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<p class="MsoNormal">Hi<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I am trying to follow the concept from <a href="https://www.itenlight.com/blog/2016/05/21/PostgreSQL+HA+with+pgpool-II+-+Part+5">
https://www.itenlight.com/blog/2016/05/21/PostgreSQL+HA+with+pgpool-II+-+Part+5</a><o:p></o:p></p>
<p class="MsoNormal">To stop the old-primary postgres after promoting the slave.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">In the his scripts, he SSH to the “demote_node” passed in from the initial failover.sh script but this is a nodeID so the ssh command fails.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Ie:<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt;line-height:15.0pt;vertical-align:baseline">
<span style="font-size:10.5pt;font-family:Consolas;color:#333333;border:none windowtext 1.0pt;padding:0cm"># Disabling postgresql on demote host (if specified):</span><span style="font-size:10.5pt;font-family:Consolas;color:#333333"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt;line-height:15.0pt;vertical-align:baseline">
<span style="font-size:10.5pt;font-family:Consolas;color:#333333;border:none windowtext 1.0pt;padding:0cm">if</span><span style="font-size:10.5pt;font-family:Consolas;color:#333333"> <span style="border:none windowtext 1.0pt;padding:0cm">[ "$demote_host"</span> <span style="border:none windowtext 1.0pt;padding:0cm">!= ""</span> <span style="border:none windowtext 1.0pt;padding:0cm">]; then</span><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt;line-height:15.0pt;vertical-align:baseline">
<span style="font-size:10.5pt;font-family:Consolas;color:#333333"> <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt;line-height:15.0pt;vertical-align:baseline">
<span style="font-size:10.5pt;font-family:Consolas;color:#333333;border:none windowtext 1.0pt;padding:0cm"> echo</span><span style="font-size:10.5pt;font-family:Consolas;color:#333333"> <span style="border:none windowtext 1.0pt;padding:0cm">"INFO: Trying
to disable postgresql at ${demote_host}..."</span><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt;line-height:15.0pt;vertical-align:baseline">
<span style="font-size:10.5pt;font-family:Consolas;color:#333333;border:none windowtext 1.0pt;padding:0cm"> ssh</span><span style="font-size:10.5pt;font-family:Consolas;color:#333333"> <span style="border:none windowtext 1.0pt;padding:0cm">-T postgres@$demote_host /etc/postgresql/9.5/main/replscripts/disable_postgresql.sh
-t $trigger_file -s $standby_file && success=true</span><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt;line-height:15.0pt;vertical-align:baseline">
<span style="font-size:10.5pt;font-family:Consolas;color:#333333"> <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt;line-height:15.0pt;vertical-align:baseline">
<span style="font-size:10.5pt;font-family:Consolas;color:#333333;border:none windowtext 1.0pt;padding:0cm"> if</span><span style="font-size:10.5pt;font-family:Consolas;color:#333333"> <span style="border:none windowtext 1.0pt;padding:0cm">! $success ; then</span><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt;line-height:15.0pt;vertical-align:baseline">
<span style="font-size:10.5pt;font-family:Consolas;color:#333333;border:none windowtext 1.0pt;padding:0cm"> echo</span><span style="font-size:10.5pt;font-family:Consolas;color:#333333"> <span style="border:none windowtext 1.0pt;padding:0cm">"WARNING:
Failed to execute 'disable_postgresql.sh' at demoted host."</span><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt;line-height:15.0pt;vertical-align:baseline">
<span style="font-size:10.5pt;font-family:Consolas;color:#333333;border:none windowtext 1.0pt;padding:0cm"> fi</span><span style="font-size:10.5pt;font-family:Consolas;color:#333333"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt;line-height:15.0pt;vertical-align:baseline">
<span style="font-size:10.5pt;font-family:Consolas;color:#333333;border:none windowtext 1.0pt;padding:0cm"> </span><span style="font-size:10.5pt;font-family:Consolas;color:#333333"> <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt;line-height:15.0pt;vertical-align:baseline">
<span style="font-size:10.5pt;font-family:Consolas;color:#333333;border:none windowtext 1.0pt;padding:0cm">fi</span><span style="font-size:10.5pt;font-family:Consolas;color:#333333"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">From the pgpool.conf, the special values for the failover_command does not include the hostname/IP of the oldprimary.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Is there a way to retrieve the IP of the oldprimary from within the failover.sh with the oldprimary node ID?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Regards<o:p></o:p></p>
<p class="MsoNormal">Dylan<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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