On Fri, Mar 16, 2012 at 4:55 PM, Lars Marowsky-Bree <l...@suse.com> wrote: > On 2012-03-16T13:36:34, Florian Haas <flor...@hastexo.com> wrote: > >> > Would this not be more readily served by a simple while loop doing the >> > monitoring, even if systemd/upstart aren't around? Pacemaker is kind of >> > a heavy-weight here. >> If you prefer to suggest a self-hacked while loop to your customers >> I'm not stopping you. > > I didn't say "self-hacked", this could be a wrapper officially included.
Surely you've submitted one? Actually, better still, you could submit a systemd job; as the Ceph guys themselves seem to be focused more on upstart at this time. > It just seems that pacemaker+corosync+... is overkill for watching the > health of a single service on one node. Up to 3 services, really, but that's a technicality. > (And no, I think I wouldn't want to run pacemaker on my OSD cluster, > because that doesn't scale.) If *your* Ceph cluster needs to be 100 nodes plus, then you're right. Mine don't. > And, anyway, at this point in time, I'd tell my customers to skip > ceph/RADOS for the next 6-12 months still, but to contact us off-list if > they're interested in PoCs ;-) Right. Feel free to point them to http://www.hastexo.com/blogs/florian/2012/03/08/ceph-tickling-my-geek-genes if they want a quick overview. Cheers, Florian -- Need help with High Availability? http://www.hastexo.com/now _______________________________________________ Pacemaker mailing list: Pacemaker@oss.clusterlabs.org http://oss.clusterlabs.org/mailman/listinfo/pacemaker Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org