[Linux-cluster] Clarification...

[Balazs Zachar]

On 12/02/2010 10:31 PM, Corey Kovacs wrote:
> I've been watching the development of the cluster stack from the
> sidelines for quite some time but somewhere things got a bit mixed up
> for me.
>
> It appears to me the following is true...
>
> openais, heartbeat and corosync are equivalent in terms of purpose.
>    
AFAIK not true anymore:
heartbeat is equivalent with corosync + openais (corosync was a fork of 
openais but now openais is an additional part for corosync)
Corosync + openais is recommended. (pacemaker website)
> rgmanager and pacemaker are equivalent in terms of purpose.
>    
True:
http://sources.redhat.com/cluster/wiki/RGManagerVsPacemaker

> If these are true, can someone point me to a run-down of the
> differences and similarities or point me to a document?
>
> How does this all relate to what ships with RHEL6?
>    
RHCS is using rgmanager in RHEL6. Pacemaker is in technology preview 
state (from release notes: "not fully integrated with the RHCS stack").

I heard that Pacemaker is going to replace rgmanager in the future. (the 
source wasn't official! Maybe we will get some more official answer for 
this here :) )

Regards,
Balázs
> Finally, is the wiki woefully out of date are is there a better place
> to be getting information other than git repos?
>
>
>
>
>
> Corey
>
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