[Klug-general] High Availability - Corosync

[Peter Childs]

On 26 June 2012 19:34, Kevin Groves
<kgroves at ksoft-creative-projects.co.uk>wrote:

>  LOL I've just finished building my Rocks cluster so I can get Blender
> rendering to working. Don't know Corosync, will have to take a look some
> time.
>
> I was going to use my old faithful Mosix cluster but its grown a bit since
> I last used it and well, life is too short so I have gone and got Rocks
> going. Looks good.
>
>
Rocks looks interesting too, completely different sort of "cluster"

I wonder how easy it would be to run Rocks on a load of Raspberry PI?

Peter.


>
> Kev,
>
> On 26/06/12 15:00, Peter Childs wrote:
>
> Just on the off chance that somone here might have an idea....
>
>  I've been trying to figure out the new High Availability software for
> Linux of Corosync, pacemaker and heartbeat. I'm not quite sure what to call
> it because its now a highly flexible system  for running multiple computer
> together and sharing resources and getting ones to to take over
> when necessaries..... Much more flexible than the old version but
> unfortunally much more complex.
>
>  Anyway once your got it working and that's not easy as the documentation
> is hmm poor (to properly document it you would need a very thick book!)
>
>  Anyway, for some reason when I have cman (cman moves all the config
> files for some reason) switched on I can't switch off the logs and my log
> files explode with loads of debug info and I was wondering if any body had
> any ideas as to how to stop this.
>
>  I only need cman as I'm running gfs2 over a drdb (shared network block
> device...) and need the file locking capability.......
>
>  Spouse I could do a talk on what I've learnt at some point, but I'd
> probably lose any linux newbies within the first few seconds.....
>
>  Peter.
>
>
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