<div dir="ltr">Hello all,<div><br></div><div>I have two pgpool nodes which I am using a TCP load balancer to spread between. I am using watchdog to synchronise PostgreSQL node information between the two and an external HA solution (with ALLOW_TO_FAILOVER).</div>
<div><br></div><div>If I start both my pgpool nodes up I get the following inital state:<br></div><div><br></div><div><div>postgres=# show pool_nodes;</div><div> node_id | hostname | port | status | lb_weight | role</div>
<div>---------+-------------+------+--------+-----------+---------</div>
<div> 0 | 10.10.10.1 | 5432 | 2 | 0.500000 | standby</div><div> 1 | 10.10.10.2 | 5432 | 2 | 0.500000 | primary</div><div>(2 rows)</div></div><div><br></div><div>And then I run the following command:</div>
<div><br></div><div> pcp_detach_node 1 load_balancer 9898 postgres postgres 0<br></div><div><br></div><div>Now both pgpool nodes show the following:</div><div><br></div><div><div>postgres=# show pool_nodes;</div><div> node_id | hostname | port | status | lb_weight | role</div>
<div>---------+-------------+------+--------+-----------+---------</div><div> 0 | 10.10.10.1 | 5432 | 3 | 0.500000 | standby</div><div> 1 | 10.10.10.2 | 5432 | 2 | 0.500000 | primary</div><div>(2 rows)</div>
</div><div><br></div><div>This proves watchdog is working, as the command is sent to one pgpool node through the load_balancer.</div><div><br></div><div>Now if I restart pgpool node two I would expect it to come back up with the config above, not the initial config - as it would have talked to the watchdog on the other node. This is not the case though.</div>
<div><br></div><div>The non restarted node still reports:</div><div><br></div><div><div>postgres=# show pool_nodes;</div><div> node_id | hostname | port | status | lb_weight | role</div><div>---------+-------------+------+--------+-----------+---------</div>
<div> 0 | 10.10.10.1 | 5432 | 3 | 0.500000 | standby</div><div> 1 | 10.10.10.2 | 5432 | 2 | 0.500000 | primary</div><div>(2 rows)</div></div><div><br></div><div>And the restarted node reports:</div>
<div><br></div><div><div>postgres=# show pool_nodes;</div><div> node_id | hostname | port | status | lb_weight | role</div><div>---------+-------------+------+--------+-----------+---------</div><div> 0 | 10.10.10.1 | 5432 | 2 | 0.500000 | standby</div>
<div> 1 | 10.10.10.2 | 5432 | 2 | 0.500000 | primary</div><div>(2 rows)</div></div><div><br></div><div>Any ideas on how to fix this?</div><div><div><div style="color:rgb(184,39,106);font-weight:bold;font-style:normal;font-variant:normal;font-size:14px;line-height:normal;font-family:Arial,Helvetica,sans-serif">
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<span style="color:rgb(50,59,98)">James Sewell,</span><br>
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