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Re: [Linux-cluster] Help with CMAN



On Mon, Jun 26, 2006 at 12:47:38PM -0700, Steven Dake wrote:
> Aneesh,
> 
> In the latest code, the membership layer is handled entirely in
> userspace.  The CMAN component is a plugin of the openais standards
> based cluster framework.  openais uses a protocol called The Totem
> Single Ring Ordering and Membership protocol for all communication.
> 
> It would be possible to feed membership messages and regular messages
> from totem into the kernel using configfs or some other system.  I
> believe some of this work has already been done.  Dave would know more
> since its his area of expertise.

GFS and DLM now both have userland components to interact with
cman/openais clustering infrastructure, see the gfs_controld and
dlm_controld daemons.

Dave


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