[ClusterLabs] ClusterLabs.Org Documentation Problem?

[Eric Robinson]

Thanks for the reply. Yes, it's a bit confusing. I did end up using the documentation for Corosync 2.X since that seemed newer, but it also assumed CentOS/RHEL7 and systemd-based commands. It also incorporates cman, pcsd, psmisc, and policycoreutils-pythonwhich, which are all new to me. If there is anything I can do to assist with getting the documentation cleaned up, I'd be more than glad to help.

--
Eric Robinson

-----Original Message-----
From: Ken Gaillot [mailto:kgaillot at redhat.com] 
Sent: Tuesday, August 22, 2017 2:08 PM
To: Cluster Labs - All topics related to open-source clustering welcomed <users at clusterlabs.org>
Subject: Re: [ClusterLabs] ClusterLabs.Org Documentation Problem?

On Tue, 2017-08-22 at 19:40 +0000, Eric Robinson wrote:
> The documentation located here…
> 
>  
> 
> http://clusterlabs.org/doc/
> 
>  
> 
> …is confusing because it offers two combinations:
> 
>  
> 
> Pacemaker 1.0 for Corosync 1.x
> 
> Pacemaker 1.1 for Corosync 2.x
> 
>  
> 
> According to the documentation, if you use Corosync 1.x you need 
> Pacemaker 1.0, but if you use Corosync 2.x then you need Pacemaker 
> 1.1.
> 
>  
> 
> However, on my Centos 6.9 system, when I do ‘yum install pacemaker 
> corosync” I get the following versions:
> 
>  
> 
> pacemaker-1.1.15-5.el6.x86_64
> 
> corosync-1.4.7-5.el6.x86_64
> 
>  
> 
> What’s the correct answer? Does Pacemaker 1.1.15 work with Corosync 
> 1.4.7? If so, is the documentation at ClusterLabs misleading?
> 
>  
> 
> --
> Eric Robinson

The page actually offers a third option ... "Pacemaker 1.1 for CMAN or Corosync 1.x". That's the configuration used by CentOS 6.

However, that's still a bit misleading; the documentation set for "Pacemaker 1.1 for Corosync 2.x" is the only one that is updated, and it's mostly independent of the underlying layer, so you should prefer that set.

I plan to reorganize that page in the coming months, so I'll try to make it clearer.

--
Ken Gaillot <kgaillot at redhat.com>





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