Cluster Pi [gav-pi9 & gav-pi4 / 13 / 14 / 15]

Cluster Pi

One thing that I've always been interested in doig - for no reason other than I've never done it before, was to set up a Raspberry Pi cluster.

I know that this is no super computer - that's not the point... the point was to learn how to cluster computers together and get them to do something remotely (possibly) useful.

There are many ways to do this, ranging in cost from not much to lots and lots. I decided to play with the Cluster HAT which is "not much" range.

Cluster Pi

The Cluster HAT is basically a USB hub which allows up to 4 Raspberry Pi Zero (or Zero W) to be attached in a headless configuration, using USB Gadget mode to create a network interface between the host (Raspberry Pi 3 in my case) and the worker node. The HAT also has power control to allow sequenced powering up of the worker nodes, and provides easy access to the console pins.

Cluster Pi

This was a good use of my Pi Zero which was sitting doing nothing, but I "had" to buy 3 more to complete the hat. The old one is an original v1.2 board (purchased within 5 minutes of them going on sale), and the 3 new ones are v1.3 (with the camera header).

So, what does it do? ... not much yet as I've only just set it up, but watch this space!


Case: Cluster HAT Case
Board: Rapsberry Pi 3 (version 1.2)
SoC: Broadcom BCM2837
CPU: 64-bit Quad-core (ARM Cortex-A53, ARMv8-A arch) @ 1.2Ghz
GPU: Broadcom VideoCore IV@ 400 MHz
HAT: Cluster HAT (v2.4)
Board: Rapsberry Pi Zero (version 1.2 [x1] & 1.3 [x3])
SoC: Broadcom BCM2835
CPU: ARM1176JZF-S (ARM11, ARMv6Z arch) @ 1Ghz
GPU: Broadcom VideoCore IV@ 250 MHz
RAM: 512MiBytes SDRAM
Storage: 5x Sandisk Ultra, class 10 (16GByte micro SDHC - one per Pi)
Sandisk Ultra Fit (64GByte USB 3.1 - shared storage)
Monitor: DELL P2418D (24inch 16:9, 2560x1440 IPS panel)
Keyboard / Mouse: Logitech Cordless Desktop Comfort Keyboard
Logitech MX Master Mouse
KVM Switch: Belkin F1DN104Cea (Secure 4-port DVI-I, USB2.0, audio & CAC)

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[ Page last updated Thu 12th Mar 2020 | viewed 197 times ]