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Questions tagged [rocks]

Rocks is a Linux distribution aimed at cluster computing.

Rocks is a Linux distribution aimed at cluster computing. The official website can be found at http://www.rocksclusters.org/

26 questions
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Gui viewer for RocksDb sst files

I'm working with Kafka that save the data into rocksdb. Now I want to have a look at the db keys and values that created by Kafka. I downloaded FastNoSQL and tried but failed. The folder contains: .sst files .log files CURRENT file IDENTITY…
DonSaada
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yum install texinfo on CentOS 6.6 (no package)

To resolve some dependency to one of my programs, I have to install texinfo on my centos 6.6 system yum install texinfo it resulted to Setting up Install Process No package texinfo available Error: Nothing to do I don't know how to resolve this.…
Kurt Rojas
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MPI job on Rocks cluster (SGE scheduler) doesn't run over multiple nodes

I'm trying to run a parallel MPI job using the Sun Grid Engine scheduler on a Rocks v5.4.3 cluster. The cluster has a queue named "all.q" that has 22 compute nodes: 21 of which have 8 CPUs and 1 which has 4 CPUs. When a parallel job runs, however,…
Brian
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How can I see detailed work of nodes on a Rocks Cluster?

I built a Rocks Cluster for my school project, which is matrix multiplication, with one frontend and 5 other computers which are nodes. Over MPI I send them partions of matrix which they use for multiplication and then they send data back. Command…
warkovich
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How to use a "Rocks" cluster

I've just joined a research lab at my University and been given access to a Cluster to compile and run the c++ code that I write. I use SSH to access it and simply use the cluster like a Linux terminal. I often have to wait a relatively long time…
Meir
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Cannot simultaneously run python 2 and 3 due to import errors

I am trying to be able to run python2 and python3 simultaneously on a server that I do not have root access to and which does not have a recent python3 implementation. This works fine on my own server which I do have root access to, but I can't…
Mike D
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Managing ROCKS cluster

I suddenly became an admin of the cluster in my lab and I'm lost. I have experiences managing linux servers but not clusters. Cluster seems to be quite different. I figured the cluster is running CentOS and ROCKS. I'm not sure what SGE and if it is…
microbe
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How to run an external library into different nodes?[MPI]

I need to write a C MPI code that use many functions of a library (specifically, it's Parasail), but my cluster has three different processors, a front-end with Intel Xeon, 16 nodes with Intel i3 and 8 nodes with Intel Pentium-D. How Should I…
VictorOF
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SGE jobs terminating after 3 hours

I'm used to Torque so I'm hoping that some Sun SGE guru can help. I can't figure out why my jobs are terminating at, near as I can tell 3 hours. The jobs are being submitted to an empty queue with no competition on a new install of ROCKS 6.2. Jobs…
crcrewso
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How can I run R interactively on a slave node, from emacs running on the head node?

Is there a way to start run R interactively on a slave node? Although we can login to the server using qlogin, this does not allow us to launch emacs + ess, which runs on the head node. Thanks! as per @newuser's request, I found the following parts…
David LeBauer
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What are the advantages of using Apache Mesos (or DC/OS) over Rocks Cluster Distribution?

Apache Mesos and Rocks Cluster Distribution can both be used to run tasks and manage cluster resources. What is the difference between them and in what scenarios is it better to choose one instead of the other. From what I understand the…
Greg
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insert-ethers command not working on Linux Rocks frontend

After Rocks frontend being installed, I tried adding a new node to the frontend using the following command #insert-ethers but I got this error: 'bash: insert-ethers: command not found" What can I do to solve this problem? P.S: The server was…
ZLMN
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Gfortran compiler optimization flags similar to ifort in Intel

I am currently using ifort (Intel Fortran compiler). However, in the AMD cluster (which has AMD processors), it seems that Intel parallel studio can not be installed. Therefore I decided to use gfortran (GNU Fortran compiler) instead of ifort. In…
Debarshi Majumder
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JVM Segfaults when installing Matlab Distributed on Rocks CentOS Cluster

At work, I am trying to install Matlab Distributed Computing Server R2011a on a Rocks CentOS Cluster. Following the instructions, I mount the ISO and run ./install &. The installer shows a splash screen but then crashes and outputs the error message…
Zhehao Mao
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Node Compute 0-0- already exist. Select different host name or rank value. IN Rocks Centos 7

I am trying to make a hpc with rocks CentOS 7. After installing rocks, I have to connect the compute node to master node. In terminal I have typed out insert-ethers to do the pxe(Preboot Execution Environment). After that I start my compute node…
Abhishek Aryz
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