did you say high end telco systems.......hmm i work at one end and we
use HACMP (for the last 5 years, i have not found any swithcover
porblem)..

but i agree, if you want your system to be updated every other day with
new pathces or new products etc, cluster is very unfriendly.....and
that is the case for any cluster SOFTWARE REALLY....

florian.heigl@gmail.com wrote:
> Actually, all standard failover cluster products I know just 'feel'
> fragile. If You want high reliability, You need to run Your
> applications really parallel, not failing over to another host if the
> current host fails, but run it on all hosts at once, like it's done
> i.e. in high end telco systems. I doubt it's easy to implement, and
> You'll probably be better of by toughening HACMP.
>
> I dare say that because after it I'll point You to
> http://www.infrastructures.org - give it a look, they say they're
> setting up full HACMP clusters in two hours without any manual
> intervention. I think that's robust enough.