On Apr 7, 2010, at 12:56 AM, Stéphane A. Schildknecht wrote:

> Hi,
> 
> In fact, Slony did not get confused. sl_status is a view composed with
> information from sl_event and sl_confirm.
> Until every event referencing the deleted nodes disappear from these tables,
> you will see these nodes in sl_status.
> 
> The fact that these nodes are not shown in sl_nodes is a good way to know they
> don't exist in the cluster anymore.

Right, I got that, but I'm unclear why some nodes might exist in sl_confirm "long" after they've been removed. I thought (incorrectly, it seems) that one of the fallouts of the DROP NODE command was that all references to that node would be culled.