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xen-users
Re: [Xen-users] NIC bonding
On 27 Jan 2007 at 17:06, Dick Kniep wrote:
> Hi list,
>
> We have some IBM xSeries with 2 NIC's. To make sure we have hardware failover
> and extra communication capacity, we want to bond the NIC's. So we did the
> following:
In paravirtualization you lack functionality of ethtool (at least most of).
Thus
you are restricted to bonding modes that don't need ethtool capabilities. See
the
bonding docs.
Regards,
Ulrich
>
> Added in /rws/etc/sysconfig/network-scripts/ifcfg-bond0
>
> containing:
> -----snip------
> DEVICE=bond0
> BOOTPROTO=none
> ONBOOT=yes
> TYPE=Ethernet
> NETMASK=255.255.255.0
> IPADDR=192.168.200.31
> GATEWAY=192.168.200.1
> USERCTL=no
> PEERDNS=no
> check_link_down() { return 1 ; }~
> -----snip------
>
> We modified ifcfg-eth0 and ifcfg-eth1 to
>
> -----snip------
> DEVICE=eth0
> BOOTPROTO=none
> HWADDR=00:0d:60:eb:84:1a
> ONBOOT=yes
> TYPE=Ethernet
> NETMASK=255.255.255.0
> IPADDR=192.168.200.53
> GATEWAY=192.168.200.1
> PEERDNS=yes
> ### Bonding of Nics
> MASTER=bond0
> SLAVE=yes
> USERCTL=no
> check_link_down() { return 1 ; }
> -----snip------
>
> Next we loaded bonding by
>
> modprobe bond0.
>
> The the following messages appear:
> Jan 27 10:51:46 CVix02 kernel: Ethernet Channel Bonding Driver: v3.0.1
> (January 9, 2006)
> Jan 27 10:51:46 CVix02 kernel: bonding: In ALB mode you might experience
> client disconnections upon reconnection of a link if the bonding module
> updelay parameter (0 msec) is incompatible with the forwarding delay time of
> the switch
> Jan 27 10:51:46 CVix02 kernel: bonding: MII link monitoring set to 1000 ms
> Jan 27 10:51:57 CVix02 kernel: bonding: bond0: Error: dev_set_mac_address of
> dev eth0 failed! ALB mode requires that the base driver support setting the
> hw address also when the network device's interface is open
> Jan 27 10:51:57 CVix02 kernel: bonding: bond0: Error: dev_set_mac_address of
> dev eth0 failed! ALB mode requires that the base driver support setting the
> hw address also when the network device's interface is open
> Jan 27 10:51:57 CVix02 kernel: bonding: bond0: Error: dev_set_mac_address of
> dev eth1 failed! ALB mode requires that the base driver support setting the
> hw address also when the network device's interface is open
> Jan 27 10:51:57 CVix02 kernel: bonding: bond0: Error: dev_set_mac_address of
> dev eth1 failed! ALB mode requires that the base driver support setting the
> hw address also when the network device's interface is open
> Jan 27 10:56:01 CVix02 net.agent[19216]: remove event not handled
> Jan 27 10:56:01 CVix02 net.agent[19235]: remove event not handled
>
> Obviously there is an error in the setting of the mac_address when the
> interface is open. This is supposed to be a kernel configuration. I hope
> there is no need to rebuild the kernel for this?
>
> If anyone has seen this error before and knows a cure I would be a very happy
> man......
>
> D.Kniep
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
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