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Here you have an information about that bug - it's a known issue in
Keepalived v.1.2.7<br>
<a class="moz-txt-link-freetext" href="https://bugs.launchpad.net/neutron/+bug/1497272">https://bugs.launchpad.net/neutron/+bug/1497272</a><br>
<br>
Regards,<br>
Lubosz<br>
<br>
<div class="moz-cite-prefix">On 01/14/2016 02:27 AM, Ikuo Kumagai
wrote:<br>
</div>
<blockquote
cite="mid:CAENqGMFsmBCc2uzzQVoVL6vfmoXLWm9Vm7id70AsseMhDJKo2g@mail.gmail.com"
type="cite">
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<div><span style="color:rgb(84,84,84);line-height:20.2222px">Hi
All</span></div>
<div><br>
</div>
<div>Could you give me some advice for our problem?</div>
<div><br>
</div>
<div>We use Neutron L3-HA.</div>
<div>When I associate/disassociate floating-ip, the state of ha
keepalived become MASTER/MASTER state. Then </div>
<div>Because at that time,the sending of vrrp packet from MASTER
to BACKUP stop for 40 seconds.</div>
<div><br>
</div>
<div>I checked logs of Keepalived, there is the 40 seconds delay
of between Log ( Initializing ipvs 2.6) and Log (Opening file
~).</div>
<div>
<div>ex is below.</div>
<div>--</div>
<div>Jan 14 09:51:22 stg-anlk-ctrl003
Keepalived_vrrp[1989701]: Initializing ipvs 2.6</div>
<div>Jan 14 09:52:02 stg-anlk-ctrl003
Keepalived_vrrp[1989701]: Opening file
'/var/lib/neutron/ha_confs/666d9e40-a95c-44a1-a876-bf44ca281f3e/keepalived.conf'.<br>
</div>
</div>
<div>
<div>--</div>
</div>
<div><br>
</div>
<div>During this time, the packet of vrrp for MASTER to
BACKUP,so BACKUP changes to MASTER, and then original MASTER
starts sendding vrrp packets again.</div>
<div><br>
</div>
<div>
<div>The versions of our environment is below<br>
</div>
<div>
<div> - Keepalived v1.2.7 (08/14,2013) </div>
<div> - Linux stg-anlk-ctrl003 3.13.0-74-generic #118-Ubuntu
SMP Thu Dec 17 22:52:10 UTC 2015 x86_64 x86_64 x86_64
GNU/Linux<br>
</div>
</div>
</div>
<div><br>
</div>
<div><br>
</div>
<div>We did a adjustement of ha_vrrp_advert_int to avoid this. </div>
<div>But I would like to know why is the term always 40
seconds.</div>
<div><br>
</div>
<div style="">
<div style="">
<div>If you know anything about that please let me know.</div>
<div><br>
</div>
</div>
<div style="color:rgb(84,84,84);line-height:20.2222px"><span
style="line-height:normal;color:rgb(34,34,34)">Regards </span><br>
</div>
</div>
<div>
<div class="gmail_signature">
<div dir="ltr">
<div dir="ltr">
<div>Ikuo Kumagai<br>
</div>
<div><br>
</div>
</div>
</div>
</div>
</div>
</div>
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