Comment 3 for bug 1877616

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David Ames (thedac) wrote :

This turns out to be an edge case.

If one has *just* removed a unit and adds a new unit immediately, the new unit often wins the leader election. This puts the charm into a state that it cannot recover from automatically, as the new unit is not yet a member of the cluster and therefore cannot add itself to the cluster.

TRIAGE:

Catch and log this edge case and provide an "add_instance" action to solve it.