HA Failover-related issues are generally considered to be very serious. There are broadly of four types:
Let's take a look at these one by one.
Sometimes when you do a
show node, you might see the status Not UP. This means the node is not ready to process traffic, if it were to become primary. This can be because of the following reasons:
There is a very handy list of the various node states and what they mean in article CTX118519. I sourced the following tables ...