201 · Question #168
A BIG-IP Administrator reviews the log files to determine the cause of a recent problem and finds the following entry. Mar 27.07.58.48 local/BIG-IP notice mcpd {5140} 010707275 Pool member…
The correct answer is D. The monitor attached to the pool member has failed. The log entry "monitor status down" indicates that the health check configured for the pool member has failed, marking the member as unavailable.
Question
A BIG-IP Administrator reviews the log files to determine the cause of a recent problem and finds the following entry. Mar 27.07.58.48 local/BIG-IP notice mcpd {5140} 010707275 Pool member 172.16.20.1.10029 monitor status down. What is the cause of this log message?
Options
- AThe pool member has been disabled.
- BThe pool member has been marked as Down by the BIG-IP Administrator.
- CThe monitor attached to the pool member needs a higher timeout value.
- DThe monitor attached to the pool member has failed.
How the community answered
(33 responses)- A3% (1)
- B3% (1)
- C6% (2)
- D88% (29)
Why each option
The log entry "monitor status down" indicates that the health check configured for the pool member has failed, marking the member as unavailable.
While a monitor timeout can be a reason for a monitor to fail, the log message only states the monitor *is* down, not that it specifically timed out or that a higher timeout is the solution to the problem described by the log entry itself.
The log message `010707275 Pool member ... monitor status down` explicitly indicates that the health monitor associated with the pool member has failed its configured checks, leading to the BIG-IP system marking the pool member as unavailable.
Concept tested: BIG-IP health monitor status interpretation
Source: https://techdocs.f5.com/kb/en-us/products/big-ip_ltm/releasenotes/related/bigip-system-message-guide-13-1-0.html
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