Bug ID 1670689: BIG-IP Next Central Manager high availability installation failures in high disk latency environments

Last Modified: Oct 19, 2025

Affected Product(s):
BIG_IP_NEXT(CM) Install/Upgrade(all modules)

Known Affected Versions:
20.3.0

Opened: Sep 13, 2024

Severity: 2-Critical

Symptoms

The installation of BIG-IP Next Central Manager may fail with a “node not ready” status when there is high disk I/O latency.

Impact

The installation of BIG-IP Next Central Manager in High Availability mode will fail.

Conditions

High disk latency, such as when using NAS-mounted disk storage, can cause the High Availability installation of the BIG-IP Next Central Manager to fail.

Workaround

It is recommended to use low-latency block storage devices for local storage volumes on Virtual Machine (VM) instances.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips