[Pacemaker] Centos 6.2 and cman + corosync (pacemaker cluster) for GFS2

[Andrew Beekhof]

On Tue, Jun 26, 2012 at 10:24 PM, Maurits van de Lande
<M.vandeLande at vdl-fittings.com> wrote:
> Hello,
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> I have been testing a classic pacemaker+corosync cluster for virtualization
> but it was lacking a cluster filesystem to host the virtual  machine config
> files. (I was using the guidelines I found at Linbit to setup a
> virtualization cluster).
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> Therefore I would  like to add a GFS2 filesystem hosted on an iSCSI lun.
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> I also found “Adding CMAN support” at the clusterlabs website
> http://www.clusterlabs.org/doc/en-US/Pacemaker/1.1/html/Clusters_from_Scratch/_adding_cman_support.html
>
> But that example does not work on Centos 6.2 (at least in my case)
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> At step 8.2 the package gfs2-cluster is specified but there is no
> gfs2-cluster package for Centos 6.2 (it might not be needed?)

Possible.  The package layout may have deviated from fedora.
Or it could be in a Centos repository that you haven't enabled yet.

>
> At step 8.2.4 the cluster is brought online.
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> The cman_tool status and nodes commands are working fine.
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> But crm_mon cannot connect to the cluster.

Are the pacemaker processes running?
Did you run 'service pacemaker start' ?

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> How can I use cman as the control Daemon in a pacemaker cluster? I would be
> nice If I can use the CRM shell to configure the cluster.
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> Best regards,
>
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> Maurits van de Lande
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