No bridging at all.
I'm told the switch is a SMC 8824M with all setting as factory defaults.

On Thu, Jul 30, 2009 at 6:07 PM, Steven Dake<[email protected]> wrote:
> xen bridging enabled?  OpenAIS starts before xen bridging starts?  This
> has been a problem...
>
> Regards
> -steve
>
> On Thu, 2009-07-30 at 14:54 +0200, Andrew Beekhof wrote:
>> Steve, I've been able to reproduce this reliably _without_ Pacemaker
>> being involved.
>>
>> Attached are the two openais log files.
>>
>> Scenario:
>>
>> t0: hikari and hikari2 are up and can see each other
>> t1: Powercycle hikari2
>> t2: hikari2 comes up
>> t3: ping confirms that hikari2 can contact hikari
>>      I modified the openais init script to run: ping -c 10 hikari >
>> afile
>> t4: hikari2 starts openais
>> t5: hikari starts producing membership events every 3s but does not
>> form a membership with hikari2
>> t6: hikari2 forms a membership by itself
>> t7: (about 1 or 2 minutes after t6, it varies) hikari and hikari2 form
>> a combined membership
>>
>> The strangest part of this, is that hikari2 must reboot in order to
>> trigger this behavior.
>> Stopping or killing aisexec and then starting it again is not
>> sufficient.
>>
>> Do you want to continue the discussion here or move to bugzilla?
>>
>>
>> On Jul 21, 2009, at 1:49 PM, Lars Marowsky-Bree wrote:
>>
>> > On 2009-06-30T12:27:33, Andrew Beekhof <[email protected]> wrote:
>> >
>> >> I'm working with a cluster that's having trouble reforming.
>> >> Before I explain, here is the totem section (which is the same on
>> >> both
>> >> nodes, except for the nodeid).
>> >
>> > Hi all, Steven,
>> >
>> > this problem persist. After a reboot, we sometimes see memberships not
>> > reforming - for example, A B C D E, C & D reboot, we end up with A-B-E
>> > and C-D or C / D by themselves or some other really weird membership.
>> >
>> > The problem persist with latest whitetank. Occassionally it seems that
>> > one of the dlm_controld processes seems to be hogging IPC (which seems
>> > to be quite affecting the rest of the system), but this isn't always
>> > the
>> > case.
>> >
>> > It is not always reproducible, and the symptoms are, well, weird.
>> >
>> > Has anyone else ever seen this?
>> >
>> >
>> >
>> > Regards,
>> >    Lars
>> >
>> > --
>> > Architect Storage/HA, OPS Engineering, Novell, Inc.
>> > SUSE LINUX Products GmbH, GF: Markus Rex, HRB 16746 (AG Nürnberg)
>> > "Experience is the name everyone gives to their mistakes." -- Oscar
>> > Wilde
>> >
>>
>> -- Andrew
>>
>>
>>
>> _______________________________________________
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>> [email protected]
>> https://lists.linux-foundation.org/mailman/listinfo/openais
>
>
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