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Homelab

This repository will give an overview of my homelab journey.

Initial considerations

I wanted a small, silent, efficient but powerful home server and was considering the below options:

Hardware:

Software

  • OpenStack / DevStack
    • I could see this being kinda fun but even though I do have some basic OSP experience I do risk spending too much time on the OSP side of things.
  • OpenShift with KubeVirt and Hypershift
    • Future looking, pretty interesting, but will require some outside supporting services (DNS etc).
  • Proxmox
    • No experience with this, but seems fairly simple.

In the end I opted to go for the fun DIY route and go with a small custom build tower with some dubious AliExpress parts and go for bare metal SNO OCP. However, I really was tempted by the nuc type cluster and go full DIY after coming accross this! In terms of software though, I think for my purpose I'd get better bang for my buck and remove any virtulization layer and go for running containers on bare metal.

Parts list

I bought the parts from a mix of AliExpress, eBay, Scan and Amazon. I was able to source everything with my budget of £1k through timing and bargaining.

Item Component
CPU AMD EPYC 7551P CPU (32 cores, 64 threads)
Motherboard Supermicro H11SSL-i motherboard
Memory Samsung 32gb 2133MHz DDR4 ECC RAM - x8 (256gb)
PSU Super Flower LEADEX III HG 850w Gold PSU
SSD1 Crucial P5 Plus 2TB M.2 PCIe Gen4 NVMe
SSD2 Samsung SSD PM1735 HHHL PCIe card 1.6TB NVME SSD
GPU GIGABYTE GT 1030 Silent Low Profile 2GB Graphics Card
Cooler Noctua NH-U14S TR4-SP3 for AMD sTRX4/TR4/SP3 (140mm, Brown) Noctua NF-A15 PWM
Fan Noctua NF-A15 PWM, Premium Quiet Fan, 4-Pin (140mm, Brown)
Case Raijintek Thetis Aluminium ATX case

Build:

I was quite happy with the build. It's fairly small, powerful, quite and the power consumption isn't bad.

homeserver

Build issues:

I did come accross a few issues when putting this sytem together:

  • Networking - IPMI was coming up on a static IP address on another subnet.
    • Resolved by removing the existing static IP config for the IPMI in the BIOS.
  • BMC - Admin password had been changed to what was on the motherboard.
    • Resolved by loading supermicro’s ipmicfg utility onto a USB and booting into UEFI shell tool to add/reset users/passwords.
  • SSD - M.2 SSD was not being recognised.
    • Resolved by a BIOS setting to change pci/m.2 device compatibility from being 'Vendor Defined' to 'AMI Native Support.
  • Memory - DIMMH1 was not recognising the installed memory module.
    • Resolved by removing a case standoff that was touching the underside of the board; only an issue due to using a server motherboard in a consumer case.
  • Fans - Supermicro fans were ramping up and down though using consumer grade fans.
  • BMC Licence - "Not licensed to perform this request. The following licenses SUM DCMS OOB were needed".
  • Disks - SNO requires two disks if wanting to use kubevirt.
    • Resolved by adding a second disk.

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