<div dir="ltr">Hello!<div><br></div><div>
<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-family:Arial,sans-serif;color:rgb(34,34,34);background:white">I have an asymmetric
ProxMox 5.2 cluster with two main nodes (node-A and node-B) and one small qorum
node (node-C).<span></span></span></p>
<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-family:Arial,sans-serif;color:rgb(34,34,34);background:white">My aim </span><span lang="EN-US" style="font-family:Arial,sans-serif;color:rgb(31,73,125);background:white">is </span><span lang="EN-US" style="font-family:Arial,sans-serif;color:rgb(34,34,34);background:white">to get a HA cluster
with DRBD-driven storage on main nodes. It should act </span><span lang="EN-US" style="font-family:Arial,sans-serif;color:rgb(31,73,125);background:white">as follows</span><span lang="EN-US" style="font-family:Arial,sans-serif;color:rgb(34,34,34);background:white">:<span></span></span></p>
<p class="gmail-MsoListParagraph" style="margin:0cm 0cm 0.0001pt 36pt;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-family:Arial,sans-serif;color:rgb(34,34,34)"><span>1)<span style="font:7pt "Times New Roman""> </span></span></span><span lang="EN-US">In working state all nodes are up,
DRBD resources are UpToDate, guest VM <span style="color:rgb(31,73,125)">is </span>running
on one of main nodes.<span></span></span></p>
<p class="gmail-MsoListParagraph" style="margin:0cm 0cm 0.0001pt 36pt;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-family:Arial,sans-serif;color:rgb(34,34,34)"><span>2)<span style="font:7pt "Times New Roman""> </span></span></span><span lang="EN-US">When Passive main node (B) fails,
guest VM works as usual on Active main node (A). When Passive main node
restores, DRBD resource synchronizes automatically.<span></span></span></p>
<p class="gmail-MsoListParagraph" style="margin:0cm 0cm 0.0001pt 36pt;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-family:Arial,sans-serif;color:rgb(34,34,34)"><span>3)<span style="font:7pt "Times New Roman""> </span></span></span><span lang="EN-US">When Active main node (A) fails, PM
HA restart<span style="color:rgb(31,73,125)">s</span> guest VM on Passive Main node
(B).<span></span></span></p>
<p class="gmail-MsoListParagraph" style="margin:0cm 0cm 0.0001pt 36pt;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US">And
now the interesting:<span></span></span></p>
<p class="gmail-MsoListParagraph" style="margin:0cm 0cm 0.0001pt 36pt;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US" style="font-family:Arial,sans-serif;color:rgb(34,34,34)"><span>4)<span style="font:7pt "Times New Roman""> </span></span></span><span lang="EN-US">If <span style="color:rgb(31,73,125)">the </span>rest
main node (B) fails or <span style="color:rgb(31,73,125)">was</span> gracefully shut<span style="color:rgb(31,73,125)"> </span>down, and after that we start <span style="color:rgb(31,73,125)">the </span>first main node (A), PM HA starts guest VM on
this node with old data on disk. So we lost data changes on <span style="color:rgb(31,73,125)">the </span>main node B.<span></span></span></p>
<p class="gmail-MsoListParagraph" style="margin:0cm 0cm 0.0001pt 36pt;font-size:11pt;font-family:Calibri,sans-serif"><span lang="EN-US">Is
there any way to allow PM HA <span style="color:rgb(31,73,125)">to </span>start guest
only on <span style="color:rgb(31,73,125)">the </span>node with last activated
resource in case of not fully mashed cluster, and to disable this if <span style="color:rgb(31,73,125)">the </span>node has old replica? Is third small node can
help with it?<span></span></span></p>
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