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Aha...!? If you would like to get help you need to post a lot more information about your specific problem. a) what did you try to achieve? b) what did you do (in detail!)? c) what did you expect to happen? d) what happened instead? Post all commands with its output in ...-tags please...

HA will migrate Resources when one node is not available anymore. The mechanism behind is "corosync". This mechanism does not watch storage. This leads to the problematic behavior you observed: when "only" storage fails the respective VMs do not migrate. Yes! Always! ZFS has the capability of...

Get any "Enterprise Class"-SSD with PLP (Power Loss Protection). Some search engines support filtering for this, a German example: https://geizhals.de/?cat=hdssd&xf=7161_Power-Loss%20Protection~8250_4TB%20(3.84-4TB)&promode=true While this is usually emphasized in the ZFS context the...

Also..., die untere Hälfte im Screenshot ist "pbs-test", das willst du vermutlich gar nicht einbauen --> einfach weglassen ;-)

Fortunately I've never had big trouble with booting my systems, so I luckily don't have experience with that. The installation .iso has a recovery mode. Search for posts working on that level to recover from boot problems. Sorry, that's all I can say...

See also https://forum.proxmox.com/threads/proxmox-backup-server-fails-to-boot-after-zfs-boot-mirror-replacement.170145/

Sorry I do not see anything wrong here, at least not on the first glance. If you really, really, really feel the force to double-post a question in multiple places then at least link them! --> https://forum.proxmox.com/threads/proxmox-install-fails-to-boot-after-zfs-boot-mirror-replacement.170111/

The address is configured inside the VM, right? You could mount the virtual disk on the host and manipulate the configuration from there. What I do is this: for the cloned VM go to Hardware --> Network Device --> Edit. There is a "Disconnect [x]" checkbox. Check it ;-) Now you can start...

Well..., a RAID10 (with two vdev) will give you double the IOPS of a single RaidZ vdev. If this is relevant depends on your use case - and the specific test you run to check the behavior.

If this is the only storage "for everything, but with an unknown use case": go for striped mirrors (aka Raid10) and add a fast "Special Device", consisting of two "Enterprise Class" SSD - which may be small. (Below 1 %; ~30 TB --> 300GB) Just my 2 €¢...

Okay. On the second screenshot you set "ip link up" and "ip addr show" did confirm success. Nevertheless the next screenshot lists "Link detected: no". I am out. I have no idea what is wrong... :-( The other two screenshots are storage related. I would not expect this to be network related...

Yes. What you are looking for is "replication". It requires to have ZFS on both ends. It does the "trick" to only transport actually changed data. https://pve.proxmox.com/pve-docs/pve-admin-guide.html#chapter_pvesr

Fine, "qm config" is okay. But that screenshot shows the problem: ens18 is DOWN - it should be "UP" of course. Everything inside the VM: Examine the state more low level: ethtool ens18 and post it Reload the configuration from "interfaces": ifreload -a Restart the whole network stack...

For debugging ssh use ssh -v user@host. Up to three "-v" may be useful. See man ssh. This is without modifying the server part, which has its own debug mode: man sshd shows "-D -d" for example.

Great! Now use ...-tags around the pasted text, for the next posts. See the "</>"-symbol to open the "Code"-editor. Everything's looking fine, so far. When I wrote "qm config <your-vmid>" you should have converted it to "qm config 103" as 103 seems to be your VM ID (from the last screenshot)...

I do NOT use Backblaze, so take my idea with a grain of salt: When you write a new backup the data is transferred to Backblaze. I am pretty sure they have fast (and secure) storage to put that incoming data in, before it is transferred to the final destination in their large, multi-tiered...

Okay. I've never used noVNC to connect to PBS... PBS is a virtual machine? I wasn't aware of this :-( That information is still lacking. There is a (small, near zero) chance that /etc/network/interface is not being used. ---- Because that seems to be a VM we now have to debug PVE... PVE...

Which operating system? Which browser? We are talking about the PBS web frontend --> Administration --> Shell, right? In my Librewolf (=Firefox) I can utilize the right-click context menu to copy and also to paste text. Oh, stop! How did you connect to the web frontend if you... can't? What is...

I think we are missing something more fundamental. Did you check the actual IP address pbs has? In your posted output it is not shown anywhere. Please show us: ip address show # currently active IP addresses on the PBS ip route show # currently active routing...

Yes - all data stored on that OSD. But: "If you think to re-add the content of that OSD: Ceph should have repaired/re-balanced itself a short while after the crash by shuffling around the actual content. The content of that old OSD is probably irrelevant and can not get re-integrated into the...