[Xen-users] Two network card for domU, but one of them will freeze after a lone time.

To: xen-users@xxxxxxxxxxxxxxxxxxx
From: ma qiang <maqiang1984@xxxxxxxxx>
Date: Thu, 16 Sep 2010 18:33:28 +0800
Delivery-date: Thu, 16 Sep 2010 03:34:54 -0700
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List-id: Xen user discussion <xen-users.lists.xensource.com>

Hi all,

I have install xen 3.4.3 based on centos5.4.

I changed a line in /etc/xen/xend-config.sxp like below:

(network-script network-bridge) ----> (network-script my-network-bridge)

and #cat /etc/xen/scripts/my-network-script prints as below:

#!/bin/sh

/etc/xen/scripts/network-bridge "$@" netdev=eth0 bridge=eth0

/etc/xen/scripts/network-bridge "$@" netdev=eth1 bridge=eth1

My domU's config file prints as below:

kernel = "/usr/lib/xen/boot/hvmloader"

builder = 'hvm'

name = "test"

memory = 3000

disk = [ 'phy:VolGroup00/myvmlv01,hda,w', 'file:/root/os/Centos.iso,hdc:cdrom,r' ]

vif = [ 'type=ioemu, bridge=eth0', 'type=ioemu, bridge=eth1' ]

vcpus=4

boot='cd'

sdl=0

vnc=1

vnclisten="0.0.0.0"

vncdisplay=11

stdvga=0

serial='pty'

usbdevice='tablet'

After type xm create this config, I installed centos5.4 in the domU. Then eth0 connect to in-house network, eth1 connect to Internet.

After several hours, I can't ping the eth1's Internet IP, like the domU disppears.

But when I ping the eth0's internal IP, that will connect successfully, and after that I can ping the eth1's IP again.

That why? How to resolve?

Thanks a lot.

Best Wishes!

Qiang Ma

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