Rocks Cluster distribution is a Linux distribution intended for high-performance computing clusters.

learn more… | top users | synonyms

0
votes
1answer
63 views

How to open iptables ports inside a cluster?

How can I use iptables to open ports 21001-22000 in a cluster, allowing the worker nodes to communicate between them and with the front-end? The cluster is configured with CentOS 6.3, Rocks 6.1 and ...
0
votes
0answers
64 views

Best setup for distributed packages on a cluster

We have a fairly standard Linux (CentOS) cluster which uses Rocks. At the moment our software is all stored on a separate NFS file server in a /packages directory, and then that directory is mounted ...
1
vote
0answers
63 views

qdel deletes all my jobs

I'm using Sun GridEngine (Rocks Cluster) on a server to run remote jobs. When I try to remove jobs with qdel, it often works as expected, but every now and then it just deletes almost everything it ...
-2
votes
1answer
239 views

HPC Cluster planning workflow? [closed]

After three days of intensive Google searching, I have not found any high-level workflow of how to build a low profile - cheap - computing cluster (we are not interested in HA yet). This is just a ...
1
vote
1answer
154 views

Prevent users running processes on cluster head node

What ways are there to prevent users from starting long running, resource intensive processes on the headnode of a Rocks cluster? I've tried: asking politely setting the nice level in limits.conf ...
2
votes
1answer
223 views

PBS Jobs - serial vs parallel job which one is better for my scenario

I have access to a cluster that uses 'torque' (I think) and we use PBS scripts to submit jobs. I need to run more then 200 instances of an app that I've developed in java. The app acts as a peer ...
1
vote
1answer
315 views

Optimizing Linux Compute Cluster

I am setting up a supercomputing Linux cluster at work. We ran the most recent HPCC benchmarks using OpenMPI and GoToBlas2 but got really bad results. When I ran the benchmarks using one process for ...
2
votes
1answer
61 views

Determine the current Rocks version

How do I find what Rocks version I'm running? I've tried: Looking on the Ganglia page uname -a Google so far, no luck