
<html><head></head><body>Hi Tom,<br><br>Maybe it can be implemented with a "Lua Server Policy"<br><br><a href="https://dnsdist.org/guides/serverselection.html?highlight=health#lua-server-policies">https://dnsdist.org/guides/serverselection.html?highlight=health#lua-server-policies</a><br><br>based on :isUp() of the Server object from getPoolServers(name) <br><br>Winfried<br><br><div class="gmail_quote">Am 2. Juni 2021 09:19:53 MESZ schrieb Tom via dnsdist <dnsdist@mailman.powerdns.com>:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">

<pre class="k9mail">Hi list<br><br>Using dnsdist 1.5.2 with four configured backend servers <br>(backend01-backend04).<br><br>Is there a way to configure dnsdist to use backend03 and backend04 only, <br>if backend01 and backend02 are not answering on the healthcheck? Or <br>better: use backend03 or backend04 only if backend01 or backend02 are down.<br><br>Any hints?<br><br>Thank you.<br>Kind regards,<br>Tom<hr>dnsdist mailing list<br>dnsdist@mailman.powerdns.com<br><a href="https://mailman.powerdns.com/mailman/listinfo/dnsdist">https://mailman.powerdns.com/mailman/listinfo/dnsdist</a><br></pre></blockquote></div></body></html>