at router startup and is updated
when components are added or removed.
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