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In OPs case, many if not all the containers are accessing the same data, which would be passed as a mountpoint. It wouldnt really make sense to do that, since there's nothing to be gained backing up the container itself.

When you say "mainstream advice" its good to note the background, reasoning, and authority of whoever you are quoting. In an enterprise environment with security policies, or on a dirty (shared) hypervisor the advice certainly applies- but its a private homelab; I wholeheartedly recommend you...

Before answering the question (its really just the one) I encourage you to really consider the implications of an all docker workload. docker images are immutable and live in a repo; the only things you MIGHT want to keep a copy of is the docker-compose and container config, and those should...

I dont really understand. What stops you from doing this? not a single one of your asks is necessary for the operation of a pve node or cluster, but a lot of what you ask (and some you didnt) is included by my general purpose post install script. Where is it and why cant you use it? because it...

You are asking a lot from a relatively modest host. its doable, but you'll need to temper your "performance" expectations. on that subject- That will multiply the "performance expectations issue" substantially. In addition, doing a passthrough of an igpu to a vm is not "saving pain," it is...

Virtualization makes the most sense when you use it to break down work into small chunks. Imagine trying to fit tetris pieces that are 4 squares, and then you have a piece that is 48 squares in size. If your use case is really that big, the only reason NOT to run it on metal is if its a...

I'd consider this a bug. Please report it here: https://bugzilla.proxmox.com/

pbs storage isnt like NFS; if its not present it will not hang your host. I would investigate your logs a bit more carefully to see what the actual culprit is- perhaps you have other items in /etc/fstab and/or /etc/pve/storage.cfg?

what @bbgeek17 suggested should have been the first thing Veeam support instruct you to do. That kind of experience with their support (and other things) have led me to abandon using Veeam with PVE.

vmbr0 and vmbr1 are taken from your existing configuration... if they dont work, you have bigger problems. iface bond0.661 inet static ...etc You keep using that term. I'm unfamiliar with such a topology- is it ethernet?

The physical layer bringing your interfaces to your hosts isnt the relevent factor, its how you manage your logical networking configuration. I assume your ethernet interfaces you describe are 2x 25gbit and 2x 1G, so you have 4 interfaces (the 8gb are likely fc.) so you have two bonds, one per...

/etc/pve isnt a normal filesystem. its a special cfs that is kept in a database format, and gets distributed and synchronized in real time. you can read about it here: https://pve.proxmox.com/wiki/Proxmox_Cluster_File_System_(pmxcfs) /etc/pve doesnt have to be deleted to NOT BE STARTED- a...

You no longer have a cluster. or at least not a functioning one. before proceeding to troubleshoot adding a node, do you want to rescue the existing cluster, or start from scratch? if you want to rescue the existing cluster, you need to establish enough existing members for quorum (which will...

from a node in the cluster and the node being added, post the content of: /etc/network/interfaces /etc/hosts /etc/pve/corosync.conf (from a node already in the cluster)

you CAN have a gateway outside the scope of a subnet, BUT it will only work one way- traffic will route OUT to the gateway properly but incoming traffic will not. OP, pay attention to what your PC address is and gateway. if its not in the same subnet as your pve host, it will not route properly.

that is almost never so. ceph requires fast networks and SSDs to be performant. MD3200i doesnt even support anything faster then 1gb, and yet will yield more satisfying results at the cost of entry (likely free or next to free.) For your use case an MD3200 is a non starter, but for OPs (2...

post logs from the storage and host for the timeperiod the drop occured. it would also be good to look at your /etc/network/interfaces file, as well as your network setting from the storage (not just ip but connection speed and mtu) I'm guessing you have network issues.

Nodes failing isnt the issue. the quorum device is meant as defense against a silo connectivity "tie". Anything short of a room losing connectivity would be handled normally without it.

There are MANY. A simple script of freeze, rdiff signature, rdiff delta, thaw would get you where you want to be. It would be harmless to run it nightly- hell, even every hour but you can also condition the run with a modified date check if that really bothers you. PBS is simply the most...

More modern than what? My hardware is usually 2-5 years old before replacement. I wouldnt know. I have no use case for this. Passing cpu=host to the guest allows Windows to enable vulnerabilty mitigation code (spectre, heartbleed, etc) which is the reason its slower. outside of a homelab this...