[Linux-cluster] Multicast for GFS?

Patrick Caulfield pcaulfie at redhat.com
Tue Aug 10 12:20:43 UTC 2004


On Tue, Aug 10, 2004 at 02:11:50PM +0200, Lazar Obradovic wrote:
> On Tue, 2004-08-10 at 11:29, Patrick Caulfield wrote:
> > OK, I've had to do this slightly differently, using gethostname2_r, it has 
> > the same effect. It behaves itself on my cluster but let me know if I've missed
> > anything.
> 
> It's ok, just that I wanted cleaner solution (cleaner = w/o additional
> vars).
> 
> As you might notice, TTL is fixed to a value of 10, and it might be
> interesting to take this out of the code, and place it somewhere in
> cluster.conf. Do you think this is ok? 
> 
> how about something like: 
> 
> #define MCAST_TTL_PATH          "//cluster/cman/multicast/@ttl"
> 
> Let me know if this is generaly a good idea, I'll work on details if you
> do agree.

Certainly. I'm all in favour of moving hard-coded values into configuration
files - so long as the defaults are reasonable !
 
> I also started to change ccs a bit for mcast support. It turns out that
> ccs has a lot of definitions hardcoded. Can I take 'em out and put into
> separate header file (comm_header.h looks nice :)? 

I think ccs_join.h would be reasonable, then it's obvious which .c file
it holds the defaults for.
 
-- 

patrick




More information about the Linux-cluster mailing list