<div dir="ltr"><div>hi stefan,</div><div> </div><div>it seems that's more stable but after 2 minute the issue is back again.</div><div>hopefully isn't a bug because it can reproduce it</div><div>node2 sents only unicast at sequenz 256... </div>
<div> </div><div>node1</div><div><font color="#000000" size="3" face="Times New Roman">
</font><p style="margin:0cm 0cm 0pt"><font face="Calibri"><font size="3"><font color="#000000">omping 10.0.0.22 10.0.0.21</font></font></font></p><font color="#000000" size="3" face="Times New Roman">
</font><p style="margin:0cm 0cm 0pt"><font color="#000000" size="3" face="Calibri"> </font></p><font color="#000000" size="3" face="Times New Roman">
</font><p style="margin:0cm 0cm 0pt"><font face="Calibri"><font size="3"><font color="#000000">10.0.0.22 :<span>
</span>unicast, seq=257, size=69 bytes, dist=0, time=0.666ms</font></font></font></p><font color="#000000" size="3" face="Times New Roman">
</font><p style="margin:0cm 0cm 0pt"><font face="Calibri"><font size="3"><font color="#000000">10.0.0.22 : multicast, seq=257, size=69 bytes, dist=0,
time=0.677ms</font></font></font></p><font color="#000000" size="3" face="Times New Roman">
</font><p style="margin:0cm 0cm 0pt"><font face="Calibri"><font size="3"><font color="#000000">10.0.0.22 :<span>
</span>unicast, seq=258, size=69 bytes, dist=0, time=0.600ms</font></font></font></p><font color="#000000" size="3" face="Times New Roman">
</font><p style="margin:0cm 0cm 0pt"><font face="Calibri"><font size="3"><font color="#000000">10.0.0.22 : multicast, seq=258, size=69 bytes, dist=0,
time=0.610ms</font></font></font></p><font color="#000000" size="3" face="Times New Roman">
</font><p style="margin:0cm 0cm 0pt"><font face="Calibri"><font size="3"><font color="#000000">10.0.0.22 :<span>
</span>unicast, seq=259, size=69 bytes, dist=0, time=0.693ms</font></font></font></p><font color="#000000" size="3" face="Times New Roman">
</font><p style="margin:0cm 0cm 0pt"><font face="Calibri"><font size="3"><font color="#000000">10.0.0.22 : multicast, seq=259, size=69 bytes, dist=0,
time=0.702ms</font></font></font></p><font color="#000000" size="3" face="Times New Roman">
</font><p style="margin:0cm 0cm 0pt"><font face="Calibri"><font size="3"><font color="#000000">10.0.0.22 :<span>
</span>unicast, seq=260, size=69 bytes, dist=0, time=0.674ms</font></font></font></p><font color="#000000" size="3" face="Times New Roman">
</font><p style="margin:0cm 0cm 0pt"><font face="Calibri"><font size="3"><font color="#000000">10.0.0.22 : multicast, seq=260, size=69 bytes, dist=0,
time=0.685ms</font></font></font></p><font color="#000000" size="3" face="Times New Roman">
</font><p style="margin:0cm 0cm 0pt"><font face="Calibri"><font size="3"><font color="#000000">10.0.0.22 :<span> </span><span> </span>unicast, seq=261, size=69 bytes, dist=0,
time=0.658ms</font></font></font></p><font color="#000000" size="3" face="Times New Roman">
</font><p style="margin:0cm 0cm 0pt"><font face="Calibri"><font size="3"><font color="#000000">10.0.0.22 : multicast, seq=261, size=69 bytes, dist=0,
time=0.669ms</font></font></font></p><font color="#000000" size="3" face="Times New Roman">
</font><p style="margin:0cm 0cm 0pt"><font face="Calibri"><font size="3"><font color="#000000">10.0.0.22 :<span>
</span>unicast, seq=262, size=69 bytes, dist=0, time=0.834ms</font></font></font></p><font color="#000000" size="3" face="Times New Roman">
</font><p style="margin:0cm 0cm 0pt"><font face="Calibri"><font size="3"><font color="#000000">10.0.0.22 : multicast, seq=262, size=69 bytes, dist=0,
time=0.845ms</font></font></font></p><font color="#000000" size="3" face="Times New Roman">
</font><p style="margin:0cm 0cm 0pt"><font face="Calibri"><font size="3"><font color="#000000">10.0.0.22 :<span>
</span>unicast, seq=263, size=69 bytes, dist=0, time=0.666ms</font></font></font></p><font color="#000000" size="3" face="Times New Roman">
</font><p style="margin:0cm 0cm 0pt"><font face="Calibri"><font size="3"><font color="#000000">10.0.0.22 : multicast, seq=263, size=69 bytes, dist=0,
time=0.677ms</font></font></font></p><font color="#000000" size="3" face="Times New Roman">
</font><p style="margin:0cm 0cm 0pt"><font face="Calibri"><font size="3"><font color="#000000">10.0.0.22 :<span>
</span>unicast, seq=264, size=69 bytes, dist=0, time=0.675ms</font></font></font></p><font color="#000000" size="3" face="Times New Roman">
</font><p style="margin:0cm 0cm 0pt"><font face="Calibri"><font size="3"><font color="#000000">10.0.0.22 : multicast, seq=264, size=69 bytes, dist=0,
time=0.687ms</font></font></font></p><font color="#000000" size="3" face="Times New Roman">
</font><p style="margin:0cm 0cm 0pt"><font face="Calibri"><font size="3"><font color="#000000">10.0.0.22 : waiting for response msg</font></font></font></p><font color="#000000" size="3" face="Times New Roman">
</font><p style="margin:0cm 0cm 0pt"><font face="Calibri"><font size="3"><font color="#000000">10.0.0.22 : server told us to stop</font></font></font></p><font color="#000000" size="3" face="Times New Roman">
</font><p style="margin:0cm 0cm 0pt"><font face="Calibri"><font size="3"><font color="#000000">^C</font></font></font></p><font color="#000000" size="3" face="Times New Roman">
</font><p style="margin:0cm 0cm 0pt"><font face="Calibri"><font size="3"><font color="#000000">10.0.0.22 :<span>
</span>unicast, xmt/rcv/%loss = 264/264/0%, min/avg/max/std-dev =
0.542/0.663/0.860/0.035</font></font></font></p><font color="#000000" size="3" face="Times New Roman">
</font><p style="margin:0cm 0cm 0pt"><font face="Calibri"><font size="3"><font color="#000000">10.0.0.22 : multicast, xmt/rcv/%loss = 264/264/0%,
min/avg/max/std-dev = 0.553/0.675/0.876/0.035</font></font></font></p><font color="#000000" size="3" face="Times New Roman">
</font></div><div> </div><div>node2:</div><div> </div><div>10.0.0.21 : multicast, seq=251, size=69 bytes, dist=0, time=0.703ms<br>10.0.0.21 : unicast, seq=252, size=69 bytes, dist=0, time=0.714ms<br>10.0.0.21 : multicast, seq=252, size=69 bytes, dist=0, time=0.725ms<br>
10.0.0.21 : unicast, seq=253, size=69 bytes, dist=0, time=0.662ms<br>10.0.0.21 : multicast, seq=253, size=69 bytes, dist=0, time=0.672ms<br>10.0.0.21 : unicast, seq=254, size=69 bytes, dist=0, time=0.662ms<br>10.0.0.21 : multicast, seq=254, size=69 bytes, dist=0, time=0.673ms<br>
10.0.0.21 : unicast, seq=255, size=69 bytes, dist=0, time=0.668ms<br>10.0.0.21 : multicast, seq=255, size=69 bytes, dist=0, time=0.679ms<br>10.0.0.21 : unicast, seq=256, size=69 bytes, dist=0, time=0.674ms<br>10.0.0.21 : multicast, seq=256, size=69 bytes, dist=0, time=0.687ms<br>
10.0.0.21 : unicast, seq=257, size=69 bytes, dist=0, time=0.618ms<br>10.0.0.21 : unicast, seq=258, size=69 bytes, dist=0, time=0.659ms<br>10.0.0.21 : unicast, seq=259, size=69 bytes, dist=0, time=0.705ms<br>10.0.0.21 : unicast, seq=260, size=69 bytes, dist=0, time=0.682ms<br>
10.0.0.21 : unicast, seq=261, size=69 bytes, dist=0, time=0.760ms<br>10.0.0.21 : unicast, seq=262, size=69 bytes, dist=0, time=0.665ms<br>10.0.0.21 : unicast, seq=263, size=69 bytes, dist=0, time=0.711ms<br>^C<br>10.0.0.21 : unicast, xmt/rcv/%loss = 263/263/0%, min/avg/max/std-dev = 0.539/0.661/0.772/0.037<br>
10.0.0.21 : multicast, xmt/rcv/%loss = 263/256/2%, min/avg/max/std-dev = 0.583/0.674/0.786/0.033</div><div> </div><div> </div></div><div class="gmail_extra"><br><br><div class="gmail_quote">2014-02-14 9:59 GMT+01:00 Stefan Bauer <span dir="ltr"><<a href="mailto:stefan.bauer@cubewerk.de" target="_blank">stefan.bauer@cubewerk.de</a>></span>:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto"><div>you have to disable all offloading features (rx, tx, tso...)<div><br><br>Mit freundlichen Grüßen<div>
<br></div><div>Stefan Bauer</div><div>-- </div><div>Cubewerk GmbH</div><div>Herzog-Otto-Straße 32</div><div>83308 Trostberg</div><div>08621 - 99 60 237</div><div>HRB 22195 AG Traunstein</div><div>GF Stefan Bauer</div></div>
</div><div><br>Am 14.02.2014 um 09:40 schrieb "Beo Banks" <<a href="mailto:beo.banks@googlemail.com" target="_blank">beo.banks@googlemail.com</a>>:<br><br></div><div><div class="h5"><blockquote type="cite">
<div><div dir="ltr"><div>ethtool -K eth0 tx off</div><div>ethtool -K eth1 tx off</div><div> </div><div>same result...retransmit issue</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">2014-02-14 9:31 GMT+01:00 Beo Banks <span dir="ltr"><<a href="mailto:beo.banks@googlemail.com" target="_blank">beo.banks@googlemail.com</a>></span>:<br>
<blockquote style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid" class="gmail_quote"><div dir="ltr"><div>i have also try </div><div> </div><div>
"No more delay when you disable multicast snooping on the host:"<br>
<br>
echo 0 > /sys/devices/virtual/net/br1/bridge/multicast_router</div><div>echo 0
> /sys/devices/virtual/net/br1/bridge/multicast_snooping
</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">2014-02-14 9:28 GMT+01:00 Beo Banks <span dir="ltr"><<a href="mailto:beo.banks@googlemail.com" target="_blank">beo.banks@googlemail.com</a>></span>:<div>
<div><br>
<blockquote style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid" class="gmail_quote"><div dir="ltr"><div>@jan and stefan</div><div> </div><div>
must i set it for both bridges </div><div>eth1 (br1) eth0 (br0) on the host or guest ?</div>
</div><div class="gmail_extra"><br><br><div class="gmail_quote">2014-02-14 9:06 GMT+01:00 Jan Friesse <span dir="ltr"><<a href="mailto:jfriesse@redhat.com" target="_blank">jfriesse@redhat.com</a>></span>:<div><div>
<br>
<blockquote style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid" class="gmail_quote">Beo,<br>
do you experiencing cluster split? If answer is no, then you don't need to do anything. Maybe network buffer is just filled. But, if answer is yes, try reduce mtu size (netmtu in configuration) to value like 1000.<br>
<br>
Regards,<br>
Honza<br>
<br>
Beo Banks napsal(a):<br>
<blockquote style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid" class="gmail_quote"><div><div>
Hi,<br>
<br>
i have a fresh 2 node cluster (kvm host1 -> guest = nodeA | kvm host2 -><br>
guest = NodeB) and it seems to work but from time to time i have a lot of<br>
errors like<br>
<br>
Feb 13 13:41:04 corosync [TOTEM ] Retransmit List: 196 198 184 185 186 187<br>
188 189 18a 18b 18c 18d 18e 18f 190 191 192 193 194 195 197 199<br>
Feb 13 13:41:04 corosync [TOTEM ] Retransmit List: 197 199 184 185 186 187<br>
188 189 18a 18b 18c 18d 18e 18f 190 191 192 193 194 195 196 198<br>
Feb 13 13:41:04 corosync [TOTEM ] Retransmit List: 196 198 184 185 186 187<br>
188 189 18a 18b 18c 18d 18e 18f 190 191 192 193 194 195 197 199<br>
Feb 13 13:41:04 corosync [TOTEM ] Retransmit List: 197 199 184 185 186 187<br>
188 189 18a 18b 18c 18d 18e 18f 190 191 192 193 194 195 196 198<br>
Feb 13 13:41:04 corosync [TOTEM ] Retransmit List: 196 198 184 185 186 187<br>
188 189 18a 18b 18c 18d 18e 18f 190 191 192 193 194 195 197 199<br>
Feb 13 13:41:04 corosync [TOTEM ] Retransmit List: 197 199 184 185 186 187<br>
188 189 18a 18b 18c 18d 18e 18f 190 191 192 193 194 195 196 198<br>
i used the newest rhel 6.5 version.<br>
<br>
i have also already try solve the issue with<br>
echo 1 > /sys/class/net/virbr0/bridge/<u></u>multicast_querier (host system)<br>
but no chance...<br>
<br>
i have disable iptables,selinux..same issue<br>
<br>
how can solve it?<br>
<br>
thanks beo<br>
<br>
<br>
<br></div></div><div>
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