I suggest some background reading, e.g.
http://proj1.sinica.edu.tw/~statphys/computer/buildPara.html
and/or a Google search on "how to build a cluster" or similar. There are
many, many details. Wien2k assumes that the system admin has setup some
reasonably standard configuration.
_
Professor La
Thanks to clarify my poor knowledge on clusters !
Is it enough if these directories hold the case directories for Wien2k,
or is other data needed ?
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As stated in the manual, you need a "common" filesystem on all nodes
which you want to use in k-parallel mode.
Typically, this involves NFS (or some other "cluster-filesystem", ...).
The key is, that the mount-point must be the same on all nodes, i.e. the
full path to your directory/files must
There is indeed too few information from me.
I try to configure the k-paralellization over several PCs connected by a
regular (slow) network. I use w2web, so that commands are transparent to me.
Wien2k is installed on all machines, and paths are the same on all
machines. SSH works without pas
You state "However, a .machines file with several machines will run using all
required CPUs on the machine where launched (ignoring hosts)."
That implies that you have not correctly configured the command to execute
the mpi task. Without knowledge of what this is on your system (mpirun,
srun, othe
How are the several machines connected? If the machines are connected
using the currently typical 10/100 Mb/s, it is useless to do that [2].
As was mentioned before, you need either 1 Gb/s [3] or InfiniBand [4].
Are the machines setup to have common (NFS) filesystem [5,6]?
The given informat
Dear users,
I failed configuring the parallel options to run cases on several
machines, each of them with several CPUs, driven by ssh protocol.
* Configuring the parallel options with: shared memory, MPI = 0, ssh
protocol, allows to run parallel jobs using several CPUs on the same
machine. H
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