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List:       ocfs2-devel
Subject:    [Ocfs2-devel] FYI:  RedHat open-sourced GFS/DLM/cluster stuff
From:       wim.coekaerts () oracle ! com (Wim Coekaerts)
Date:       2004-07-02 16:46:18
Message-ID: 20040702213745.GB937 () ca-server1 ! us ! oracle ! com
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oh - it does not change our commitment to ocfs btw. we're not going to
drop ours or reduce efforts on it. just fyi :)

On Fri, Jul 02, 2004 at 02:25:34PM -0700, Cahill, Ben M wrote:
> Hi all,
> 
> If you haven't heard about it already, I thought folks on the list might
> be interested to know that RH open-sourced (GPL) a whole bunch of stuff
> that had been Sistina's commercial software offering for shared/cluster
> filesystem (GFS) and related support.
> 
> The biggest surprise for me was that it includes a "redesigned from the
> ground up" distributed lock manager (DLM) modeled after the same
> VaxCluster/VMS DLM that inspired OpenDLM.  It also includes the g-lock
> layer that I was talking about a week or two ago, so you can plug in
> different lock managers and perform operations at specific times during
> the lifetime of a specific lock type.
> 
> There's some good reading about the whole GFS/DLM/cluster thing at:
> 
> http://people.redhat.com/~teigland/sca.pdf
> 
> The cluster project page:
> 
> http://sources.redhat.com/cluster/
> 
> And the specific GFS project page:
> 
> http://sources.redhat.com/cluster/gfs/
> 
> CVS in the project pages contains stuff for 2.6.7.  Source for 2.4 GFS
> is at:
> 
> ftp://ftp.redhat.com/pub/redhat/linux/enterprise/3/en/RHGFS/i386/SRPMS/
> 
> although I haven't been successful in accessing that, yet.  Daniel
> Phillips (RedHat) said that doesn't contain the latest goodies
> (including DLM IIRC).
> 
> -- Ben --
> 
> Opinions are mine, not Intel's 
> 
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