[Pacemaker] Duplicate node after corosync / pacemaker upgrade

[Andrew Beekhof]

On 19/08/2013, at 4:03 PM, Mistina Michal <Michal.Mistina at virte.sk> wrote:

> >[snip]
>  
> >> Here are my questions:
> >>
> >> 1. Was it the right path I have taken to install Corosync 2.0 +
> >> pacemaker 1.1.10 even if I am using RHEL? Suggestion 3 on the
> >> aforementioned blog seemed nicer to me than option 2 (Everyone Talks to
> >> CMAN).
>  
> >It could be more complicated if you need clustered LVM and/or clustered
> >filesystems. For that you need to install new dlm (4.x), rebuild lvm2
> >(for clvm) and rewrite/rebuild gfs_controld (for GFS2).
>  
>  
> >[snip]
>  
> I guess this would be the most complicated way. Better would be to take a route “Everybody talks to CMAN”

For RHEL6.x, CMAN is definitely the preferable way.

> (http://blog.clusterlabs.org/blog/2012/pacemaker-and-cluster-filesystems/):
> 1.       Filesystems supported: GFS2, OCFS2
> 2.       Corosync: 1.x
> 3.       Pacemaker: 1.1.6 or later
> 4.       Other: cman, openais
>  
> Best regards,
> Michal Mistina
>  
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