Hi Steffen, > > I intend to build VM clusters for high-performance computing by > > OpenNebula. > > > > We have a "virtual" HPC cluster, using the SGE, > and the nodes register themselves as SGE hosts during bootup. > >
That sounds fine. I consider using SGE. I have a little worry that using batch system is more complicated than simple MPI environment for users. But it seems this is a right way. > > But, in order to submit MPI job, it is necessary to know actual > > compute-node (hostname, IP address, cores, etc...). > > The number of VM of cluster can change on-demand by OpenNebula. > > But maybe each VM cannot know change of member of cluster. > > > > Another possibility would be to run ganglia on the virtual nodes, > and query ganglia for the running hosts available for the MPI jobs. > > Well, this is a good idea. Thank you for your advice! -- Akihiko Ota
_______________________________________________ Users mailing list [email protected] http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
