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<div><span>Thank you for your reply. How to switch slave to master in real time? Does bind have command?</span></div>
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<div style="font-size:12px;line-height:1.5;word-break:break-all;margin-left:10px;margin-right:10px">On <span class="mail-date">8/22/2018 18:32</span>，<a class="mail-to" style="text-decoration:none;color:#2a83f2;" href="mailto:h.reindl@thelounge.net">Reindl Harald<h.reindl@thelounge.net></a> wrote： </div>
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<br><br>Am 22.08.2018 um 12:17 schrieb Zhengyu Pan:<br> <blockquote class="mmbqc1">Because I need to a master as a cold standby. Another master need to<br> have the same zone and configuration with the former. When a master<br> is down, I need to switch to another master right away.<br></blockquote><br>you can make any slave at any point of time to a new master<br><br>typically you have *one* master and one slave which is confirured as<br>fallback-master on any other slaves - so in case you primary master<br>fails you change that one to a master with the data it already has just<br>make your changes on that slave which now became the master<br><br>when you restore the old master you just configure it as slave like<br>before and both just switching roles<br><br>there is no reason to maintain two masters<br><br> <blockquote class="mmbqc1">On 8/22/2018 16:39，Reindl Harald<h.reindl@thelounge.net><br> <mailto:h.reindl@thelounge.net> wrote：<br> <br> <br> Am 22.08.2018 um 09:15 schrieb Zhengyu Pan:<br> <br> Hi: <br> In my application scenario, I have two master. Each master connect<br> several slave dns. When users update zone, i update these two master<br> respectively in a for loop. However, when any master update fails, i<br> will roll bock. you know, whenever any update, zone's serial will<br> increase. this cause that the serial numbers of zone in two<br> masters are<br> inconsistent. How can i keep these two masters' zones consistent<br> in real<br> time? Is using rsync tool a good way? In the industry, is there<br> a good<br> way to synchronize two masters?<br> <br> why two masters to begin with?<br></blockquote></blockquote><style type="text/css">
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