Questions tagged [cluster]

A group of computers acting as one super-computer.

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votes
3answers
201 views

Clustering the 3.3v and 5v rails

Is it possible or advisable to connect the 3.3v or 5v rails of each Pi in a Pi cluster to other Pi's respective rails, so as to minimize loads across any one particular Pi's voltage rail? If it is ...
1
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3answers
2k views

Is it OK to install Jessie Lite on a Raspberry 1 model B?

My problems started when I used it as a master node in a cluster with 3 more Pi2B as slaves. Nfs4 did not run because of the portmap issue and then I could not install openjdk7 because of the packages ...
2
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1answer
2k views

How to connect multiple Pi Zero ethernet gadgets to a Pi 2?

I followed this guide to turn my Raspberry Pi Zeroes into ethernet gadgets and I did not change anything in the /etc/network/interfaces or /etc/dhcpcd.conf files. All of the SD cards were fresh ...
0
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3answers
2k views

USB Hub to power 8 Pis

Would this USB hub work to power 8 Pi 3's? If not... What are clean powering options for a cluster of 8?
13
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6answers
4k views

Raspberry Pi Cluster Computer

I have recently bought a Porta Pi Arcade, which is basically an RPi powered arcade machine running emulation station and retro pi. I am currently running mame, Sega genesis etc. Using the Pi 2 i have ...
1
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0answers
347 views

VPS on clustered Pi

Can I setup VPS on a clustered RPi? I think Raspbian takes only about a 100mb of RAM, so there's plenty of space left to 'virtual'ize another set of simple OS, but I'm not sure how. Any suggestions ...
2
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2answers
1k views

largest raspberry pi cluster

To my knowledge the cluster built by GCHQs is the currently the largest one. Does anyone know of a larger cluster currently being created? I found a 300 Pi cluster being built by this group http://...
1
vote
1answer
927 views

Would it be possible you create a retropie cluster that would run the different processes on each individual pi? [duplicate]

Hi I'm kind of new to the whole raspberry pi thing and have been researching about retropie that allows you to emulate games on the pi. Anyway would it be possible to create a raspberry pi cluster ...
1
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1answer
5k views

How to check ipv6?

So, I'm building hadoop cluster with raspberry right now, I need to disable ipv6 connectivity, and need to know whether ipv6 has been disabled or not. In some guide cat /proc/sys/net/ipv6/conf/all/...
5
votes
2answers
2k views

Can Compute Modules provide clustering and high availability?

I am very interested in Compute Modules, but have a few concerns: The main press release (linked above) for Compute Modules states that these systems are "primarily designed for those who are going ...
0
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2answers
4k views

VMware across clustered Raspberry Pi

I've read many threads about gaming clusters that always end up in "your software isn't built for clustering", but I've been lead to believe that VMware IS built for clusters. That being said, if I ...
2
votes
3answers
12k views

Raspberry Pi cluster running as gaming server (TF2 modded minecraft)

I am new to raspberry pi and I am keen to play with its capabilities. I am a keen gamer as well and would like to see if I could link the two. I have been reading up on raspberry clusters and I would ...
2
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1answer
4k views

Minecraft server on raspberry pi cluster

Can i run a minecraft server on a cluster of 4 or 8 raspberry pis (model B+), and use all core and ram for the minecraft server?
1
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3answers
509 views

Mult-head micro-usb cable

I am building a raspberry pi cluster. I am looking for a multi-head micro-usb power cable to power them. Does such a beast exist? Or can I make one myself?
1
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1answer
1k views

Load Balancer vs. Master Node

I have been doing some research in building a Raspberry Pi cluster, and I have found 2 main approaches to the cluster configuration. The first I found, such as this report from the University of ...
34
votes
1answer
63k views

Pros and Cons of a Pi Cluster?

I have seen a lot of posts asking how to build a "supercomputer" or cluster with Raspberry Pis, but I have found very little with the pros and cons of actually making a network of Pis. I am interested ...
0
votes
2answers
1k views

Connecting a Raspberry Pi Cluster

I'm thinking about building a computer cluster with a few Raspberry Pis. I've seen these directions: http://www.southampton.ac.uk/~sjc/raspberrypi/pi_supercomputer_southampton_web.pdf and one thing I'...
4
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4answers
8k views

Raspberry Pi for Machine Learning

I’m a software engineer interested (and doing research) in machine learning. For some of my machine learning models, I need more computational power than which offered by a single computer. Presently,...
1
vote
1answer
362 views

Unable to boot raspberry pi from copy of master

I am following the steps to build a cluster from Southampton uni "Steps to make Raspberry Pi Supercomputer" - step 32 and have got to the part where I make a copy of the SD card. The second Pi doesn'...
4
votes
1answer
3k views

Is it possible to do GPU-accelerated tasks on a raspberry pi?

I have been looking into doing some cluster computing on several raspberry pis. Is it possible to use any kind of GPU acceleration on a pi?
3
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2answers
6k views

NAS with a cluster of some raspberry pi

Is it possible to make a high performance NAS with a Raspberry Pi cluster (2 to 4 pis)? With high performance I mean able to handle streaming of 2 full HD movies at the same time. Let's say I have 4 ...
1
vote
2answers
201 views

SSH and rsa authentication on mpich2

I'm trying to build a small cluster of pi's and am using mpich2 to run parallel code. It appears mpich2 has installed ok and I'm able to ssh into both (I'm starting with 2) pi's. However when I run a ...
2
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2answers
714 views

Thermal Management in Raspberry Pi Clusters

I've been looking through several posts (on the internet) about building Raspberry Pi clusters- and my major question is something rather simple- what about the heat management? Would they overheat ...
4
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1answer
5k views

How to: build a graphics cluster

Currently, I am waiting for my second RPi to arrive and then I will begin my fun building a RPi cluster. Also, later I want to extend it more and more. =) I am building it at home, home-experiment, ...
63
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6answers
40k views

How do I build a cluster?

There have been a few articles floating around online over the last few years about building a cluster of computers at home - here for example. The Pi strikes me as a good platform for building / ...