201 · Question #267
The current status of a given pool is offline (red). Which condition could explain that state? Assume the descriptions below include all monitors assigned for each scenario.
The correct answer is B. The pool has a monitor assigned to it, and none of the pool members passed the test. A BIG-IP pool shows an offline (red) status when it has an assigned monitor and none of its members pass the health checks defined by that monitor.
Question
The current status of a given pool is offline (red). Which condition could explain that state? Assume the descriptions below include all monitors assigned for each scenario.
Options
- ANo monitors are currently assigned to any pool, member or node.
- BThe pool has a monitor assigned to it, and none of the pool members passed the test.
- CThe pool has a monitor assigned to it, and only some of the pool's members passed the test.
- DA monitor is assigned to all nodes and all nodes have passed the test. The pool's members have no
How the community answered
(49 responses)- A2% (1)
- B92% (45)
- C4% (2)
- D2% (1)
Why each option
A BIG-IP pool shows an offline (red) status when it has an assigned monitor and none of its members pass the health checks defined by that monitor.
If no monitors are assigned to the pool or its members, the pool would typically default to an available (green) or unknown state, not offline (red), unless manually disabled.
A pool's status turns offline (red) when a health monitor is associated with it, and subsequently, every single pool member fails the health checks performed by that monitor. This indicates that no servers within the pool are currently available to handle incoming traffic.
If only some pool members pass the health test, the pool's status would be reported as partially available (orange) or available (green), as long as at least one member is functional.
While nodes are underlying infrastructure, the pool's status is specifically determined by the health of its configured members as checked by assigned monitors, not solely by node status, and members without monitors are usually considered available.
Concept tested: BIG-IP pool health status monitoring
Source: https://my.f5.com/manage/s/article/K13354
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