3 docs tagged with "load-balancer"

During load balancer creation or other operations involving logical router and logical switch associations, Neutron OVN may raise a `RowNotFound` exception when attempting to reference a logical switch that has just been deleted. This leads to a port binding failure and a rollback of the affected operation.

NGINX is reporting that all backend servers in an upstream group are unavailable. This means that NGINX cannot route requests to any of its configured backend servers, resulting in client\-facing errors.

Detects critical Nginx upstream failure cascades that lead to complete service unavailability.