David Teigland wrote: > On Thu, Apr 20, 2006 at 07:46:24AM -0400, Kovacs, Corey J. wrote: >> I've worked with GFS 6 and 6.1 quite a bit lately and in reading the posts >> over the last few months, I see a lot >> of references to gfs2. I'm not quite sure where it sits in the grand scheme >> of things other than it's the next big >> itteration of gfs as a whole and attepmpts are being made to mearge it into >> the kernel. >> >> This post has some good info, but not much in the way of specifics >> http://lwn.net/Articles/150652/ >> >> * GFS2 - an improved version of GFS, not on-disk compatible >> * DLM - an improved version of DLM >> * CMAN - a new version of CMAN, based on OpenAIS >> <http://developer.osdl.org/dev/openais/> >> * CLVM - will allow more LVM2 features to be used in the cluster >> >> These seem to be all there is as far as a "roadmap" and the OpenAIS link >> doesn't seem all that descriptive >> unless one is a developer. >> >> Is there some point of reference which describes the changes between whats >> already released and what is >> planned? For instance, a post recently mentioned adding openais >> interfaces/functionality. > > For GFS2 and DLM it's largely performance improvements. For clustering > infrastructure a ton of stuff moved out of the kernel and now runs in user > space, with openais at the center. The user isn't exposed to much of the > infrastructure so there's not much user-visible change to speak about. > > Patrick recently sent this out: > https://www.redhat.com/archives/linux-cluster/2006-April/msg00126.html That's really only about CCS changes. For a (slightly out-of-date ) higher level overview see: http://sources.redhat.com/cluster/events/summit2005/pjc2005.sxi It doesn't mention openais (at least not in a relevant context!) but it might give some more idea as to what is going on. -- patrick -- Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
