David Lee schrieb:
On Tue, 20 Jan 2009, Michael Schwartzkopff wrote:
as far as I understood, Linux-HA / pacemaker should also compile on a
non-
Linux OS. Does it compile under OpenSolaris? Any experience? Is this
code
still working?
(Apologies for the delay...)
I think there might be bigger questions of principle to ask... see
nearer the end.
Linux-HA (aka heartbeat): With reasonably recent Solaris (I did the
work over the years on 8, 9, 10, but have not tried OpenSolaris) and
reasonably recent GNU-C and GNU-make etc. there is a good chance it
should build and run. Indeed, the intention was that the overall
"heartbeat" project should, in theory, be portable to any UN*X-like
OS. (Note that we never got the Solaris build to the stage of being
completely free from compiler warnings, and there were sometimes
mysterious failures in BasicSanityCheck as it pushed at the
boundaries. But it worked OK with simple IP-address failover.)
pacemaker: No idea. When the project split into the lower-level comms
layer (based on the old heartbeat) and the upper-layer cluster
software ("pacemaker"), it was never clarified whether the intention
was to keep pacemaker portable into the UN*X world beyond Linux. My
guess (but it is just a guess) is that pacemaker probably no longer
builds on non-Linux machines. Can anyone confirm/refute this?
If it can be generally agreed, in principle, that both "heartbeat" and
"pacemaker" should continue to be portable, then I would be happy to
continue to assist in that. But I am no longer be in a position to lead.
A couple of other points:
1. The pacemaker people seem to be preferring OpenAIS to heartbeat as
their underlying comms layer, and I have no idea how portable OpenAIS
is. So that might raise a question over the future of heartbeat, even
within the Linux subset of UN*X. Can anyone confirm/refute this?
2. OpenSolaris seems to have "Open High Availability Cluster" (OHAC)
and "Solaris Cluster":
http://opensolaris.org/os/community/ha-clusters/ohac/
I've no idea whether there is any compatibility overlap between
pacemaker and OHAC. I suspect, sadly, that there might not be (i.e.
that the clustering world has split into two (or more) parts).
Hope that helps a little (even though it is not the simple, bright
"yes" you might have wished!).
Hi,
as I started to compile just the latest heartbeat without CRM from the
heartbeat project. After
./Configureme configure
I found at least two explicit references to linux inlcludes. Do no
compile yet. Bugs are opened, but as far as I can see there are no heavy
activites to fix these problems :-(
What about the OHAC? Is this something that somehow compares to Linux-HA
or is the philosophy completely different?
Michael.
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