<div class="socmaildefaultfont" dir="ltr" style="font-family:Arial, Helvetica, sans-serif;font-size:10pt" ><div dir="ltr" >Hello everyone,</div>
<div dir="ltr" > </div>
<div dir="ltr" >I'm trying to setup a cluster with two hosts:</div>
<div dir="ltr" >both have two ethernet adapters all within the same subnet.</div>
<div dir="ltr" >I've created resources for an adapter for each hosts.</div>
<div dir="ltr" > </div>
<div dir="ltr" >Here is the example:</div>
<div dir="ltr" > </div>
<div dir="ltr" ><div>Stack: corosync<br>Current DC: ceha06 (version 2.0.2-1.el8-744a30d655) - partition with quorum<br>Last updated: Thu Oct 1 12:50:48 2020<br>Last change: Thu Oct 1 12:32:53 2020 by root via cibadmin on ceha05</div>
<div>2 nodes configured<br>2 resources configured</div>
<div>Online: [ ceha05 ceha06 ]</div>
<div>Active resources:</div>
<div>db2_ceha05_ens192 (ocf::heartbeat:db2ethmon): Started ceha05<br>db2_ceha06_ens192 (ocf::heartbeat:db2ethmon): Started ceha06</div></div>
<div dir="ltr" > </div>
<div dir="ltr" >I also have a qdevice setup:</div>
<div dir="ltr" > </div>
<div dir="ltr" ># corosync-qnetd-tool -l<br>Cluster "hadom":<br> Algorithm: LMS<br> Tie-breaker: Node with lowest node ID<br> Node ID 2:<br> Client address: ::ffff:<ip for ens192 for host 2>:40044<br> Configured node list: 1, 2<br> Membership node list: 1, 2<br> Vote: ACK (ACK)<br> Node ID 1:<br> Client address: ::ffff:<<strong>ip for ens192 for host 1</strong>>:37906<br> Configured node list: 1, 2<br> Membership node list: 1, 2<br> Vote: ACK (ACK)</div>
<div dir="ltr" > </div>
<div dir="ltr" >When I ifconfig down ens192 for host 1, looks like qdevice changes the Client address to the other adapter and still give quorum to the lowest node ID (which is host 1 in this case) even when the network is down for host 1.</div>
<div dir="ltr" > </div>
<div dir="ltr" >Cluster "hadom":<br> Algorithm: LMS<br> Tie-breaker: Node with lowest node ID<br> Node ID 2:<br> Client address: ::ffff:<ip for ens192 for host 2>:40044<br> Configured node list: 1, 2<br> Membership node list: 1, 2<br> Vote: ACK (ACK)<br> Node ID 1:<br> Client address: ::ffff:<<strong>ip for ens256 for host 1</strong>>:37906<br> Configured node list: 1, 2<br> Membership node list: 1, 2<br> Vote: ACK (ACK)</div>
<div dir="ltr" > </div>
<div dir="ltr" >Is there a way we can force qdevice to only route through a specified adapter (ens192 in this case)?</div>
<div dir="ltr" > </div>
<div dir="ltr" >Also while I'm on this topic, is multiple communication ring support with pacemaker supported or will be supported in the near future?</div>
<div dir="ltr" > </div>
<div dir="ltr" >Thank you,</div>
<div dir="ltr" >Richard</div></div><BR>