How can I determine what causes an obscure event log health check warning?
Last Updated May 13, 2017
On occasion, the ProxySG appliance may generate an event log warning that does not seem to provide any information about the cause of the warning. For example:
"Health Monitor (WARNING): Health Check Status is 'WARNING'" 1 6F0101:1 Mailed notifier.cpp:125
You can refer to the ProxySG appliance Sysinfo (https://<IP_address>:<port>/Sysinfo) to investigate the cause of the warning.
Example of Using Sysinfo statistics to determine cause of health check warning
Use the following as a guideline for steps to take to determine the cause of the issue:
In Sysinfo, go to the /Monitor/Statistics section.
Refer to the list of Health Check Statuses. The Networking section is the only area that lists health checks without any description; these health checks are for DNS, ICAP, Forwarding hosts, and more. The following shows the last transition in the /Monitor/Statistics section:
Stat: Health Check Status
Current State : OK
Last Transition : Sat, 09 Feb 2013 02:33:12 UTC
Current Value : OK
Notification Method : log, mail
Go to the /health_check/statistics section for all of the networking-related checks.
Look for a check that lists a failure that matches the time listed in the last transition found in the /Monitor/Statistics section: fwd Domain name: 184.108.40.206
Last response time: 44 ms Average response time: 45 ms
Minimum response time: 44 ms Maximum response time: 60 ms
Using these two entries, you can determine that the health check warning originates from a bad connection to a forwarding host. For more details, investigate the connections between the appliance and the forwarding host.
You can also use packet captures (PCAPs) to troubleshoot further.
Imported Document ID: 000009812
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