[Linux-HA] error code 139

[Andrew Beekhof]

On Wed, May 21, 2008 at 11:54 AM, Joao Ferreira
<jmcferreira at critical-links.com> wrote:
>
> On Wed, 2008-05-21 at 11:41 +0200, Andrew Beekhof wrote:
>> > BTW: what does the list think about this "move ucasts to Ethernet
>> > frames" change we did ? We simply pick up the original UDP payload and
>> > transmit it with Ethernet frames. On the receivinbg side we pick up the
>> > frame, extract the payload and everything goes fine. We use libpcap for
>> > the L2 manipulations. Any comments ?
>>
>> what was the motivation for this feature?
>
> IP aliasing limitations. Our kernel does not yet support IP alisaing.
> It's on the roadmap but we could not wait for it.

dare one ask what kind of kernel doesn't support IPs?

> So basically we had to use and "IP-ignorant" heartbeat.... our heartbeat
> is totally unaware of IP addresses.... always uses MAC addresses. When
> we need to perform IP take over we use a diferent approach.

did you implement it as a separate comms plugin or some other method?
because if its a new comms plugin we'd probably accept it into the
tree if you're interested