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[Linux-cluster] Re: [Openais] Xen and Cluster Manager (OpenAIS::TOTEM)



On Fri, 2007-03-09 at 15:47 +0100, Fabien MALFOY wrote:
> Hi
> 
> I'm trying to build a two nodes cluster with Cluster Manager on Fedora 
> Core 6. As I dispose of only one machine and that my solution needs 
> three, I decided to create two XEN virtual Fedora Core 6 (M1 and M2). I 
> use the Dom0 (M0) host as the storage back-end. All used packages are 
> those of standard repositories of Fedora Core 6 (including Xen, Cman, 
> OpenAIS...). So, the cluster will be made of the two DomU.
> 
> But i'm not able to start correctly the Cman service on M1 and M2. 
> Here's a part of the log :
> 
> Mar 7 15:29:17 M1 openais[2220]: [CMAN ] CMAN 2.0.60 (built Jan 24 2007 
> 15:30:39) started
> Mar 7 15:29:17 M1 openais[2220]: [SYNC ] Not using a virtual synchrony 
> filter.
> Mar 7 15:29:17 M1 openais[2220]: [MAIN ] AIS Executive Service: started 
> and ready to provide service.
> Mar 7 15:29:18 M1 ccsd[2214]: Initial status:: Inquorate
> *Mar 7 15:29:32 M1 openais[2220]: [TOTEM] The consensus timeout expired.
> Mar 7 15:29:32 M1 openais[2220]: [TOTEM] entering GATHER state from 3.
> Mar 7 15:29:47 M1 openais[2220]: [TOTEM] The consensus timeout expired.
> Mar 7 15:29:47 M1 openais[2220]: [TOTEM] entering GATHER state from 3.
> Mar 7 15:30:02 M1 openais[2220]: [TOTEM] The consensus timeout expired.
> Mar 7 15:30:02 M1 openais[2220]: [TOTEM] entering GATHER state from 3.
> 
> *This till the timeout and cman fails to start. To ensure that my 
> configuration was well formed, I adapted my cluster.conf to exclude M2, 
> replaced by M0. In this case, the cman service starts correctly on M0 
> and warns about the absence of M1. On M1, the service fails to start 
> with the same log. Is there a matter between Xen and Cluster Manager ?
> Thanks for your help.
> 

Fabien,

I believe the problem you have is that your default firewall rules setup
by fedora core 6 are not allowing the openais protocol to reach
consensus.  To start off with, try turning off your firewall.

Regards
-steve


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