[torqueusers] More newbie questions
gabe at msi.umn.edu
Fri Jan 19 11:07:26 MST 2007
On Fri, Jan 19, 2007 at 12:54:42PM -0500, David Chin wrote:
> OK. I'm trying to wrap my head around Torque. (Maui, too, but that
> will have to wait.) If I could get feedback on my thoughts, that would
> be great. Y'all have been really helpful already.
> So far, this is what I gather.
> * a Cluster (my own term) is made up of one Server and one or more Nodes
> * the Server is the machine which runs pbs_server, and which launches
> and kills jobs
> * Nodes are machines which run pbs_mom, and which run jobs and/or
> provide resources. The Server may or may not be a Node, as well.
> * there are at least two types of Nodes:
> * cluster
> * time-shared
> * the Server may have one or more Queues.
> * there are two types of Queues:
> * Execution Queues, which execute Jobs. Execution Queues have one or
> more Nodes associated with them.
> * Routing Queues, which insert Jobs into appropriate Queues based on
> available resources, etc.
> * all free Nodes in a Cluster are available to all Queues.
> Now, here's a setup that I would like to have. I have 17 compute nodes
> and one head node. I would like a queue with only the head node on
> for running compilation jobs. This would be in addition to the normal
> execution queues I have to run compute jobs. Would this require running
> another pbs_server to deal with the compilation queue?
Nope. Your single pbs_server can provide multiple queues. You would
create a 'compile' queue and a 'work' queue. Now, limiting these queues to
exclusive sets of nodes is where it gets tricky. For that, refer here:
Gabe Turner gabe at msi.umn.edu
UNIX System Administrator,
University of Minnesota
Supercomputing Institute http://www.msi.umn.edu
More information about the torqueusers