[Pacemaker] Does bond0 network interface work with corosync/pacemaker

[Pavlos Parissis]

On 29 September 2010 21:01, Andreas Hofmeister <andi at collax.com> wrote:

>  On 29.09.2010 19:59, Mike A Meyer wrote:
>
> We have two nodes that we have the IP address assigned to a bond0 network
> interface instead of the usual eth0 network interface.  We are wondering if
> there are issues with trying to configure corosync/pacemaker with an IP
> assigned to a bond0 network interface.  We are seeing that
> corosync/pacemaker will start on both nodes, but it doesn't detect other
> nodes in the cluster.  We do have SELinux and the firewall shut off on both
> nodes.  Any information would be helpful.
>
>
> We run the cluster stuff on bonding devices (actually on a VLan on top of a
> bond)  and it works well. We use it in a two-node setup in round-robin mode,
> the nodes are connected back-to-back (i.e. no Switch in between).
>
> If you use bonding over a Switch, check your bonding mode - round-robin
> just won't work. Try LACP if you have connected each node to  a single
> switch or if your Switches support link aggregation over multiple Devices
> (the cheaper ones won't). Try "active-backup" with multiple switches.
>
> To check your configuration, use "ping" and check the "icmp_seq" in the
> replies. If some sequence number is missing, your setup is probably broken.
>
>
It is quite common to connect both interfaces of a bond on the same switch
and then face issues.
Mike you need to tell us a bit more on the layer 2 connectivity and how it
does look like.

We also use active-backup mode on our bond interfaces, but we use 2 switches
and it works without any problem

Cheers,
Pavlos
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