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List:       evms-devel
Subject:    [Evms-devel] re[2]: [ogfs-dev]OpenGFS on different block devices
From:       Ram Pai <linuxram () us ! ibm ! com>
Date:       2003-02-25 0:47:34
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Cross posting the mail to the EVMS development list.


On Mon, 24 Feb 2003, Ram Pai wrote:
> On Mon, 24 Feb 2003, Greg Freemyer wrote:
> 
> > > > What clustering software do you use for openGFS?  linux-ha or something
> > > > else?
> > 
> > > > Ram Pai
> > 
> > Ram,
> > 
> > I believe OpenGFS is clustering solution independent.  (i.e. It has its own comm \
> > system (kernel based)). 
> > Brian/Dominik correct me if I'm wrong.
> > 
> > The SSI/CI Linux projects definitely support OpenGFS, but I don't think they \
> > changed the comm layer to use CI. 
> > What about EVMS with Cluster support?  Do you require a fully installed and \
> > operational linux-ha cluster, or do you just need a portion of that project.
> 
> 
> EVMS's depends on
> 1. heartbeat's messaging service for intercluster communication.
> 2. On heartbeat's CCM service for cluster membership.
> 3. Stonith as a fencing solution on 2node cluster.
> 
> > 
> > Would it be reasonable in the future for Cluster EVMS to use CI for comm.  \
> > (http://ci-linux.sourceforge.net/)  All SSI clusters use CI for comm. 
> 
> EVMS is plugin based which interfaces with the local cluster manager.
> Currently we have developed a plugin to interface with linux-ha's
> cluster manager.
> 
> We can possibly build one that interfaces with CI/SSI.
> 
> If OpenGFS does its own cluster management, does it export its
> comm services to other components. If it provides its comm services and
> membership services to EVMS than we can build a plugin that interfaces
> with it.
> 

-- 
Ram Pai
linuxram@us.ibm.com
503-5783752
EVMS: http://www.sf.net/projects/evms
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