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On Fri, Jun 18, 2004 at 12:02:37PM -0700, Peter Mueller wrote:
> > In my system. some problems can be seen in the condition of
> > "nice_failback on", as mentioned below.
>
> You've already noted the syntax change, but just wanted to stress it :).
> http://wiki.trick.ca/linux-ha/ha.cf/AutoFailbackDirective
>
> > 1)eth0:0 comes up on the both Active and Backup Servers.
>
> Sounds like they lost communication and went split-brain. If you want
> to find out exactly what went wrong you should post your ha-logs and
> configs to the linux-ha list. I'm positive there are split-brain
> scenarios that were fixed from 1.04 -> 1.2, so that's the option I would
> choose.
>
> > 2)Gratuitous arp are not broadcasted when failover.
> > (I checked many times using tcpdump)
>
> There are a few ARP bugs fixed in 1.2. I know it broadcasts on my 1.2,
> but I'm pretty sure it did for my 1.04 too.
>
> > To confirm whether it is my mis-configuration, I had tested
> > same config
> > files on my friend's system (heartbeat version 1.2.0-4,
> > auto_failback off). Actually, it works quite well.
>
> 1.2 seems more stable to me in my usage. I think Alan Robertson and
> Horms (builds Debian packages) stressed that this version was
> recommended.
>
> > Are these problems are typical in heartbeat 1.0.4?
> > Is there any solution other than update heartbeat?
> > Should I update it at any cost?
>
> Yes, there are a few problems with 1.0.4. I don't know about any cost.
> But in your situation -- split brain and arp -- it would make sense to
> upgrade. There was definitely at least one split-brain bugfix, and
> there were many others such as arp fixes. I think if you look at the
> linux-ha changelog you will find the details.
> http://www.linux-ha.org/download/ChangeLog
Yes, there are some problems with 1.0.4. Though I am not entirely
sure what is causing the problem here. In any case if 1.2.X works
for you, go for it.
--
Horms
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