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<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN">Hi Anirudh,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN">Per my understanding, for duplex, there is always 1 active node and 1 standby node.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN">The </span><b><i><span lang="EN-IN" style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:#333333;background:white">“</span></i></b><b><i><span lang="EN-IN">active/active”</span></i></b><i><span lang="EN-IN">
or <b>“active/standby”</b></span></i><span style="mso-fareast-language:ZH-CN"> in the document is for “</span><span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:#333333;background:white">services</span><span style="mso-fareast-language:ZH-CN">”,
not for node.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN">If you try to run “sudo sm-dump” in the standby node, you will find some services are “active”, while some services are “standby”.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN">For the 2<sup>nd</sup> question, VMs are running in compute node. And for duplex, both controller nodes are compute nodes also.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN">And the “Active/Standby” is for controller, not for compute function, that is why VMs will run in both node.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN">Best Regards<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN">Shuicheng<o:p></o:p></span></p>
</div>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
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<p class="MsoNormal"><a name="_____replyseparator"></a><b><span style="mso-fareast-language:ZH-CN">From:</span></b><span style="mso-fareast-language:ZH-CN"> Anirudh Gupta <Anirudh.Gupta@hsc.com>
<br>
<b>Sent:</b> Thursday, November 28, 2019 11:45 AM<br>
<b>To:</b> starlingx-discuss@lists.starlingx.io; starlingx-announce@lists.starlingx.io<br>
<b>Subject:</b> Re: [Starlingx-discuss] StarlingX 2.0 Duplex Controller in Active/Active HA<o:p></o:p></span></p>
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</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-IN">Hi Team,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN">Can someone please give me any update on my Query:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><i><span lang="EN-IN">I need to install StarlingX 2.0 Duplex Bare Metal.<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-IN">As per the document, there can be 2 modes in which HA controllers can be configure i.e.
</span></i><i><span lang="EN-IN" style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:#333333;background:white">either
<b>“</b></span></i><b><i><span lang="EN-IN">active/active”</span></i></b><i><span lang="EN-IN"> or
<b>“active/standby”<br>
</b><a href="https://docs.starlingx.io/deploy_install_guides/r2_release/bare_metal/aio_duplex.html">https://docs.starlingx.io/deploy_install_guides/r2_release/bare_metal/aio_duplex.html</a><o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-IN"><o:p> </o:p></span></i></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo3"><i><span lang="EN-IN">Can someone please suggest the steps to configure Active-Active state?<o:p></o:p></span></i></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo3"><i><span lang="EN-IN">I have 2 kubernetes pods corresponding to each Openstack Service in Duplex Setup and when I spawn any VM, it goes on any of the two controllers. So, is this the
standard implementation in StarlingX? What needs to be done in Active-Standby configuration?<o:p></o:p></span></i></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo3"><i><span lang="EN-IN">And, what difference it would have on my deployment in terms of functionality?<o:p></o:p></span></i></li></ul>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN">Regards<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN">Anirudh Gupta<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
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<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="mso-fareast-language:EN-IN">From:</span></b><span style="mso-fareast-language:EN-IN"> Anirudh Gupta
<br>
<b>Sent:</b> 26 November 2019 10:30<br>
<b>To:</b> <a href="mailto:starlingx-discuss@lists.starlingx.io">starlingx-discuss@lists.starlingx.io</a>;
<a href="mailto:starlingx-announce@lists.starlingx.io">starlingx-announce@lists.starlingx.io</a><br>
<b>Subject:</b> StarlingX 2.0 Duplex Controller in Active/Active HA<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN">Hi Team,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN">I need to install StarlingX 2.0 Duplex Bare Metal.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN">As per the document, there can be 2 modes in which HA controllers can be configure i.e.
</span><span lang="EN-IN" style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:#333333;background:white">either
<b>“</b></span><b><span lang="EN-IN">active/active”</span></b><span lang="EN-IN"> or
<b>“active/standby”<br>
</b><a href="https://docs.starlingx.io/deploy_install_guides/r2_release/bare_metal/aio_duplex.html">https://docs.starlingx.io/deploy_install_guides/r2_release/bare_metal/aio_duplex.html</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN">Can someone please suggest the steps to configure Active-Active state?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN">And, what difference it would have on my deployment in terms of functionality?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN">Regards<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN">Anirudh Gupta<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
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