[rhelv6-list] Question about fence device network?

[Digimer]

On 08/18/2011 10:30 PM, Kitae Kim wrote:
> Hello,
> 
> I try to build Redhat H/A system, following Cluster Administration guide.
> 
> My Question is about fencing network. (ex, HP iLo)
> 
> Some Engineer said fencing network, should use gigabit switch.
> I think more effective system fencing network  should separated from service netwrok.
> 
> Fencing network is very import for stable service and control H/A system, but
> I think 100Mb/s is enough speed for fencing network, isn't it?
> or should I use 1 Gigabit network?
> 
> Thanks

The speed of the network doesn't really matter. It's useful to have the
fencing on a *separate* network, as it would allow for the fencing of a
node (and thus allow recovery to begin) when there is a network error
that breaks cluster communications. This is mainly a 2-node issue though.

-- 
Digimer
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