In a FortiManager High Availability (HA) cluster, specific interfaces can be monitored for connectivity. If a monitored interface on the primary unit fails, the unit is considered to have failed. The secondary units, which constantly monitor the primary via heartbeat signals over these interfaces, will detect the failure. Upon detection, the cluster automatically initiates a failover process. A secondary unit is elected to become the new primary based on priority and uptime, and it takes over all management tasks. This entire process is designed to be automatic and transparent to administrators to ensure service continuity without requiring manual intervention.

B. Manual promotion is not required. The failover process is automatic when a monitored interface fails, which is a primary feature of the HA design.

C. Reconfiguring the primary device is incorrect. The primary unit is in a failed state, and the failover is initiated by the secondary units detecting the failure.

D. A database integrity check is not the trigger for a failover in this scenario. The failover is triggered by the loss of heartbeat signals due to the interface failure.

1. Fortinet FortiManager Administration Guide 7.0

Chapter: "High Availability"

Section: "HA failover"

Page 131.

The document states

"You can configure the cluster to monitor one or more FortiManager interfaces. If any of the monitored interfaces fail on the primary unit

the primary unit is considered to have failed and a failover occurs." This confirms that the failover is a direct and automatic consequence of the monitored interface failure.

2. Fortinet FortiManager Administration Guide 7.2

Chapter: "High Availability"

Section: "HA failover"

Page 141.

This guide reiterates the same principle: "A failover occurs when the primary unit is no longer detected by the other cluster units... You can configure the cluster to monitor one or more FortiManager interfaces. If any of the monitored interfaces fail on the primary unit

the primary unit is considered to have failed and a failover occurs." The automatic nature of this process makes it transparent to administrators.