Questions tagged [cluster]

A group of computers acting as one super-computer.

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Raspberry pi mining cluster

I just got into mining on my raspberry pi. I figured out how to run a cpuminer on my raspberry pi and I just baught 3 more raspberry pi 3 b's. I Found out how to cluster my pi's to form a large ...
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1answer
63 views

What is main use cases to build a kubernetes on a Raspberry pi cluster?

I want to evaluate the benefits of having a Pi Kubernetes cluster. Mostly I read that this project is about learning Kubernetes and hosting personal websites. Well, I understand that the learning can ...
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4answers
9k 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,...
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1answer
109 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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1answer
784 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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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 ...
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1answer
275 views

RPi 4 - 8 nodes - Appropriate switch for POE

I was thinking about an 8 port switch that can provide my 8 RPi's 4 power over POE. I think i have found one according to my needs ( small dimensions), namely the: Ubiquiti EdgeSwitch 10XP - https://...
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2answers
342 views

Cost-effectiveness of Pi cluster

Does it make sense to use Pi cluster for real computation? My use case is to carry out intensive computation tasks 24/7. The tasks are pleasantly parallel, and there will be minimum inter-node ...
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2answers
48 views

Raspberry PI 3 A+ x5 Cluster PSU Needed Recommendation

I plan to make this x5-x6 RPI 3 A+ cluster but I am no sure what USB Charger to use. I would really prefer something with 5-6 ports. I know the spec for output are 5V/2.5A and I plan to use it in ...
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3answers
301 views

Raspberry Pi Cluster for Computation

I am new to Raspberry Pi's (as well as this stackexchange) and would like to use them to learn how to build a small cluster. (Currently using this guide: https://medium.com/@glmdev/building-a-...
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RPI cluster - Quality vs Quantity

If I have a fixed amount of money to invest in making a cluster, let's say 165$, I could buy 4 'rpi 4's(1GB ram) or 3 'rpi 4's(4GB ram), or 33 rpi zeros. Thinking about the cost of the boards only, ...
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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://...
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API requests on standalone WIFI access point

After following this tutorial, I was able to create a standalone WIFI access point. Now, I would like to run a server I developed in C++ and do API requests from an App on my phone. Then, I would ...
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169 views

Can the Raspberry Pi cluster be used with Unreal Engine 4 to split up tasks and make it faster?

I am planning on building a raspberry pi cluster with my computer so can it be used to run UE4 faster and more efficiently on my computer than without the raspberry pi cluster(4 raspberry pi’s)?
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1answer
523 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
265 views

Can I just create a python thread per raspberry pi for parallel processing?

I have been looking to make a cluster of raspberry pi 4s, and have been pretty interested in it and made good head way. I have seen quite a few guides on the topic as well. I followed this one found ...
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48 views

Static IP address on the Raspberry PI 3 in combined network

I building cluster computer with two Raspberry PI 3 where I have 1 internet router and one LAN switcher. Both Raspberry PI are connected to the switcher. Internet router gateway is 192.168.1.1 LAN ...
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1answer
55 views

Is my ClusterHat faulty or my RPi GPIO fried?

I've been using a ClusterHat (1RPi + 4 PiZeroes) and all has been well until recently. The PiZeros boot off the RPi's SD card using the ClusterHAT-2018-10-09-lite-1-usbboot boot image, and when I ...
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38 views

Loading root file system from NFS

I managed to simulate a Cluster HAT like environment with a Linux machine. I launched rpiboot with the modified config.txt, cmdline.txt and initramfs (which is missing from the original setup but is ...
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1answer
83 views

mpiexec with mpi4py not executing on startup raspberry pi

I have a python programme that works out primes that I have set up with mpi4py, for it to run on my raspberry pi cluster, and I can normally run the command from any directory but when I put it in rc....
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0answers
217 views

PI2/3 Cluster with Hass.io (Home Assistant)

I have a Raspberry PI Cluster (1 master PI/2, 2 workers PI/3) with Raspbian, Docker, Kubernetes installed. I have no volumes defined (OpenEBS seems not officially supported yet). I initialized helm ...
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100 views

Raspberry Pi Cluster Computing With MPI

So I have followed this tutorial on how to make a Raspberry PI cluster computer. It works great, I can parallel my processes with MPI, but I'm also wondering if this is possible. Currently, all four ...
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How to attach two raspberry pi zero w together with sepatate independent displays?

How do I attach two raspberry pi zero w's together with sepatate independent displays to function as "one computer with extended display on two panels"? The two displays are HDMI with usb touch (7 ...
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1answer
418 views

TensorFlow on a ClusterHat

Has anyone experience of running distributed AI on the Cluster Hat using Pi Zeroes? Specifically, can I run TensorFlow on a Cluster HAT ideally using the GPUs on the PiZeros as well as on the ...
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81 views

Technologies to use in a peer to peer, file sync, high availability, cluster like, backup solution [closed]

I've been doing research on how to setup a self host backup high availability solution using raspberry pi's. The biggest requirement is master to master replication and cross platform client support. ...
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1answer
90 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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0answers
411 views

Is it viable to run a cluster of Pis on PoE?

I’m thinking of experimenting with clustering RPis, but the thought of that mess of equipment (switch + multi-port USB charger) and cables is a bit of a turn-off. Does anyone know if there are any ...
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0answers
46 views

Duplicate output in MPIEXEC

I have installed MPI on my 3 node raspberry-pi 3B+ cluster and whenever I run any command I get 12 replies, 4 from each node, as an example, when I run mpirun -machinefile machine-file hostname I get ...
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3answers
784 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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2answers
826 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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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'...
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1answer
243 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
121 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
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 ...
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2answers
520 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
77 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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1answer
421 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
661 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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1answer
799 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
939 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 ...
5
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2answers
3k 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 ...
36
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1answer
66k 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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1answer
754 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
59 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
301 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
266 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 ...
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1answer
575 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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0answers
782 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
996 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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6answers
20k 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 ...