Proxmox Virtual Environment Complete Course Part 15 - Clustering

Setting up a Proxmox VE cluster enables you to benefit from multiple servers to share load between, and also gives you access to live migration. In this video, we'll create our very own cluster and add two additional Proxmox VE servers.

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*⏰ TIME CODES*
00:00 - Intro
02:17 - Some general info before getting started
03:33 - Setting up the same networks on subsequent Proxmox VE nodes
08:05 - Creating our Proxmox VE cluster
09:14 - Adding additional Proxmox nodes to our cluster
12:32 - Live-migrating a virtual machine from one node to another

## Other Proxmox episodes:
Class 15 - Clustering: This video

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#Proxmox #Virtualization #Homelab

[MichaelCook-oolj]

There are precious few tech YouTubers making content as truly engaging and and educational as Learn Linux TV. Applause.

[DaddyElfMan]

took me about a week to get thru all 16 vids.. very well done. very informative. been in IT for about 40 yrs now, novice/intermediate to linux and proxmox, and last time I used or worked with vm's was back in 2012-13. building a home lab with some old decomissioned dell power edge servers (r710 & 720), for learning and for fun, (setting up minecraft server (java) and media server (plex more that likely)... but HUGE THANK YOU for these vids.... seen you had some about linux as well, will be watching those this week coming...

[ulzrintheswift]

I can always count on your tutorials. Thank you for not making half of the guide a Zima board advertisement

[samzick]

At the end of your course, you should do a mini series of random things to do with proxmox, like device passthrough to LXC, or passing audio from VM to host with scream.

[skatezone]

Excellent tips! I’m testing similar setups and sharing my experience on my channel.

[davidg]

The reason the output stops is because it joins the cluster and invalidates your current session as your user is no longer valid. There is some delay when this occurs, hence why sometimes you see some output and other times you see half of the expected output. It really depends. You can see this because the GUI now has a connection error.

[Vaillant]

Jay, thank you for the video. I just want to share some tips that I faced as a newbie. You cannot add to a cluster a Proxmox which already has containers or VM and clustering is easy to create but a bit more challenging to alter. Also, clustering two different install formats, for exemple ext4 and zfs raid 1 is creating issues. I'm sure there are ways to solve that last one but it was too advanced for me.

[microcisco]

Hi Jay - really enjoying your videos. Just clarification on the cluster - You actually have to apply an IP address for each network you create for the bridge. You created networks and you didnt set up the cluster in a different network but rather created the cluster in the mgmnt network and not cluster network. I have 4 networks (mgmnt, cluster, VM's and Ceph) and I followed your example but found I couldn't add in the cluster network as it needed an IP address and not network address. If you see your vmbr1 bridge under networks it has an IP address and not a network address. As soon as I changed mine, i could add in the cluster network and all worked fine - Just my 2c :)

[TheClembo]

Just loving this comprehensive tutorial on Proxmox, especially having watched the previous episode on shared storage, been waiting for that. Goes without saying it but I do anyway, thanks so much!

[alain-pierrep.]

Wonderful series, very informative. Side note : I highly recommend "prettyping" over ping. It's a simple bash script to "prettyfy" ping, showing latencies and lost packets graphically.

[gilbertnf]

We get lucky nowadays. Back in 2015 create a cluster and HA into Proxmox was a pain in the ass.

[MatthewCrofut]

Would like to see a video on quicksync passthrough. Some more info on privileged vs non-privileged containers would be great as well.

[zyghom]

I am just creating my clusters so thank you for this video. However, "it requires reboot" on Linux is so much... WINDOWS ;-)

[felicemassaro]

I noted that after clustering 3 servers, VMs do not start after rebooting server one if the other two servers of the cluster are still switched off. Moreover in such conditions even the backup on server one does not run until I switch on the other two servers. Is this normal? Would be nice to have a video on "how to undo a cluster".

[mick]

I noticed in the linux bridge you put a network id in and not a static address. Will this allow for the dhcp to work on that interface.

[jelliott]

If you have one server running proxmox then surely you have access to 3 virtual proxmox machines for a cluster? (to expt and follow along on)

[heckyes]

Incredible. How is promox free and open!

How the hell can it do this while the VM is active. At what point in time does the virtual kernel leave one CPU and start on the other?

[BrianThomas]

Hello. Great video. Question: What benefits would you have on putting Proxmox on different devices? Aside from high availability.

[stevennicholas]

How does clustering handle shared VM /Container ID? If is have two servers, each with webserver (100), how would clustering be affected? Would a backup and restore auto, matically reassign that ID?

[crimsionCoder]

So does a proxmox cluster increase availability and stability or reduce the time for task completion by separating out the tasks, like, let's say, machine learning and data science calculations? Or is it both tasks are separated across the node, and high availability is there by design?