[Pacemaker] Confused at the state of Linux Clustering..

[Andrew Beekhof]

On 17/09/2013, at 4:01 AM, Errol Neal <eneal at businessgrade.com> wrote:

> Hi. I'm trying to figure out EXACTLY what the process is for getting a cluster working on Ubuntu Raring. 
> Most of the clusters I implemented required dlm-controld.pcmk, but I don't see this being shipped anymore in most distributions. 
> I've tried to document a how-to for CentOS

Are you using Ubuntu or CentOS?  At least one of us is confused.

Since CentOS is RHEL-based, this is relevant:
  http://blog.clusterlabs.org/blog/2013/pacemaker-on-rhel6-dot-4/

Since you're using a cluster file system, so is:
  http://blog.clusterlabs.org/blog/2012/pacemaker-and-cluster-filesystems/

And since you're trying to get something running, try the quick start guides:
  http://clusterlabs.org/quickstart.html

>  on my blog at ha-guru.com, but its been broken by recent updates in pacemaker and incompatibilities so I'd like to update it for a hassle free implementation on say Ubuntu.
> The challenge is I'm really confused as to when and why I need CMAN and I'm trying to think about things like learning curve for adapting to the the "new" method for Linux-HA and etc. 
> 
> I'm generally using OCFS2 as my cluster fs. I'm may use DRBD and CLVM. Can someone point me in the right direction? 
> 
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> Project Home: http://www.clusterlabs.org
> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
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