I've been wanting to do something like this for a good while now for my own home server/lab, and with this video you answered most of the questions I had! Thanks a bunch!
I'm an expert on Kubernetes, so if you have any questions, just ask me. Also, trust me, 90% of home labs don't need Kubernetes, docker/docker compose/portainer/nomad are sufficient.
Id be careful with notion. Its freeware with a subscription additive, aka the most frequent business strategy to die and their stuff is not in plaintext so if they go down one day youre losing your brain maps and organization systems. There are opensource alternatives.
The things you did are good for a first setup but i have some tips: - make use of projects to add minecraft servers. In a project configuration you can tell how much resources a project may take. We have projects for our buildserver and management seperate so you can give for example someone access to the buildserver project but not to it's management project. - do for example the minecraft server in it's own namespace. If you do that it becomes easier to filter for it.
is that possible? splitting a programs execution over 2 sets of hardware, how would a program run over 2 CPUs? I have one of those lenovo M910q looking to get another for my proxmox running homelab.
Thanks! Probably not unfortunately, at least not on the channel. Maybe that could be a patreon/member only idea or something. It’s just hard making off topic videos
Setting up the storage as RWO was totally right. The only thing you got wrong was that you'll need to create a StatefulSet(sts) instead of a Deployment. That's because with a StatefulSet a pod replica is bound to a PVC. So when you do a rollout restart it will wait for the PVC to be unmounted before starting the new container. By setting the PVC to rwx you'll also lose a lot of performance, because it will share the volume via NFS...
With stateful sets there is a different issue: you _have to_ use several replicas. K8s guarantees that in a stateful set there will never be 2 pods pointing to the same PVC. So if a node dies, k8s will never replace the old pod, because it can't successfully terminate it. This is fine if your app natively supports clustering. For example, if you can run 3 replicas of minecraft server, each with its own unique disk storage, but with synchronized state, so if one of them dies, the remaining 2 will continue handling requests, and clients won't even notice. Databases usually have support for this mode. I'm not sure if minecraft server does. For stateful workloads that don't support clustering natively I'm yet to figure out something better than a deployment with a single replica.
I didn't have a clue what you went over on this video (b/c im new to all of this myself) but it looks very interesting. Keep making these type of videos because you seem to be more knowledgeable than what you put yourself to be.
just wanna say that rook is probably not the best choice for most use cases. It's pretty slow and pretty dang bad on 1GiB/s. I'd much rather use drbd with the piraeus operator that does reads locally. So you'll get full NVMe speeds on reads and really fast writes thanks to drbd9. It's also very fault tolerant and survives a node drain unlike Longhorn...
nice work For 6 months I have been searching for ways to implement this work. Please continue and show us all the ways that lead to the work of cluster and supercomputers.
Cool, I'm setting up with HP mini pc also a Proxmox setup like you. Question, I'm using Home Assistant and what a HAHA home assistant with this setup since redundancy is getting more and more important for me since 70% of the house is now smart, from AC, heatpimps, central heating (in Germany you use water), lights, window shades, PIRs, PV and battery, energy management and also CCTV with frigate and I did see you did install in one of your videos a google coral acceraltor in the wifi interface. Here is the question, should I have in all 3 PC with an coral acceraltor? I guess so but wanted to be sure 😊
Hello, I've just made a corosync and pacemaker cluster between two debian 12 machines and I want to install CasaOS on the cluster so the load is balanced between the machines. Is it possible to install CasaOS on the cluster and if it is, how?
If you really wanted to setup a high avelebility minecraft server you would use something like multipaper with multiple waterfall proxies with a load balancer plugin and redisbungee and a redis cluster.
Bro I'm in dog stage of all this, just setup my homeserver and have to learn all this stuff. Got a retropie up and running tomoght, something like this is next
Every time you say "mc" my mind adds "hammer" and I have to suppress a chuckle to not start seeming even more nuts to myself. Hammertime! diidiidiidi-didi-didi.
Many Nodes R/W can become a problem if the node is not completely down, but still running and just the network is disconnected. Then MC on the disconnected Node could still write into the volume, but also another MC pod would try to write there and in the end you would have data corruption. That's one of the bigger problems with Kubernetes and HA with persistent services :)
I bought 4 of the M75Qs and loved them so much I bought two more and then four M75Q G2s for the new production cluster. Four of them are as powerful as my single Epyc 7402p that has 180W TDP, so they actually use less power and cost much less! I use them for kubernetes clusters that I deploy with PXE booting using my unify/synology setup and configure with ansible.
Have you ever experienced that the Thinkcentre shutdowns/reboot when removing the monitor? I have a M630e which does this regardless of using HDMI or Displayport. And it doesn't boot backup before adding the monitor again. Kind a defeat the purpose of a server :)
Well, I'm currently training for the RHCE and the whole thing is about ansible. This could be an application for my elitedesk minis once I pass the exam.
I've been using a computer like those as mi personal local server, and I can say that those devices are immortal, and consumes very little power compared to the most of PCs. Thanks for the video!
I like your content but the constant upspeak mid-sentence is really grating. You do seem to do it less when speaking off the cuff, so here's hoping you grow out of it.
Loved this video. I am always curious on how this equipment works. I have not done a deep dive into it at all. But the day I do, good bye wallet. I enjoyed the video and subbed immedietaly.
Hey, I get an error: Task [K3s/POST: Apply Metallb CRS] *** FAILED - Retrying: [192.168.1.45]: Apply Metallb CRS (5 Retris Left). what could be the problem?
Hey, I'd like to do a K3S HA cluster between different NATs (mine and my grandparent's house), since the most risky part is the internet connection. I'm considering using Tailscale for the communication between the nodes and then have 1 node run my app at all times, and when that starts it tells cloudflare to set the A record to my current IP. Is this a good or flawed plan?
I've done the same thing with 3 HP Elite Desk mini pc. However, I created a Proxmox HA cluster then I created 6 VM's for k3s. 3 master nodes, and 3 worker nodes.
