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Re: [Linux-cluster] Repeated fencing



If one feels brave enough, support for broadcast is back in RHEL 5.4 (if
that's what is being used). 

I have used with very good results, although it is not officially
supported.

CR.

On Wed, 2010-02-24 at 15:38 -0300, Carlos Maiolino wrote: 
> On Wed, Feb 24, 2010 at 03:53:33PM +0100, Dirk H. Schulz wrote:
> > As far as I recall the docs say a switch is needed that is capable
> > of IGMP etc. There must be issues with cross cables, if that is
> > correct.
> > 
> > I did not investigate further and took an old cisco 2950 (you can by
> > masses of used ones on ebay very cheap) and configured it according
> > to docs.
> > 
> > To avoid the switch being the SPOF you can use 2 3750s with extended
> > image, they can use LACP to bond links connected to both of them.
> > That gets a bit more expensive then, admittedly, but even those
> > should be available on ebay.
> > 
> > Dirk
> > 
> 
> I don't know if IGMP is strict necessary, I don't know much about IGMP to be honest, but Is a must switch can work with multicast, it's how the corosync works.please someone corect me if I'm wrong =].
> 

-- 
Cleber Rosa 
Solutions Architect - Red Hat, Inc.
Mobile: +55 61 9185.3454


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