What does "The last device change happened at :" type message mean?

Asset ID:	1-72-1940152.1
Update Date:	2014-11-03
Keywords:

Solution Type Problem Resolution Sure

Solution 1940152.1 : What does "The last device change happened at :" type message mean?

Applies to:

Brocade 5100 Switch - Version All Versions to All Versions [Release All Releases]
Brocade SAN Switch Hardware - Version All Versions to All Versions [Release All Releases]
Information in this document applies to any platform.

Symptoms

Seeing following type messages in errdump output:

2014/10/06-20:36:21, [SNMP-1008], 4328, FID 128, INFO, switch01, The last device change happened at : Mon Oct 6 20:36:14 2014

No information is given regarding what device changed or how it changed.

Cause

The Fabric OS is logging it noticed something changed on a device.

But if Fabric Watch is not installed/licensed (see below) no further detailed are provided.

switchstatusshow        :
CURRENT CONTEXT -- 0 , 128
Switch Health Report                        Report time: 10/21/2014 03:57:21 PM
Switch Name:      switch01
IP address: 172.19.36.231
SwitchState:      HEALTHY
Duration:   31224:33

Power supplies monitor HEALTHY
Temperatures monitor    HEALTHY
Fans monitor            HEALTHY
Flash monitor           HEALTHY
Marginal ports monitor HEALTHY
Faulty ports monitor    HEALTHY
Missing SFPs monitor    HEALTHY
Fabric Watch is not licensed              <=====
Detailed port information is not included <=====

Solution

The only way to get more info on what device changed and how, would be to collect supportsave output within 30 minutes of the message then check different logs.

Such as:

portlogdump

fabriclog -s

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