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xen-users
Re: [Xen-users] NIC bonding
On 29 Jan 2007 at 23:11, Tim Post wrote:
> On Mon, 2007-01-29 at 13:45 +0100, Ulrich Windl wrote:
> > 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.
> >
>
> Do you happen to have a link to those? I have been digging on the Xen
> wiki but haven't seen much, and didn't see mention of it in the 3.0.3
> docs.
It's Linux, not XEN: Look for "bonding.txt" in either the Linux sources, or in
the
Internet via Google or so.
>
> If I'm simply snowblind after looking for it and missing the obvious so
> many times, please be kind enough to nudge me in the right direction :)
>
> Thanks,
> --Tim
>
> > 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
> >
> >
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-users
>
>
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