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Hello, thanks for the explanation, but I did'nt find any reason
about incompatibility between mode 0 and bridge... Can you give me
some sources about this? Ovirt doesn't actually allow it, so it must
exist a good reason for that.<br>
But for my own, I have several single kvm hosts that support bridge
over bonding in mode 0 and vms run fine on it...<br>
So, someone can share his experience about this kind of detail?<br>
<br>
ps: ovirt has a field for configuring custom mode whereas mode 0 is
not listed in the predifined list, I didn't make any test, but it
seem to be at least possible.<br>
<br>
<div class="moz-cite-prefix">Le 19/03/2015 03:57, Dan Yasny a
écrit :<br>
</div>
<blockquote
cite="mid:CALLXwb6HyyT-xZ00gw1qKLyd=H6UHf1p6Nw5m1R2e+p+sGaWow@mail.gmail.com"
type="cite">
<div dir="ltr">Mode 0 is not supported under a bridge, just like
mode 6<br>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Wed, Mar 18, 2015 at 10:47 PM,
Xie, Chao <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:xiec.fnst@cn.fujitsu.com" target="_blank">xiec.fnst@cn.fujitsu.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="white" link="blue" vlink="purple"
lang="ZH-CN">
<div>
<p class="MsoNormal"><span
style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1f497d"
lang="EN-US">Yeah, Alex is right. And if you want
to double the network’s speed in single flow, the
mode 0 is only choice. But mode 0 seems not be
supported in oVirt?</span></p>
<p class="MsoNormal"><span
style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1f497d"
lang="EN-US"> </span></p>
<div>
<div style="border:none;border-top:solid #b5c4df
1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:SimSun;color:windowtext">发
件人<span lang="EN-US">:</span></span></b><span
style="font-size:10.0pt;font-family:SimSun;color:windowtext"
lang="EN-US"> <a moz-do-not-send="true"
href="mailto:users-bounces@ovirt.org"
target="_blank">users-bounces@ovirt.org</a>
[mailto:<a moz-do-not-send="true"
href="mailto:users-bounces@ovirt.org"
target="_blank">users-bounces@ovirt.org</a>]
</span><b><span
style="font-size:10.0pt;font-family:SimSun;color:windowtext">代
表 </span>
</b><span
style="font-size:10.0pt;font-family:SimSun;color:windowtext"
lang="EN-US">Alex Crow<br>
</span><b><span
style="font-size:10.0pt;font-family:SimSun;color:windowtext">发
送时间<span lang="EN-US">:</span></span></b><span
style="font-size:10.0pt;font-family:SimSun;color:windowtext"
lang="EN-US"> 2015</span><span
style="font-size:10.0pt;font-family:SimSun;color:windowtext">年<span
lang="EN-US">3</span>月<span lang="EN-US">19</span>日<span
lang="EN-US"> 0:25<br>
</span><b>收件人<span lang="EN-US">:</span></b><span
lang="EN-US"> <a moz-do-not-send="true"
href="mailto:users@ovirt.org"
target="_blank">users@ovirt.org</a><br>
</span><b>主题<span lang="EN-US">:</span></b><span
lang="EN-US"> Re: [ovirt-users] bonding
802.3ad mode</span></span></p>
</div>
</div>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span
lang="EN-US">The balancing on 802.3ad only occurs
for different network flows based on a hash of
source and destination MAC (or can be made to add
IP addresses into the calculation). A single flow
will only use a single NIC in ad mode.<br>
<br>
Alex<br>
<br>
<br>
</span></p>
<div>
<p class="MsoNormal"><span lang="EN-US">On 18/03/15
16:17, Nathanaël Blanchet wrote:</span></p>
</div>
<blockquote
style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal"><span lang="EN-US">Hi all,<br>
<br>
I'm used to create a mode 4 bond0 interface with
two 1 Gb/s interfaces on all my hosts, and
ethtool bond0 gives me a functionnal 2000Mb/s.
However, when importing a vm from the export
domain (NFS with a speed of 4GB/s), I always
have this alert:</span></p>
<div>
<div>
<p class="MsoNormal"
style="margin-bottom:12.0pt"><span
lang="EN-US">"Host siple has network
interface which exceeded the defined
threshold [95%] (em3: transmit rate[0%],
receive rate [100%])"<br>
It seems that the second nic never works
while the first one is overloaded.<br>
Is it an expected behaviour? I believed that
the flow was balanced between the two
interfaces in 802.3ad mode.</span></p>
</div>
</div>
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