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<div class=Section1><pre><span class=SpellE><font size=2 face="Courier New"><span
style='font-size:10.0pt'>Heidrich</span></font></span>,<o:p></o:p></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>Would you mind explaining your setup regarding the secondary zones (stealth master) further? <span style='mso-spacerun:yes'> </span>We are looking to run a similar setup, with a master that uses <span
class=SpellE>MySQL</span> replication to 2 other authoritative NS servers (all using the <span
class=SpellE>gmysql</span> backend).<span style='mso-spacerun:yes'> </span>We also will have a web GUI on the master to make changes. <span style='mso-spacerun:yes'> </span>That all works fine for zones that we are authoritative for, but the secondary zones from a customer’s master pose an issue. <span style='mso-spacerun:yes'> </span>How are you handling the secondary zones in this case?<span style='mso-spacerun:yes'> </span>Any help would be appreciated.<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>Thanks<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>Dave Taylor<o:p></o:p></span></font></pre><pre><st1:PersonName><font
size=2 face="Courier New"><span style='font-size:10.0pt'>davetaylor@frontiernet.net</span></font></st1:PersonName><o:p></o:p></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> In the past I've seen some of you mention that you had all domains <o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> set as NATIVE, and were using a <span class=SpellE>mysql</span> backend with <span
class=SpellE>mysql</span> replication <o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> <span class=GramE>amongst</span> your servers. This seems like a good architecture to me, so <o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> I was wondering if anyone could supply the specific <span
class=SpellE>mysql</span> <span class=SpellE>configs</span> <o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> <span class=GramE>that</span> I can use to setup replication between my own servers. There <o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> are articles on the net, but they are about replication in general, <o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> <span class=GramE>so</span> I'm hoping someone here can help me with the replication I would <o:p></o:p></span></i></span></font></pre><pre><span
class=GramE><font size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> need specifically for <span class=SpellE>PowerDNS</span>.</span></i></span></font></span><i><span
style='font-style:italic'><o:p></o:p></span></i></pre><pre><font size=2
face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> <o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>We use a <span
class=SpellE>config</span> like this. There are three <span class=SpellE>PDNSs</span>, one master with the<o:p></o:p></span></font></pre><pre><span
class=GramE><font size=2 face="Courier New"><span style='font-size:10.0pt'>zones</span></font></span> not <span
class=SpellE>queryable</span>, and a protected management web <span
class=SpellE>gui</span> (own version -<o:p></o:p></pre><pre><span class=GramE><font
size=2 face="Courier New"><span style='font-size:10.0pt'>minimal</span></font></span> design); and two replicas which are the <span
class=SpellE>authoritativ</span> <span class=SpellE>NSs</span> for all<o:p></o:p></pre><pre><span
class=GramE><font size=2 face="Courier New"><span style='font-size:10.0pt'>the</span></font></span> zones. <o:p></o:p></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>We also serve secondary with this structure, master is a stealth master<o:p></o:p></span></font></pre><pre><span
class=GramE><font size=2 face="Courier New"><span style='font-size:10.0pt'>in</span></font></span> this case, is not listed in NS record, but must receive <span
class=SpellE>notifys</span> to be<o:p></o:p></pre><pre><span class=GramE><font
size=2 face="Courier New"><span style='font-size:10.0pt'>up-to-date</span></font></span>, and transfers also need to be accepted from it.<o:p></o:p></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>We mainly have no problems using this, migrated several hundred of zones<o:p></o:p></span></font></pre><pre><span
class=GramE><font size=2 face="Courier New"><span style='font-size:10.0pt'>to</span></font></span> this. The only problem is, that sometimes it happen, that a CNAME is<o:p></o:p></pre><pre><span
class=GramE><font size=2 face="Courier New"><span style='font-size:10.0pt'>not</span></font></span> accessible (SERVFAILED) as ANY! It lasts normally for just minutes<o:p></o:p></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>(<span class=GramE>internal</span> cache time??) <span
class=GramE>but</span> fools our solution to migrate the domain<o:p></o:p></span></font></pre><pre><span
class=GramE><font size=2 face="Courier New"><span style='font-size:10.0pt'>names</span></font></span> by turning the zone into a forward zone on the old DNS server -<o:p></o:p></pre>
<p class=MsoNormal><span class=GramE><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>mainly</span></font></span> if the <span class=SpellE>CNAMEs</span>
TTL is small!<font size=2 face=Arial><span style='font-size:10.0pt;font-family:
Arial'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
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