<div dir="ltr"><div><div>After i deleted 2 instances: 10.2.1.10 & 10.2.1.12<br></div>The Dnsmasq's hosts file is:<br><span style="font-family:courier new,monospace">fa:16:3e:01:d1:70,10-2-1-1.openstacklocal,10.2.1.1<br>
fa:16:3e:71:6a:4e,10-2-1-11.openstacklocal,10.2.1.11<br><b>fa:16:3e:cf:0f:c1,10-2-1-12.openstacklocal,10.2.1.12</b> <b><span style="color:rgb(255,0,0)"><span style="font-family:arial,helvetica,sans-serif"><-- still exist, problem?!</span></span></b><br>
fa:16:3e:35:a1:72,10-2-1-9.openstacklocal,10.2.1.9</span><br><br></div>BR,<br></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Fri, Aug 2, 2013 at 4:27 PM, Chu Duc Minh <span dir="ltr"><<a href="mailto:chu.ducminh@gmail.com" target="_blank">chu.ducminh@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div>Hi, i have the same problem when create -> terminate -> create instances.<br></div>This problem only occur when the new instances have the same IP as deleted instances.<br>
</div><div><br>I check the dnsmasq's host file /var/lib/quantum/dhcp/dbc59888-e2be-4b31-b579-0a4575159bb1/host,<br>
</div><div>sometimes it's not update.<br></div><div><br>I think this problem maybe not only related to Dnsmasq, it may related to firewall rules (generated by Quantum) on compute-node too. Because i see some dropped DHCP packet:<br>
<span style="font-family:courier new,monospace">Aug 2 14:08:11 thor-compute-03 kernel: [95971.005423] IN=qbr23c67719-14 OUT=qbr23c67719-14 PHYSIN=qvb23c67719-14 PHYSOUT=tap23c67719-<br>14 MAC=ff:ff:ff:ff:ff:ff:fa:16:3e:34:72:05:08:00 SRC=0.0.0.0 DST=255.255.255.255 LEN=328 TOS=0x10 PREC=0x00 TTL=128 ID=0 <b>PROTO=UDP SPT=68 DPT=67</b> LEN=308 <br>
</span></div><div><span style="font-family:courier new,monospace">(DHCP Discovery packet?)<br></span></div><div><span style="font-family:courier new,monospace"></span></div><div>It dropped in chain quantum-openvswi-sg-fallback, then instance can't get IP. Although in Dashboard i see instance got IP.<br>
<br></div><div>I tried many times, and got a strange case: duplicate IP in Dnsmasq's host file: <br><span style="font-family:courier new,monospace">fa:16:3e:01:d1:70,10-2-1-1.openstacklocal,10.2.1.1<br>fa:16:3e:71:6a:4e,10-2-1-11.openstacklocal,10.2.1.11<br>
<b>fa:16:3e:78:b5:2f,10-2-1-10.openstacklocal,10.2.1.10</b><br>fa:16:3e:35:a1:72,10-2-1-9.openstacklocal,10.2.1.9<br>fa:16:3e:cf:0f:c1,10-2-1-12.openstacklocal,10.2.1.12<br><b>fa:16:3e:c7:ea:0c,10-2-1-10.openstacklocal,10.2.1.10</b></span><br>
<br></div><div>My newest instance is <span style="font-family:courier new,monospace"><b>10.2.1.10</b><font face="arial,helvetica,sans-serif">, and I can't ping it. In boot log of this instance, i found:<br></font></span><pre>
cloudinitnonet waiting 120 seconds for a network device.
cloudinitnonet gave up waiting for a network device.
ciinfo: lo : 1 127.0.0.1 255.0.0.0 .
ciinfo: eth0 : 1 . . fa:16:3e:c7:ea:0c
route_info failed</pre></div><div>Restart instance didn't make it work, but restart quantum-dhcp-agent on Quantum-node make it work.<br></div><div>After restart, content of Dnsmasq's host file is:<br><span style="font-family:courier new,monospace">fa:16:3e:01:d1:70,10-2-1-1.openstacklocal,10.2.1.1<br>
fa:16:3e:71:6a:4e,10-2-1-11.openstacklocal,10.2.1.11<br>fa:16:3e:cf:0f:c1,10-2-1-12.openstacklocal,10.2.1.12<br>fa:16:3e:35:a1:72,10-2-1-9.openstacklocal,10.2.1.9<br><b>fa:16:3e:c7:ea:0c,10-2-1-10.openstacklocal,10.2.1.10</b></span><br>
<br></div><div>I think it a serious problem, hope someone could fix it soon.. :)<br><br>Best Regards,<br></div></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Jul 2, 2013 at 8:01 PM, James Page <span dir="ltr"><<a href="mailto:james.page@ubuntu.com" target="_blank">james.page@ubuntu.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div>On 20/05/13 07:51, Heinonen, Johanna (NSN - FI/Espoo) wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hi,<br>
I have installed grizzly with quantum and ovs-plugin. It seems that<br>
grizzly allocates the third address of each subnet for dhcp. (In folsom<br>
it was the second address). This means that the VMs will get addresses<br>
</blockquote>
<br></div>
This sound alot like <a href="https://bugs.launchpad.net/ubuntu/+source/quantum/+bug/1189909" target="_blank">https://bugs.launchpad.net/<u></u>ubuntu/+source/quantum/+bug/<u></u>1189909</a>; I'll raise a task for dnsmasq as well.<br>
<br>
Cheers<span><font color="#888888"><br>
<br>
James<br>
<br>
-- <br>
James Page<br>
Ubuntu Core Developer<br>
Debian Maintainer<br>
<a href="mailto:james.page@ubuntu.com" target="_blank">james.page@ubuntu.com</a></font></span><div><div><br>
<br>
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