[Linux-cluster] Re: gfs on FC6 and ddraid

[Marian Marinov]

On Thursday 25 January 2007 20:21, Lon Hohberger wrote:
> On Thu, 2007-01-25 at 11:07 +0530, Ashish Varman wrote:
> > Anyone ?
> >
> > Ashish Varman wrote:
> > > Hello all
> > >
> > > A few follow-up questions have popped up after my previous problem got
> > > solved
> > >
> > > 1. What would be the correct way to use gfs (not gfs2) on FC6.  Binary
> > > installation (where do I get the rpms?) or source installation (which
> > > tag to check out?)
> > >
> > > 2. Since software raid is not cluster aware, ddraid seemed a much
> > > needed answer to storage node failure.  However, I was unable to build
> > > it.  The tarballs mentioned in the README are nowhere to be found and
> > > the kernel version on FC6 is different from those mentioned in it.
> > > Also, the build fails due to not finding the file "../dm-ddraid.h".
> > > This too is nowhere to be found :(.  Any pointers?
> > >
> > > 3. Besides ddraid, is there any commercial product that can manage
> > > cluster-aware software raid?
>
> There are at least two open source projects DRBD (0.8.x/unstable;
> 0.7.x/stable does not support multiple writers IIRC) and cluster
> mirroring + GNBD which will provide multiple-writer-RAID1.  Both are
> still in development.
>
DRBD 8.0.0 (the last release) now support Primary/Primary mode with OCFS2 and 
GFS.

  Marian