Bug ID 521813: Cluster is removed from HA group on restart

Last Modified: Oct 16, 2023

Affected Product(s):
BIG-IP LTM(all modules)

Known Affected Versions:
12.1.0 HF1, 12.1.0 HF2, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2

Fixed In:
12.0.0, 11.5.3 HF2

Opened: May 06, 2015

Severity: 3-Major


When the system is rebooted (or "bigstart restart" is executed), any HA groups with clusters in them will have those clusters removed.


HA cluster configuration is missing every time all the blades are rebooted.


Chassis-based system with an ha-group and ha-group-cluster configured. All blades have to reboot, since if a single blade is rebooted it pulls the running-config from the primary slot.



Fix Information

Reverted changes made for ID481611.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips