<html><head><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div><blockquote type="cite" class=""><div class=""><blockquote type="cite" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">Nov 06 01:30:54 corosync [TOTEM ] Retransmit List: 96 97<br class="">Nov 06 01:30:56 corosync [TOTEM ] Retransmit List: 96 97<br class="">Nov 06 01:30:57 corosync [TOTEM ] Retransmit List: 96 97<br class="">Nov 06 01:30:59 corosync [TOTEM ] Retransmit List: 96 97<br class="">Nov 06 01:31:01 corosync [TOTEM ] Retransmit List: 96 97<br class=""></blockquote><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">This means something is blocking successful delivery of packets. Make sure to:</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">- Properly configure firewall (for testing you can disable it completely)</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">- Make sure you have properly configured multicast. As alternative, you can try udpu. Udpu is usually better compatible with switches and for two node use case performance is same.</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""></div></blockquote></div>Thanks, though got no FW between VM nodes, and multicast should be working too:<div class=""><br class=""></div><div class=""><div class="">[root@afnA ~]# iptables -L</div><div class="">Chain INPUT (policy ACCEPT)</div><div class="">target prot opt source destination </div><div class=""><br class=""></div><div class="">Chain FORWARD (policy ACCEPT)</div><div class="">target prot opt source destination </div><div class=""><br class=""></div><div class="">Chain OUTPUT (policy ACCEPT)</div><div class="">target prot opt source destination </div><div class="">[root@afnA ~]# omping afnB afnA</div><div class="">afnB : waiting for response msg</div><div class="">afnB : joined (S,G) = (*, 232.43.211.234), pinging</div><div class="">afnB : unicast, seq=1, size=69 bytes, dist=0, time=0.265ms</div><div class="">afnB : unicast, seq=2, size=69 bytes, dist=0, time=0.342ms</div><div class="">afnB : multicast, seq=2, size=69 bytes, dist=0, time=0.443ms</div><div class="">afnB : unicast, seq=3, size=69 bytes, dist=0, time=0.517ms</div><div class="">afnB : multicast, seq=3, size=69 bytes, dist=0, time=0.590ms</div><div class="">afnB : unicast, seq=4, size=69 bytes, dist=0, time=0.349ms</div><div class="">afnB : multicast, seq=4, size=69 bytes, dist=0, time=0.435ms</div><div class="">afnB : unicast, seq=5, size=69 bytes, dist=0, time=0.361ms</div><div class="">afnB : multicast, seq=5, size=69 bytes, dist=0, time=0.448ms</div><div class="">afnB : unicast, seq=6, size=69 bytes, dist=0, time=0.277ms</div><div class="">afnB : multicast, seq=6, size=69 bytes, dist=0, time=0.343ms</div><div class="">afnB : unicast, seq=7, size=69 bytes, dist=0, time=0.302ms</div><div class="">afnB : multicast, seq=7, size=69 bytes, dist=0, time=0.402ms</div><div class="">^C</div><div class="">afnB : unicast, xmt/rcv/%loss = 7/7/0%, min/avg/max/std-dev = 0.265/0.345/0.517/0.084</div><div class="">afnB : multicast, xmt/rcv/%loss = 7/6/14% (seq>=2 0%), min/avg/max/std-dev = 0.343/0.444/0.590/0.082</div><div class="">[root@afnA ~]# </div></div><div class=""><br class=""></div><div class="">also corosync should be okay ImHO:</div><div class=""><br class=""></div><div class=""><div class="">[root@afnA ~]# corosync-quorumtool -l</div><div class="">Nodeid Name</div><div class=""> 1 afnA.mxi.tdcfoo</div><div class=""> 2 afnB.mxi.tdcfoo</div></div><div class="">[root@afnA ~]# corosync-quorumtool -s</div><div class=""><div class="">Version: 1.4.7</div><div class="">Nodes: 2</div><div class="">Ring ID: 208</div><div class="">Quorum type: quorum_cman</div><div class="">Quorate: Yes</div><div class=""><br class=""></div><div class="">[root@afnA ~]# pcs status</div><div class="">Cluster name: afn-cluster</div><div class="">Last updated: Fri Nov 6 08:57:57 2015</div><div class="">Last change: Fri Nov 6 02:47:33 2015</div><div class="">Stack: cman</div><div class="">Current DC: afna - partition with quorum</div><div class="">Version: 1.1.11-97629de</div><div class="">2 Nodes configured</div><div class="">0 Resources configured</div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">Online: [ afna ]</div><div class="">OFFLINE: [ afnb ]</div><div class=""><br class=""></div><div class="">Full list of resources:</div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">[root@afnA ~]# </div></div></body></html>