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Hi, no, you should see it right away. zpool will warn you if theres another filesystem on the disk.

yes I'm using SSD's. 3 OSD's per Server. Exactly. I don't see a lot of traffic on my public network This is probably that: https://pve.proxmox.com/wiki/Full_Mesh_Network_for_Ceph_Server

Theoretically i don't see why not. If you boot a live system and DD one disk to another disk (Or just use clonezilla) it should be totally fine.

A lot of information is missing here. Please provide us with logs, when the NFS Share is not accessible. A "dmesg" from the Proxmox Node usually helps.

"qemu-img resize file.qcow2 10G" <= This can't work like that. You need to shrink the partitions in the OS first before you're resizing it in any case. I don't know if it will be possible then, because i usually didn't care, because of thin provisioning, that you apparently have too. So to...

Sorry, but we're gonna need a lot more information. How about a screenshot from "top" and iostat -x when it's running at 100%?

I have my CEPH Cluster Setup as followed: 3 Servers with 2 RJ45 1GbE Connections in Bond-Mode Failover. Those three Servers each have a Dual SPF+ Network card. I connected them without a switch and used bond-mode broadcast for that (Maybe that's not a such good idea with 100GbE) My Cluster...

I think this might help: https://unix.stackexchange.com/a/398884 Do that for every card that you don't want to use as output. Maybe it'll work. Got no experience with it. Usually i have a BIOS option for primary GPU.

I honestly don't understand any logic or question here. The only thing i think i understand is you wanting 2 replicas which is generally a really stupid idea in case of any node failure, since setting min_size=1 isn't really an option. Can you please rephrase your questions and add...

You can check the newly attached disk with "dmesg". It should show you the old disk disconnecting and the new one connecting and show you the new device name. But you shouldn't use /dev/sd* names. Better is to go with the disks uuid. Another methode is to execute: ls -l /dev/disk/by-uuid/...

You need to take the disk offline, replace it with a new disk and then run: zpool replace OLDDISK NEWDISK POOL As seen here: https://docs.oracle.com/cd/E19253-01/819-5461/gazgd/index.html

You simply need to create a new backup storage target and choose it while making backups. "Datacenter => Storage => Add" (You need to choose the type where to do backups directory, nfs, ceph for example) But it looks like your storage is full anyway, so you need a network attached storage to...

As far as i know a detach is only possible in a mirrored zpool. You can take the disk offline with "zpool offline"

If you want to we could talk in a meeting so we can actually try to fix it in that time. You'd be up for that? Could send you a private message to my conference system.

If you connected the shelf with two links to the LSI, try one. You could also try a SATA drive. Also you could do debugging with lsiutil https://www.thomas-krenn.com/de/wikiDE/images/4/44/Lsi_userguide_2006_20130528.pdf

Well, if you have only 2 nodes i hope you don't run HA. And i hope your CEPH Pool is configured with size=2 and min_size=2, otherwise you're playing a dangerous game. Which Windows product did u have installed? 10? Server 2019?

I tested it in the same environment. 3 Node CEPH Cluster setup from the GUI with PVE6.1 when it was installed. Currently Version 6.3.3. Created a VM with data and UEFI disk in CEPH Storage and installed debian 10 on it. Confirmed that it was UEFI. My results we're than no matter what i tried...

Can i just ask about your cabeling, how you connected it, if IT Mode is enabled on the LSI Controller and which cable are you using?Are you using SATA or SAS drives?

I don't know if theres a specific documentation on how to set this specific permission. PVEVMUser permission will allow people to logon to the pve Web-UI too and see a bunch of stuff. (Obviously only their stuff) You can create a new user in the pve realm and then assign this user with...

So it seems like you're mapping it correctly. (Just a side note, if you don't need guest access, disable it. But i can't seem to figure out the other thing. I'm quiet sure it's something simple though. Maybe that's helping you debug the issue...