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Questions tagged [cluster]

A group of computers acting as one super-computer.

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16 views

RPi cluster or a dual Xeon

I have a text processing project that is currently Bash, GNU Parallel and other command-line tools. It's getting moved to a C++ queue type design. It is about 14,000 files each day, plus performing ...
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1answer
40 views

is it possible to set up a Raspberry pi cluster to act as a single pi with increased resources?

I have acquired some extra raspberry pi's and am looking to make use of them all in some way. As I have been reading around, all of the "turn your Pi into a supercomputer" articles are only referring ...
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2answers
104 views

Combine 2 Raspberry Pi 3

Can i somehow combine 2 Pi's so i have a better CPU speed? I'm new to this so a link to some tutorials (if possible) would be nice I know you can create a cluster for a database so you can scale it, ...
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1answer
27 views

A way to connect M RaspiCams to N raspberry Pi Compute modules, where M>>N?

I am planning to set up camera rig, which will require 10+ cameras (preferred 20+ or "as many as possible" in spatial arrangement around the observed area. The setup will be academic, experimental, ...
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1answer
76 views

Blockchain and Raspberry Pi [closed]

I'm bit new to this technology called blockchain. I'm trying to make a small prototype on blockchain for some learning purpose. After reading few related contents I found it requires a distributed ...
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2answers
74 views

Raspberry Pi Cluster Pinout [closed]

I need 2 raspberry pi for my project (i'll use all pins on both pi's) and i want to control them with an interface on my laptop (used python tkinter) but i couldn't figured how to use both pi's. Maybe ...
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2answers
117 views

Powering a number of Pi from a single bench top power supply [closed]

I'm thinking of investigating the Bitscope Blade QUATTRO to host up to forty boards. Looking at the details each Blade can power the boards off a single supply, which need not be at 5V with up to 3A (...
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1answer
62 views

Adding non-ARM devices to bramble cluster

I've started a project to build my first Pi cluster and am currently setting up a cluster of three Rpi 3B+ boards each running the latest version of Debian My understanding is that that'll equate to ...
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0answers
235 views

Raspberry Pi Cluster using Pi Zeros and Pi 3's

In my previous post i discussed using Pi3s for a cluster, and received some answers and good links to further my understanding of distributed computing. I also received advice to cluster Pi3+'s ...
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1answer
268 views

Can Pi Zeros be used in a cluster like Pi 3s?

I am planning to run a cluster of Raspberry Pi Zeros. I know we can do it with a cluster of Pi 3 boards but I want to know is the same possible with Pi Zero?
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1answer
427 views

Raspberry Pi 3 Cluster

I was looking to make a Raspberry Pi 3 cluster just for the fun of it and for learning a bit about how clusters work. From my research I have seen that the cluster concept follows 1 machine which is ...
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1answer
363 views

Raspberry Pi 3B Dual [closed]

Bought our first Raspberry Pi months ago installed Raspbian but when playing a video there was some stutter Then we had an idea buy a second Raspberry Pi and fuse the two together now the real ...
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1answer
275 views

Unable to reach pi cluster with hostnames on network

I'm currently working on a project using 4 raspberry pi as a cluster. These pi's are attached to each other through a local network, but I need to be able to send command to it from a host computer ...
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1answer
51 views

max number of Pi 3's to safely plug into a wall [duplicate]

This post is basically a repeat of: Is there a maximum number of Pis that I can power from the same wall socket? However my situation is slightly modified. Particularly for wall sockets in Denmark, ...
0
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1answer
237 views

RPi Cluster for Materials Research

I'm Materials Science student interested in using an RPi cluster for calculations of materials properties. I'm very new to HPC but what I know about the RPI is that its processor is based on the ARM ...
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0answers
84 views

BitLocker Brute Force

I have a couple of hard drives from my old Windows PC setup which are encrypted with BitLocker. One is 160GB and the other is 320GB. Since switching to using a Mac, they have sat for the past 5 or ...
1
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1answer
441 views

Pi Zero Cluster with Lan over Usb

I want to buy some Pi Zeros and build a cluster. I wanted to ask if i add an Ethernet port through a mini-USB to Usb OTG Adapter and a RJ45 Adapter, then the Pi Zero would function like the standard ...
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0answers
463 views

How do I open protocols and ports between two hosts

I am trying to configure my Docker Swarm Cluster and need to have the following ports open so that my cluster can communicate and operate correctly: TCP port 2377 TCP port and UDP port 7946 UDP port ...
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1answer
806 views

RetroPie with multiple Pi 3s

I currently have a Rasp Pi 3 Model B running RetroPie on Raspbian that is wiring well enough, it can play everything pre-N64 fairly well, and can get through many of the N64 games out there with ...
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0answers
74 views

Is ethernet more efficient than wireless on a Pi

I'm thinking of building a small Pi cluster using a Bramble case or three, but I'm put off by the hassle of having a mess of Ethernet cables and a large router connecting together 10 or so so small ...
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0answers
302 views

Crosscompiling with distcc on Raspberry Pi Cluster

I wanted to make a cluster of Raspberry Pi's for distributed compiling (C++), so I started with just one Pi for testing. After installing distcc on my PC and the Pi and configuring them the compiler ...
4
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0answers
293 views

Is it possible to install Rocks Cluster Distribution on Raspberry Pi?

There are lots of websites about making a supercomputer with Raspberry Pi. Is it possible to install "Rocks Cluster Distribution" on Raspberry to have a more efficient cluster?
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1answer
98 views

One Python Program - Several Raspberries

I have quite a complex python program, and i would like to run one instance of it, on an environment, that would be managed by several Raspberries altogether, in a transparent fashion. I wish to ...
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1answer
118 views

Mounting holes of Pi3 same as Parallella?

I am planning to buy a RaspberryPi 3 to get started on that, but wanted to prepare for the future by buying a stackable case. Now I also read about the Parallella and find the idea very interesting ...
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1answer
80 views

Is there a maximum number of Pis that I can power from the same wall socket?

I'm trying to get an idea of how many pi's I can run at the same time from the same wall socket. I've done some research and it seems to me that the peak power consumption is somewhere around 750mA. ...
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2answers
420 views

Power multiple Pis through 5V GPIO and 5V wall wart

I'm considering making a Pi cluster (Let's say 8 Pi 3s), and instead of buying an 8-port USB charger and 8 USB cables of exactly the right length, could I use a powerful enough (8A?) 5V wall wart and ...
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1answer
408 views

Internal network between multiple RPis

Consider the following scenario where I have n number of RPis connected to a Ethernet switch in order to create a internal network. All these RPis have a static IP. Now one of the RPi (call it a ...
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1answer
2k views

How to install mpi4py on for Python3 on Raspberry Pi after installing MPICH?

I have installed MPICH on my Pi. I am making a cluster. sudo apt-get install python-mpi4py installs mpi4py. However, it also install openmpi which conflicts with MPICH. So, I started from scratch ...
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0answers
78 views

Bluetoothctl scan response in cluster setup

I have a raspberry Pi cluster with 4 nodes. I wanted to run bluetoothctl in the master node and receive just the scan response in other three nodes in the cluster. Please help me how to do this. ...
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6answers
15k views

Does Raspberry Pi cluster make sense for a small rendering farm

I have seen bunch of articles saying how raspberries could be joined to make a cluster. I basically am a 3d artist type thing and you know rendering a 10 second animation can take hours. So if I make ...
1
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1answer
899 views

Proper use of a rpi cluster

I have done a lot of reading about rpi clusters. Don't worry I am not going to ask if they function as a single virtual computer. I understand that they can be used to divide up complex tasks or ...
0
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1answer
535 views

GUI on Raspberry Pi cluster

I was thinking of building a small cluster (due to the small price) but i want to know if i can get a gui (like xfce or lxde) to run o the master/ host or whatever.
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3answers
177 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 ...
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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 ...
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1answer
1k 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 ...
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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?
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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 ...
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0answers
293 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 ...
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1answer
955 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://...
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1answer
890 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 ...
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1answer
4k 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/...
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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 ...
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2answers
3k 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 ...
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3answers
10k 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 ...
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1answer
3k 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?
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3answers
470 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?
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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 ...
32
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1answer
57k 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 ...
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2answers
856 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'...
5
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4answers
6k 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,...