Re: [Users] Abysmal network performance inside hypervisor node

Wed, 11 Dec 2013 05:49:49 -0800 

> Von: [email protected] [[email protected]]" im 
> Auftrag von "
> Gesendet: Mittwoch, 11. Dezember 2013 14:43
> An: Markus Stockhausen
> Cc: ovirt-users
> Betreff: Re: [Users] Abysmal network performance inside hypervisor node
> 
> I'm just wondering if the tested interfaces are bridged because I've
> seen some issues with
> network througput and bridged interfaces on my local system (F19).
> 
> Basically, if an IP is configured on the bridge itself ( in oVirt this
> is the case if the network
> is configured as a VM network ) latency goes up and throughput goes down.
> 
> Can you rule this one out by using an unbridged interface?

I see. But my storage infiniband network is working without a bridge.
That was the mounting network device of my initial mail. So with
(ovirtmgmt) and without bridge (infiniband) I have the same problem.

[root@colovn01 ~]# ifconfig ib1
ib1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 2044
        inet 10.10.30.1  netmask 255.255.255.0  broadcast 10.10.30.255
        inet6 fe80::223:7dff:ff94:d3fe  prefixlen 64  scopeid 0x20<link>
Infiniband hardware address can be incorrect! Please read BUGS section in 
ifconfig(8).
        infiniband 80:00:00:49:FE:80:00:00:00:00:00:00:00:00:00:00:00:00:00:00  
txqueuelen 256  (InfiniBand)
        RX packets 3575120  bytes 7222538528 (6.7 GiB)
        RX errors 0  dropped 10  overruns 0  frame 0
        TX packets 416942  bytes 29156648 (27.8 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

Markus

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