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0
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0answers
9 views

setting up a Linux based cluster [on hold]

I would like to set up a cluster that has the ability to compute in parallel. (Think Hadoop using AND simulating a CentOS or Ubuntu server). I would like to get the traditional experience of setting ...
0
votes
0answers
6 views

virtual machine replication between two separated Hyper-v clusters

I have two identical hyper-v cluster configurations. Here is the configuration: 2 hyper-v servers in cluster with shared via fiber channel storage. There is a 10 Gbit ethernet between these ...
1
vote
0answers
25 views

How to maintain servers in general [closed]

I'm a programmer working at a tech company. I really want to learn how to properly maintain a small server cluster (say a dozen racks) which we have at work. I consider myself a power linux user, and ...
-2
votes
0answers
7 views

Can I organize a computing cluster based on MS Server 2012 R2?

There is one server with preinstalled MS Server 2012 R2 and few workstations with Windows 7. All this connected to the LAN. Can I organize a computing cluster? Please, leave links to any tutorials ...
0
votes
2answers
38 views

Is there a way to build cluster machine that behaves like a single PC? [closed]

Is there some way to build a cluster from several desktops in such a way, that it can run an unprepared application and be seen as just a multicore CPU? I understand it will be a lot slower than ...
0
votes
0answers
11 views

How to setup openlava cluster environment without root?

I found the guide here: http://www.openlava.org/documentation/guide/getting_started.html and the thread here: https://groups.google.com/forum/#!topic/openlava-users/SCBPzOqoJ8U It says that openlava ...
2
votes
4answers
72 views

Manage a few Linux servers at once

I have a small cluster that consists of a few Linux nodes. There's a shared NFS, and I have the same user account with shared SSH keys on all nodes, but other than that each node has it's-own file ...
0
votes
0answers
28 views

AD RMS policy templates recieve a “no longer exists error” when they are there

Recently we added in a few new policy templates to AD RMS but when we try to apply them in FSRM they receive a no longer available error. When I try to apply the template to a folder structure I can ...
0
votes
0answers
15 views

ZSH and Passwordless access with SSH in a shared home environment

I have a small cluster with some nodes which share their home folder through NFS. I allow passwordless SSH access to the users with this script: if [[ -e $homeDirs/$username/.ssh/id_rsa.pub ]]; then ...
1
vote
0answers
43 views

Setting up an Ubuntu Linux scalable web video cluster

I'm in the process of setting up what I hope will be a robust and scalable video processing cluster for a website I'm creating. Currently, I am processing video uploads with FFMPEG on the same web ...
0
votes
0answers
215 views

Cannot copy over 7MB file to Samba cluster on Centos 6.5

I have followed these instructions (with lots of updates since it's old) to get working two nodes Samba cluster in my VirtualBox lab. It's almost done, but I experience strange issue and does not know ...
1
vote
0answers
29 views

How to save job info (qstat) in SGE when submitting to qsub?

When submitting a job, I am able to provide qsub with the path for the standard output and the standard error. On the other side, while my job 12345 is running, I can access to extra info related to ...
-1
votes
2answers
53 views

Difference between Compute Node and Compute Cluster [closed]

I have to give a presentation on Super Computing and I came across this pdf http://yuva.cdac.in/YuvaII/YUVA_2%20leaflet.pdf. As mentioned in page 2 what is the difference between Computer Node and ...
0
votes
0answers
24 views

Fast removal of millions of files on a remote compute cluster [duplicate]

I would like to know what's the fastest way to remove massive number of files on a remote compute cluster (linux). I have 1000 folders to delete permanently - each containing about 200k files with ...
0
votes
0answers
42 views

Is there any HPL benchmark analogs for CPU/GPU clusters?

I'm building little CPU/GPU cluster for my home needs. Im using this cluster for CPU and CUDA computing. I have 3 PCs and each of it has 1 or 2 videocards and each of it has different CPUs. I need to ...
0
votes
0answers
121 views

Beowulf cluster possible?

I don't really know where to find people who have experience in building computer clusters, so I thought maybe someone from here might answer my question. Basically I have two machines at my ...
-1
votes
1answer
41 views

How can I use computers with RJ-11 ports in an Ethernet network?

In my school are many really old computers with Pentium 3 processors and Windows 95. I'd like to make a cluster of them. Those computers have RJ-11 ports, not RJ-45 and I don't know if I can use an ...
0
votes
1answer
90 views

So I found and marked some bad clusters—now what?

I don't know exactly why, but hard drive failure happens to me quite often. This time around, three out of my eight drives failed almost at the same time (two HDDs and one SSD). I still don't know ...
1
vote
0answers
84 views

Can I build a cluster with Mac and Linux computers?

I do video editing on a Mac and I'd like to setup a cluster for distributed rendering. I don't really have the money to buy several Macs and make a cluster from those (besides, Xgrid is dead). How can ...
0
votes
2answers
317 views

Sharing RAM resources between 2 or more computers

I know there was a somewhat similar question before: How to share CPU or RAM? But, let me just specify it a little more... When Microsoft Windows requires more RAM capacity than available it uses a ...
1
vote
0answers
23 views

Recycling service running in a cluster on Windows 2003 R2

In Win2003 R2, I have a two node cluster that has one resource which has a memory leak. I was thinking of setting up a batch file to recycle it using SC, NET, or better yet PSSERVICE (from ...
1
vote
2answers
71 views

Can i use multiple computers to run different programs with the same desktop environment?

Is it possible to connect a laptop to a desktop computer in a way that i can run programs on the laptop and see them with barely any lag on my desktop computer? I'm not looking for a separate remote ...
0
votes
0answers
33 views

Quorum drive maintenance (cman)

We have 2 node cluster configuration (cman) with iSCSI quorum drive (qdiskd). Now there is need to make some maintenance on hardware running quorum drive (about 10-15 minutes). How we should ...
1
vote
1answer
42 views

Send files with scp while being logged on cluster interface

I have to do some work on a Torque cluster where I log on a User interface via ssh. I transfer files to my directory of the cluster and get files from the directory by using scp in my normal terminal ...
0
votes
0answers
338 views

PXE boot with NFS root is trying to use 'user_xattr' option to mount and failing

I'm building a small diskless cluster using PXE boot and a copy of SLES 11 SP1 from a working hard disk install. The kernel fetches over tftp and boots fine, but during boot I see this: Mounting root ...
0
votes
0answers
65 views

Registration timeout on PBS cluster with Ipython parallel

I'm trying to set up ipython parallel on a linux cluster using PBS scheduling. Originally I asked on stackoverflow but I had no answers and I think this is probably a more superuser question. I was ...
0
votes
1answer
23 views

How to know the PBS batch job submit time inside the script being excuted?

I'm using the PBS qsub to run a script on a cluster that must output a report file named with the batch job submit time. The batch job submit time is the time it joins the PBS batch job que. I ...
0
votes
0answers
25 views

Torque: Execution of multiple programs in one job

I have to following problem: On the cluster I'm working, we use torque to submit jobs. The minimum number of processors one can get is 24 (since this is one node). Right now, I have some programs that ...
0
votes
0answers
28 views

running R through ESS (emacs) on remote host with LSF

The cluster I work on submits jobs (interactive and otherwise) to various nodes through LSF. When I run R, a job is submitted to the cluster (interactive) and I get the R console that is running on ...
0
votes
1answer
133 views

How do you make multiple computers work on the same task? (hash cracking)

This is a question that's been plaguing me since I saw the following YouTube video: http://www.youtube.com/watch?v=TBXBB5sy5sA This man installed 20 video cards across 5 different rigs, all running ...
1
vote
1answer
815 views

Hadoop installation on ubuntu

I installed Hadoop on ubuntu from the .deb package when I run start-all.sh I get this error I configured the core-site.xml for hdfs:localhost:9001 but i gives me the error. I think the problem in the ...
0
votes
1answer
102 views

Scheduler for sequential jobs on Linux

I am running some programs over a cluster and I would like to run them in a sequence, i.e when the first program terminates the second one starts and so on. This is so that my cluster does not exceed ...
12
votes
1answer
335 views

Determining physical location of data on a disc

Does anybody know of a way to find out where, physically on a CD or DVD a given piece of data would be located? I am trying to watch a DVD at the moment, and am about half-way through, but it keeps ...
1
vote
1answer
60 views

Shelves for super computing cluster [closed]

So I am currently running a small project with a few friends and we require a 2 Teraflop super computing cluster we have gathered all the money for this project mainly from donations and we need to ...
0
votes
1answer
206 views

PBS batch jobs - the qalter command

I've got a giant computation running on a Scientific Linux cluster. At present I have over 600 jobs parked in the queue, waiting for processor time, while a few are running. I'm trying to use the ...
3
votes
2answers
649 views

ntpdate with crontab or ntpd?

(1)autostart one ntpd service in all cluster nodes and point the reference serve to one LAN server. (2)use crontab to ntpdate every certain minutes. In cluster environment, which will be a better ...
0
votes
1answer
211 views

Kerrighed cluster does not use all nodes when running OpenMP

I've been given access to a recently built cluster that uses Kerrighed. I'm the first user of this cluster, so setup and configuration problems may be a possibility. I'm also totally new to ...
1
vote
4answers
89 views

Distributed website server redundancy [closed]

Assume a website infrastructure is very complicated and is fully distributed (probably like most large web companies). Am I right in thinking that although there are all these extra web servers to ...
1
vote
4answers
813 views

Creating a home server cluster for data analysis

I've seen a couple of questions on here that are similar to what I'm thinking, but not quite. So, I figured I'd ask and see what falls out. Basically, I have 2 or 3 old, slower-ish laptops laying ...
0
votes
1answer
299 views

Search NFS network volume from OS X client

I asked: How does a Mac OSX SL or Lion user search the cluster for a particular file (foo.txt) From the cluster, you would need to run some form of recursive lookup for the file desired. As an ...
0
votes
2answers
60 views

Power requirements for this build enough? [closed]

I am currently in the process of building a series of desktop base units to act as a cluster (running Linux). It will be running 24/7 mostly so i need something that lasts. Here are the specs: CPU: ...
1
vote
1answer
113 views

Configuring MPI on 2 nodes

I'm trying to create really simple "cluster" from 2 multicore computers using openmpi. My problem is that I can't find any tutorials on that matter. I don't want to use torque because it's not ...
0
votes
1answer
2k views

installing Grid Engine “cannot reach qmaster”

I want to install Grid Engine on my laptop. I am using Ubuntu 11.10 under VirtualBox 4.1.6. (The purpose of installing Grid Engine is not to compute anything, I just want a working Grid Engine ...
0
votes
1answer
103 views

Specific difference between head-node and gate-way to a cluster

In the context of computer clusters what is the difference between the head-node of a cluster and the gateway to the cluster? Many people seem to use the terms interchangeably so I am quite ...
3
votes
2answers
357 views

Installing Sun/Oracle Grid Engine on a single machine

I want to install a Grid Engine cluster entirely on my laptop, the "cluster" having only two nodes, one head node and one node for computing. The nodes should run within the same instance of the same ...
2
votes
1answer
194 views

Can computers be linked to work together?

If you bought 10 Raspberry Pi's, could they be linked together to work as one computer? 10 Raspberry Pi's, 2560 mb ram, $350 Or would it not work? Usage: As a desktop PC. Not lab work etc.
1
vote
1answer
265 views

JGroups hangs at GMS: address is

On starting the Alfresco service it hangs at this line when, AIUI JGroups is attempting to join the cluster. Left for half an hour it didn't timeout and move on. Any suggestions as to what might ...
3
votes
2answers
469 views

How do distributed filesystems differ from cluster filesystems?

How do distributed filesystems differ from cluster filesystems? Is it just the wording that I am getting tripped up on? Are there any significant differences between the two.
3
votes
0answers
356 views

Installing new rolls on existing Rocks Cluster

I am on a supercomputer research team at a small university. We can't seem to find where the CUDA roll is installed on our Rocks cluster, and we're pretty sure it was never properly installed. We do ...
0
votes
1answer
110 views

update FAT32 file starting cluster number

I have a system that write files to a FAT32 partition but it frequently write the wrong starting cluster number for some files. I would like a software that is easy to use so I can just find the file ...