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0answers
12 views

SGE job does not run with -l hostname, but okay without it

I'm trying to submit job on specific computing node using sun grid engine, 6.2u5. If I submit job without hostname in batch file, It's running well. But, if I put "#@ -l h=node20" into batch file to ...
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1answer
46 views

Grid storage for large files on multiple external machines

I have several dedicated servers with unused space on them. 16GB+ RAM, some have SSD, other HDD. All have minimum 100Mbps connection. OS is Debian 7 64bit. There is no LAN connection between machines ...
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1answer
137 views

Error while using oraenv

I'm using Oracle RAC in RH6, and when i try to use the 'oraenv' utility to set the variables with the user oracle, i get an error: [oracle@vhor12 ~]$ . oraenv /bin/.: Permission denied. Using it in ...
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1answer
89 views

Does anybody wish to help a poor researcher publish a paper? [closed]

I don't know if this is a good place to beg for help, but here it goes: basically, I need to run a secure recommender system simulation (C++ console application) in order to meet tonight's deadline, ...
1
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1answer
71 views

Best practices for backup on a massively parallel grid system

I work in the research group of a large company. We do a lot of work on a grid processing system with many nodes (More than 200, I'm not sure exactly how many) and several harddrives. More than 1000TB ...
3
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2answers
81 views

Are there cluster resource schedulers abstraction layers?

I'm writing an application that could potentially be run on any cluster resource scheduler (SGE, LSF or SLURM to name a few of them), using very basic functionalities. I'm wondering if a ...
0
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1answer
111 views

Is the Xgrid Controller still a 32-bit process?

So Lion generally represented a pretty serious move toward 64-bit systems for Mac OS X. But while I was poking around the Lion Server: Advanced Administration guidelines here: ...
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2answers
74 views

How to build a cluster where users have power to remove/add?

I work in a company where each engineer/scientist has a pretty high end desktop machine. 80% of the time, they are not pumping it to full capacity... This makes me sad. I want to be able to install ...
3
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1answer
1k views

Overlapping queues on Sun Grid Engine?

We would like to have an SGE-based compute cluster with a queue that gives access to all nodes for the computational staff, and a second cluster queue that gives access to, say, half the nodes for ...
4
votes
2answers
344 views

GNU Queue - alternatives

I'm tried to build a grid-cluster based on CentOS. All the machines will have a somewhat similar structure (some with more processors than others) and I will just need to push jobs to a queue and have ...
2
votes
1answer
297 views

Alternative of GlusterFS for Hardware

When you look at my question title then you might think I am going to ask for alternative of GlusterFS in the space of storage,but what I am looking for the hint is basically I want to find software ...
0
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2answers
66 views

Advice in private clouds/grids?

I'd like to build my own private computing cloud, or so-called grid. I have access to IT classrooms with a bunch of fast computers, and I'd like to utilize that huge horsepower. (Or even just use the ...
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2answers
128 views

I'd like to create a grid of PCs on which to run virtual instances of WinXP. What is the best method?

I'd like to create a grid of PCs on which to run virtual instances of WinXP. What is the best method? I have a number of dual-core intel desktops and I'd like to run a few of them to create a high ...
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vote
1answer
231 views

Is GoDaddy's grid hosting impossibly slow for PHP apps?

Godaddy's grid hosting, which runs on the cloud, just came out last year. I have one of their old shared accounts (your files are on one server), and one of the new "grid" cloud shared accounts. I'm ...
0
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1answer
108 views

Single server investment for MPI and GridGain

Our department has $16k to buy computer hardware for high performance computation. The purpose is to do simulation and data analysis using multithreaded applications written with MPI or GridGain, so ...
3
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5answers
535 views

Productive uses for an idle web server?

I have been renting a Windows 2008-based Virtual Server from 1&1 for the past few years. It is located in a well-connected server farm, has 10 gigs of space, and unlimited Traffic. I used to host ...
1
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0answers
107 views

How can I scale my RoR applications?

I am developing a Ruby On Rails application and would like to deploy in a production environment. I have multiple identically configured Ubuntu web servers I can use but I don't know how to scale ...
4
votes
4answers
522 views

Is it dangerous to have several parallel jobs create the same directory at the same time?

Is it dangerous to have several parallel jobs create the same directory using mkdir -p? (This is under Linux.) In my case, I send many jobs to a SUN grid to process them in parallel, and some of ...
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3answers
177 views

cloud/grid computing

I'm appologizing in advance to the guys who will tell me this isn't a tech/server/IT issue! But I've been beating my head around this for a couple of days now. I'm trying figure out who to talk to, ...
4
votes
2answers
881 views

How to manage processes-to-CPU cores affinities?

I use a distributed user-space filesystem (GlusterFS) and I would like to be sure GlusterFS processes will always have the computing power they need. Each execution node of my grid have 2 CPU, with 4 ...
0
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1answer
564 views

Centralized cron for grid cluster

I have a grid cluster. (It's running SGE, but I don't think that's relevant.) All the machines are intended to be able to drop out and come back at any time without any significant issue. However, ...