<div dir="ltr"><div><div><div><div><div>Hi Tatsuo,<br><br></div>Thanks for your answer. <br></div>Do you have any doc of pgpool-ha? Or setup guide? I would like to know what is the feature and functionality of pgpool-ha.<br>
</div>Looks like lot of people use pgpool-ii with pgpool-ha, so I am also evaluating if i also need the tool for my cluster.<br><br></div>I have 2 node cluster with streaming replication:<br></div><div>1) node 1, Active pgpool, Primary DB<br>
</div><div>2) node 2, native pgpool, Standby DB connecting to Node 1 using streaming replication<br><br></div><div>So I think I should install pgpool-ha on both nodes? <br><br></div><div>Thanks~<br>Ning<br></div></div><div class="gmail_extra">
<br><br><div class="gmail_quote">On Thu, May 2, 2013 at 2:54 PM, Tatsuo Ishii <span dir="ltr"><<a href="mailto:ishii@postgresql.org" target="_blank">ishii@postgresql.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class="im">> PgPool-II have a build in health check, do I really need pgpool_ha to build<br>
> the high availability environment?<br>
<br>
</div>They are totally different beasts. The health check is HA for<br>
PostgreSQL, while pgpool-HA is HA for pgpool-II itself.<br>
--<br>
Tatsuo Ishii<br>
SRA OSS, Inc. Japan<br>
English: <a href="http://www.sraoss.co.jp/index_en.php" target="_blank">http://www.sraoss.co.jp/index_en.php</a><br>
Japanese: <a href="http://www.sraoss.co.jp" target="_blank">http://www.sraoss.co.jp</a><br>
</blockquote></div><br></div>