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<div dir="auto">Hi.</div><div dir="auto"><br></div><div dir="auto">Have you considered using pacemaker-remote instead?</div><div dir="auto"><br></div><div dir='auto'><br></div>
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<p style="color: black; font-size: 10pt; font-family: sans-serif; margin: 8pt 0;">On May 18, 2021 5:55:57 PM S Sathish S <s.s.sathish@ericsson.com> wrote:</p>
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<p class="MsoNormal">Hi Team,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">We are setup 32 nodes pacemaker cluster setup each node has 10 resource so total [around 300+ components] are up and running. While performing installation/update with below task will happen.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoListParagraph" style="margin-left:.25in;mso-list:l0 level1 lfo1">From First node we start adding all 31 nodes one-by-one into the cluster and added resource for each nodes.<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:.25in;mso-list:l0 level1 lfo1">we execute pcs command stop/start resource parallelly in some use-case for all nodes.<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:.25in;mso-list:l0 level1 lfo1">If any network related change in node , we kept pcs in maintenance mode and post that network change disable pcs maintenance mode.<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:.25in;mso-list:l0 level1 lfo1">Some case we use to reboot the node one-by-one also for some kernel/application changes to be reflected.<o:p></o:p></li></ul>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Till 9 node cluster is working fine for us we don’t see below reported issue , For 32 node cluster setup we are facing below error whenever we perform installation/upgrade with above task is executed.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b>Please find the coroysnc logs in problematic duration with below error message</b> :
<o:p></o:p></p>
<p class="MsoNormal">May 17 08:08:47 [1978] node1 corosync notice [TOTEM ] A new membership (10.61.78.50:85864) was formed. Members left: 2 16 17 31 15 12 13 14 27 28 29 30 20 32 18 7 22 19 24 25 10 5 6 26 23 21 11 3 4<o:p></o:p></p>
<p class="MsoNormal">May 17 08:08:47 [1978] node1 corosync notice [TOTEM ] Failed to receive the leave message. failed: 2 16 17 31 15 12 13 14 27 28 29 30 20 32 18 7 22 19 24 25 10 5 6 26 23 21 11 3 4<o:p></o:p></p>
<p class="MsoNormal">May 17 08:08:47 [1978] node1 corosync notice [QUORUM] This node is within the non-primary component and will NOT provide any services.<o:p></o:p></p>
<p class="MsoNormal">May 17 08:08:47 [1978] node1 corosync notice [QUORUM] Members[1]: 1<o:p></o:p></p>
<p class="MsoNormal">May 17 08:08:47 [1978] node1 corosync notice [MAIN ] Completed service synchronization, ready to provide service.<o:p></o:p></p>
<p class="MsoNormal">May 17 11:17:30 [1866] node1 corosync notice [MAIN ] Corosync Cluster Engine ('UNKNOWN'): started and ready to provide service.<o:p></o:p></p>
<p class="MsoNormal">May 17 11:17:30 [1866] node1 corosync info [MAIN ] Corosync built-in features: pie relro bindnow<o:p></o:p></p>
<p class="MsoNormal">May 17 11:17:30 [1866] node1 corosync warning [MAIN ] Could not set SCHED_RR at priority 99: Operation not permitted (1)<o:p></o:p></p>
<p class="MsoNormal">May 17 11:17:30 [1866] node1 corosync notice [TOTEM ] Initializing transport (UDP/IP Unicast).<o:p></o:p></p>
<p class="MsoNormal">May 17 11:17:30 [1866] node1 corosync notice [TOTEM ] Initializing transmit/receive security (NSS) crypto: none hash: none<o:p></o:p></p>
<p class="MsoNormal">May 17 11:17:30 [1866] node1 corosync notice [TOTEM ] The network interface [10.61.78.50] is now up.<o:p></o:p></p>
<p class="MsoNormal">May 17 11:17:30 [1866] node1 corosync notice [SERV ] Service engine loaded: corosync configuration map access [0]<o:p></o:p></p>
<p class="MsoNormal">May 17 11:17:30 [1866] node1 corosync info [QB ] server name: cmap<o:p></o:p></p>
<p class="MsoNormal">May 17 11:17:30 [1866] node1 corosync notice [SERV ] Service engine loaded: corosync configuration service [1]<o:p></o:p></p>
<p class="MsoNormal">May 17 11:17:30 [1866] node1 corosync info [QB ] server name: cfg<o:p></o:p></p>
<p class="MsoNormal">May 17 11:17:30 [1866] node1 corosync notice [SERV ] Service engine loaded: corosync cluster closed process group service v1.01 [2]<o:p></o:p></p>
<p class="MsoNormal">May 17 11:17:30 [1866] node1 corosync info [QB ] server name: cpg<o:p></o:p></p>
<p class="MsoNormal">May 17 11:17:30 [1866] node1 corosync notice [SERV ] Service engine loaded: corosync profile loading service [4]<o:p></o:p></p>
<p class="MsoNormal">May 17 11:17:30 [1866] node1 corosync notice [QUORUM] Using quorum provider corosync_votequorum<o:p></o:p></p>
<p class="MsoNormal">May 17 11:17:30 [1866] node1 corosync notice [SERV ] Service engine loaded: corosync vote quorum service v1.0 [5]<o:p></o:p></p>
<p class="MsoNormal">May 17 11:17:30 [1866] node1 corosync info [QB ] server name: votequorum<o:p></o:p></p>
<p class="MsoNormal">May 17 11:17:30 [1866] node1 corosync notice [SERV ] Service engine loaded: corosync cluster quorum service v0.1 [3]<o:p></o:p></p>
<p class="MsoNormal">May 17 11:17:30 [1866] node1 corosync info [QB ] server name: quorum<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Another node logs :<o:p></o:p></p>
<p class="MsoNormal">May 18 16:20:17 [1968] node2 corosync notice [TOTEM ] A new membership (10.223.106.11:104056) was formed. Members left: 2 16 17 31 15 12 1 13 14 27 28 29 30 20 7 22 8 9 19 24 25 10 5 6 26 23 11 3 4<o:p></o:p></p>
<p class="MsoNormal">May 18 16:20:17 [1968] node2 corosync notice [TOTEM ] Failed to receive the leave message. failed: 2 16 17 31 15 12 1 13 14 27 28 29 30 20 7 22 8 9 19 24 25 10 5 6 26 23 11 3 4<o:p></o:p></p>
<p class="MsoNormal">May 18 16:20:17 [1968] node2 corosync notice [QUORUM] This node is within the non-primary component and will NOT provide any services.<o:p></o:p></p>
<p class="MsoNormal">May 18 16:20:17 [1968] node2 corosync notice [QUORUM] Members[1]: 32<o:p></o:p></p>
<p class="MsoNormal">May 18 16:20:17 [1968] node2 corosync notice [MAIN ] Completed service synchronization, ready to provide service.<o:p></o:p></p>
<p class="MsoNormal">May 18 16:22:20 [1968] node2 corosync notice [TOTEM ] A new membership (10.217.41.26:104104) was formed. Members joined: 27 29 18<o:p></o:p></p>
<p class="MsoNormal">May 18 16:22:20 [1968] node2 corosync notice [QUORUM] Members[4]: 27 29 32 18<o:p></o:p></p>
<p class="MsoNormal">May 18 16:22:20 [1968] node2 corosync notice [MAIN ] Completed service synchronization, ready to provide service.<o:p></o:p></p>
<p class="MsoNormal">May 18 16:22:45 [1968] node2 corosync notice [TOTEM ] A new membership (10.217.41.26:104112) was formed. Members<o:p></o:p></p>
<p class="MsoNormal">May 18 16:22:45 [1968] node2 corosync notice [QUORUM] Members[4]: 27 29 32 18<o:p></o:p></p>
<p class="MsoNormal">May 18 16:22:45 [1968] node2 corosync notice [MAIN ] Completed service synchronization, ready to provide service.<o:p></o:p></p>
<p class="MsoNormal">May 18 16:22:46 [1968] node2 corosync notice [TOTEM ] A new membership (10.217.41.26:104116) was formed. Members joined: 30<o:p></o:p></p>
<p class="MsoNormal">May 18 16:22:46 [1968] node2 corosync notice [QUORUM] Members[5]: 27 29 30 32 18<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b>Any PCS command will fail with error message on all nodes:<o:p></o:p></b></p>
<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif">[root@node1 online]# pcs property set maintenance-mode=false --wait=240<br>
<span style="background:yellow;mso-highlight:yellow">Error: Unable to update cib<br>
Call cib_replace failed (-62): Timer expired</span><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif">[root@node1 online]#<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b>Workaround </b>: we poweroff all nodes and bring nodes one-by-one to overcome above problem statement , kindly check on this error message and provide us RCA for this problem.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b>Current Pacemaker version</b> :<o:p></o:p></p>
<p class="MsoNormal">pacemaker-2.0.2 --> <a href="https://github.com/ClusterLabs/pacemaker/tree/Pacemaker-2.0.2">
https://github.com/ClusterLabs/pacemaker/tree/Pacemaker-2.0.2</a><o:p></o:p></p>
<p class="MsoNormal">corosync-2.4.4 --> <a href="https://github.com/corosync/corosync/tree/v2.4.4">
https://github.com/corosync/corosync/tree/v2.4.4</a><o:p></o:p></p>
<p class="MsoNormal">pcs-0.9.169<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks and Regards,<o:p></o:p></p>
<p class="MsoNormal">S Sathish S<o:p></o:p></p>
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