RE: [Cluster-devel] Magma; Magma-plugins

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I can't seem to find a way to get a cluster node state information. In magma
API there are UP/DOWN/REMOVED states but in CMAN API I can only query
membership info and compare with the old one. Am I missing something?

Also I was wondering on the notification - it looks like I get a separate
event for each new node added and a single for many removed. How about
Up/DOWN information?

	Mike 

-----Original Message-----
From: David Teigland [mailto:teigland@xxxxxxxxxx] 
Sent: Thursday, August 10, 2006 4:52 PM
To: Zelikov, Mikhail
Cc: lhh@xxxxxxxxxx; cluster-devel@xxxxxxxxxx; linux-cluster@xxxxxxxxxx
Subject: Re: [Cluster-devel] Magma; Magma-plugins

On Thu, Aug 10, 2006 at 04:40:10PM -0400, Zelikov_Mikhail@xxxxxxx wrote:
> I can see that I have libcman and libdlm installed as the part of cman 
> and dlm packages. I looked at the cluster, dlm and cman project home 
> pages - the APIs are mentioned but there is no documentation I could 
> find. Am I looking at the wrong place?

Download the source code from the "cluster" cvs tree.  The API's in the
RHEL4 cvs branch will be slightly different that those in the cvs HEAD (for
RHEL5).  Look at

cluster/cman/lib/libcman.h
cluster/dlm/lib/libdlm.h
cluster/dlm/doc/*



> -----Original Message-----
> From: Lon Hohberger [mailto:lhh@xxxxxxxxxx]
> Sent: Thursday, August 10, 2006 4:30 PM
> To: Zelikov, Mikhail
> Cc: teigland@xxxxxxxxxx; cluster-devel@xxxxxxxxxx; 
> linux-cluster@xxxxxxxxxx
> Subject: RE: [Cluster-devel] Magma; Magma-plugins
> 
> On Thu, 2006-08-10 at 16:19 -0400, Zelikov_Mikhail@xxxxxxx wrote:
> > Dave, thank you for the reply.
> > Magma is used in the latest release of CS and GFS. I was wondering 
> > if I use this (openais) API will it work within the currently 
> > existing cluster infrastructure on RHEL4.3? Or is it the future
supported API?
> > 	Mike
> 
> It will work on RHEL4, but it will not work on RHEL5, FC5/6 or any 
> future release.
> 
> The CMAN and DLM APIs work on all of the above.
> 
> -- Lon

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