Open Stack

> > > [...]
> > > > Pacemaker is *the* Linux HA Stack.
> > > [...]
> > > 
> > > Can you expand on this assertion? It doesn't look to me like it's
> > > part of the Linux source tree and I see strong evidence to suggest
> > > it's released and distributed completely separately from the kernel.
> > 
> > If you read "Linux" as "GNU/Linux" or "Linux platform", instead of
> > "Linux kernel", it's what I meant.
> [...]
> 
> Okay, that makes slightly more sense. So you're implying that
> Pacemaker is the only HA stack available for Linux-based platforms,
> or that it's the most popular, or... I guess I'm mostly thrown by
> your use of the definite article "the" (which you emphasized, so it
> seems like you must mean there are effectively no others?).
Well, SUSE and Redhat (7) use Pacemaker by default, Debian/Ubuntu have it 
(along with others)...

That gives it quite some market share, wouldn't you think?


Yes, I guess the "most popular" meaning is a good match here.