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Sorry for the delay on this issue. We're starting to get more reports of it now, and are working on it, but so far have been unable to reproduce the issue locally. We've now put up a debug build for 'qemu-server'. It would be very helpful if you could install the packages and, if the problem...

Hi, this is a known error we are currently working towards fixing. So far, we've been unable to reproduce it. If possible, it would help a lot to install the following debug packages: http://download.proxmox.com/temp/bad-command-id-debug-output/ sha256sum...

Der Fehler aus dem Log ("got wrong command id") ist uns bekannt und wir arbeiten an einer Lösung, allerdings konnten wir ihn noch nie verlässlich reproduzieren. Falls möglich wäre es sehr hilfreich folgendes debug-paket von uns zu installieren...

Not in this manner, no. There is the built-in PVE firewall, but it doesn't support all iptables use-cases atm. Feel free to open a report at our bugtracker, but I believe this might be a bit out-of-scope, as you can already do that fairly easily with standard tools included in the Debian base.

Then I would advice to see if the issue persists and is reproducible, if so, post the logs, if not, well, fixed ;)

No, you need to rerun the commands at startup. The *correct* way to do this is probably via a systemd-service and using 'iptables-save' and such, I personally like to just make a crontab entry specified as @reboot that runs the 'iptables' commands.

To answer your question directly: You can pass through any block device to a VM using qm set <vmid> -scsiX /dev/disk/by-id/foobar-partY where X is the first unused scsi controller in your VM config (or replace it with 'sataX' or similar) and Y is the partition number to pass through. HOWEVER. I...

For ZFS, the 'ashift' value you enter when you create the pool determines the block/sector alignment. The default value for ZFS pools in PVE is ashift=12, which means 4k sector size - this should already be optimal for 99% of SSDs, including your Samsung 860s.

When you use dd it doesn't use thin-provisioning, so even unused space in the volumes takes up space on the physical disk. You can try specifying conv=sparse at the end of the 'dd' command to skip copying unallocated areas. You'd need to remove the already copied data beforehand though, to free...

Das klingt doch schon mal vielversprechend ;) PCIe muss nicht aktiviert sein, auch für PCIe Geräte. Es bringt in der Tat keinen performancemäßigen Vorteil "normales" PCI zu verwenden, da der Bus sowieso emuliert ist, und die einzige Beschränkung die physische Verbindung ist. Die Flag existiert...

Nein, snapshots können derzeit nicht gesichert werden. Es ist natürlich möglich diese per Hand zu sichern, indem man sie per 'rbd' client als block device sichtbar macht und dieses dann mit dem 'proxmox-backup-client' sichert. Das inkludiert dann aber natürlich nicht die VM config, bzw. wird...

Please post your 'pveversion -v' and 'qm config <vmid>' output for your Windows VMs. For any error messages, check the task log (at the bottom of the GUI for your backup job) and the syslog ('journalctl -e').

The GUI doesn't check for IOMMU groups, that is your responsibility. Meaning, when you assigned the WiFi card to a different VM, it most likely *did* save, and get applied, but when you then try to start the VM, it sees that IOMMU group 1 is already connected to your NAS VM (since you pass...

CPU and memory should be fine to mismatch, but disk size, count and layout must match exactly.

Sorry, that was unclear on my part. I didn't mean literally subsitute, just "follow the instructions for your WiFi card, even though it says GPU". But the 'lspci' output you posted shows the 'vfio-pci' driver already bound, so forget that part, that shouldn't be the problem. Looking at the...

Yes, you would have also needed to resize the ext4 (or xfs) filesystem residing on top of the LV. *Before* resizing that one. First, rename the old VG from 'pve' to something else, let's say 'old'. Then, install a fresh PVE on your other disk. Create all VMs you had previously, make sure to...

Please post the output of lspci -nnk. Is suspect what is happening here is that the host kernel has a built-in driver that is claiming the device, thus blocking the VM from using it. Follow the guide on GPU passthrough (substitute "GPU" with "WiFi Controller") to force bind vfio-pci to the...

You can restore VMs even if they don't exist at the moment. For that, select the PBS storage in the tree on the left and enter the "Backups" tab. You can restore any backup from there, you can assign it a new VMID. So yes, you can delete a VM entirely if you have a backup. Remember that a...

Did you shrink the filesystem on root (/) before shrinking the LV? If not, you most certainly corrupted your data. You can try data rescue applications to see if something is left, but by the look of things your data is gone.

The output looks normal, nothing out of the ordinary. I'd say maybe even look more into troubleshooting the guest - are you using the correct NVIDIA driver? (not sure, but maybe for Quadros you need a special one?) Does it work if you boot Windows bare-metal? This is all somewhat experimental...