Bug ID 1624837: Possible to have inconsistencies in the cluster member ready status after a Controller Connection failover

Last Modified: Oct 19, 2025

Affected Product(s):
F5OS Velos(all modules)

Known Affected Versions:
F5OS-C 1.8.0, F5OS-C 1.8.1

Fixed In:
F5OS-C 1.8.2

Opened: Aug 08, 2024

Severity: 3-Major

Symptoms

An inconsistency in the actual ready status of the nodes and controllers may be observed after a controller failover.

Impact

When looking at output of the controller CLI 'show cluster' command, you may see cluster members that are offline when in actuality they are in the Ready state. This is a temporary condition as the output will be eventually update to the correct data.

Conditions

On a controller failover, it is possible there could be stale cluster status data on the new active controller that is being written into ConfD before a new poll of that data occurs.

Workaround

No workaround is necessary as the correct results will be shown on the next data poll.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips