Andy Dale andy.dale at gmail.com
Wed Jan 13 05:13:56 PST 2010
Hi,

I have set up a simple 3 node slony cluster, and every thing works pretty
much as I would expect, however I am running into a few issue when using the
drop node (in a failover scenario).

I have a simple slonik script to perform a failover as follows (node 1 is
the old master node to removed):

#!/usr/bin/slonik

include <preamble.sk>;

# hard failover to the backup system
failover (id = 1, backup node = 2);

# purge out the opersystem node
drop node (id = 1, event node = 2);


The purges node 1 from the current cluster, the updated cluster is the
correct at node 2 (sl_node has node 2 and 3), but node 3 does not get/apply
the drop node command (sl_node still has nodes 1, 2, 3).

Looking at the slon log file on node 3 it is still trying to connect to node
1, and I do not understand why the cluster topology change has not been
detected on node 3.

Does anyone have any suggestions as to what the problem might be ? I am
using Slony 1.2.16

Many thanks,

Andy
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