Re: Run multiple instances on the same host

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Patrick,

Patrick Hemmer napsal(a):
> Is there a way to run multiple instances of corosync on the same host?
> 

general answer is no. Corosync is not prepared for this type of operation.

> I'm developing several applications which use various features of
> corosync (cpg, quorum, votequorum, & cmap), and I need to test the
> behaviour when nodes join and leave the cluster. Currently I'm using
> vagrant VMs, but this is cumbersome and slow. Ideally I'd like to launch

Solution may be to use container based virtualization (lxc/OpenVZ/...).
They are MUCH faster then full virtualization or paravirtualization.

Regards,
  Honza

> multiple corosync processes, and then do things like shutting them down,
> using iptables to interrupt communication, etc, to test the various
> scenarios. But it appears the libs use shared memory for communication,
> and because of that, I don't know if running multiple instances on one
> host is even possible.
> 
> Thanks
> 
> -Patrick
> 
> 
> 
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> 

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