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.
But for my own, I have several single kvm hosts that support bridge over
bonding in mode 0 and vms run fine on it...
So, someone can share his experience about this kind of detail?
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.
Le 19/03/2015 03:57, Dan Yasny a écrit :
Mode 0 is not supported under a bridge, just like mode 6
On Wed, Mar 18, 2015 at 10:47 PM, Xie, Chao <xiec.f...@cn.fujitsu.com
<mailto:xiec.f...@cn.fujitsu.com>> wrote:
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?
*发 件人:*users-boun...@ovirt.org <mailto:users-boun...@ovirt.org>
[mailto:users-boun...@ovirt.org <mailto:users-boun...@ovirt.org>]
*代 表 *Alex Crow
*发 送时间:*2015年3月19日0:25
*收件人:*users@ovirt.org <mailto:users@ovirt.org>
*主题:*Re: [ovirt-users] bonding 802.3ad mode
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.
Alex
On 18/03/15 16:17, Nathanaël Blanchet wrote:
Hi all,
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:
"Host siple has network interface which exceeded the defined
threshold [95%] (em3: transmit rate[0%], receive rate [100%])"
It seems that the second nic never works while the first one
is overloaded.
Is it an expected behaviour? I believed that the flow was
balanced between the two interfaces in 802.3ad mode.
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