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I believe some are out there, but no official reference documentation. Do not pass-through disks! Pass-through a controller! ... Actually I rely on the makers of TrueNAS - they should know, don't they? This old article is still valid...

You can decrease the wearout per time if you use a device with PLP - actually writing data to the hardware cells is going to happen more infrequent. Unfortunately the A400 series lacks this feature. Additionally PLP will increase the performance of synchrone writes drastically.

Well, I am fairly sure Corosync does not "know" (or care about) the other services running on one of the rings. Why would it? Yes, complexity is a beast - earlier or later it bites! But, hey, it's a Homelab - and I want to have fun :-) (And yes, one needs to have a very specific mindset to...

That's surprising to me. While you do have a cluster (your playground) your always-on-services have no redundancy / HA? In my Homelab I do it the other way around: nearly everything is in my cluster, approx. half of it with HA. For "dangerous experiments" I use either a standalone PVE or a...

I have no idea, sorry. If you have trouble to install PBS using the .iso-installer you may install a vanilla Debian instance first and then put PBS on top of it: https://pbs.proxmox.com/docs/installation.html#install-proxmox-backup-server-on-debian

Maybe you could ask them via https://shop.proxmox.com/contact.php ? That's what I would do with such a large system to plan...

If they were important you would have multiple backups. Unfortunately @BD-Nets might be right. The problem with recovery from the other disks is that it depends heavily on the used filesystem. Which type did you use? LVM? LVM-thin? ZFS? Ext4fs? It may get messy very quickly, so the very...

Before I go that route I would take two (or three!) USB-to-NVMe or -to-SATA Adapters and put some small known-good devices in there. That's not really professional, and I have always said that USB is not a good idea in this context. I had run a MiniPC for some time this way with a triple...

Naja, Einstiegsprobleme können vielfältig sein - nicht nur PVE spezifisch. Und das schließt durchaus "bedienen von XenForo" mit ein. Und "viel Arbeit" machen wir uns doch nur, wenn es uns gerade "in den Kram" passt... ;-)

Ich habe für Experimente, die keinen Zugriff auf "das Internet" benötigen einfach ein semi-isoliertes Netzwerk definiert. (Alles hier ohne SDN.) "Semi-isoliert" soll hier bedeuten, dass mein Router schlicht kein Interface in dem Netz hat. Das versehentliche kontaktieren dieses Netzes ist sowohl...

Depending on your specific expectation... it will probably work. There is no magic involved :-) As soon as you need to tap in into one of the point-to-point networks you'll see the problem: you can not connect a fourth device, e.g. for trouble shooting. 2.5 GBit/s switches are cheap...

Naja, damit wir irgendetwas sagen können, was dir helfen könnte, brauchen wir etwas mehr Informationen. Reine Vermutung: du hast PVE Version 9 auf irgendeinem Rechner installiert und irgendein anderer Rechner kann dessen Webinterface nicht aufrufen. Richtig? auf welchem Rechner hast du PVE...

Bitte nicht identische Inhalte doppelt posten: https://forum.proxmox.com/threads/fhfhg.173753/

Probably yes! My choice would be OPNsense nevertheless. It just has all the bells and whistles one might want. And you are not forced to enable/use them all at once - but they are available when you realize you want some new features next year. Disclaimer: while I have two virtual OPNsense...

Perhaps the very new (unreleased!) Datacenter Manager can help you in some regard: https://forum.proxmox.com/threads/proxmox-datacenter-manager-0-9-beta-released.171742/

That wasn't obvious from your first post. A lot of users come here with lowest end hardware and/or semi-damaged systems - wondering why they have problems. Good question! I have seen similar behavior - a single high level task slowing down a whole system. And I have had systems with a classic...

Probably not, I am not sure. But it is by far more safe! The risk lies always in the rebuild-process because the vdev has to actively read all drives to reconstruct the data for the new one. That's (a little, little bit) dangerous. If you "replace" the drive while the old one still being...

To operate a cluster you need to have "Quorum" = more than 50% of the votes. That has been mentioned here a zillion times. (And this is not restricted to HA.) Build a separate thingy to give that third vote! --> https://pve.proxmox.com/pve-docs/chapter-pvecm.html#_corosync_external_vote_support...

Why don't you ask that simulated intelligence? You may read man zpool-upgrade. After executing "zpool upgrade" and using (as far as I know) those features you need a kernel module with a new enough zfs kernel module to utilize ZFS. In PVE context that works fine, all 9.x versions are...

I've never done that, sounds like a neat pitfall :-) Now you may need to follow: https://shop.proxmox.com/index.php?rp=/knowledgebase/6/Server-change---How-can-I-move-my-current-subscription-key-to-the-new-server.html