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If it's a Linux guest run fstrim -v / inside the guest. See also remarks "trim/discard" in chapter 10.2.4 of https://pve.proxmox.com/pve-docs/pve-admin-guide.html#qm_virtual_machines_settings

Da mittlerweile der Host neu gestartet wurde kann man die Situation nicht mehr untersuchen und so bleibt nur noch Spekulation. Da im syslog nichts zu sehen ist wird es am ehesten eine Blockade in der Hardware der Netzwerkkarte gewesen sein. Sollte da nochmal auftreten bevor dem Reboot den...

It will not work but not because onboard cards cannot be passed through but the first found GPU is always "occupied" by OS for it's own console and therefore it cannot be passed through.

Creating Ceph networks is simple: define first the interfaces with IP addresses in GUi, afterwards specify these addresses in WEB_GUI when configuring Ceph. AFAIU you have just one 10GB interface (even in the digram it looks like meshed network; in the latter case some adaptions in network...

The easiest way would be to make a 14TB and a 2TB partition on the hard drive, both with ext4 filesystem and assign to the 14TB partition a "DIsk Image" and "Container" Storage and to the 2TB partition a "Backup" Storage.

Damit wird das Blockdevice aus dem System entfernt, das nachfolgende scan funktioniert offenbar nicht. Wo genau? Wenn man eine Disk neu formatieren will reicht es zumeist eine neue Partitionstabelle zu erstellen. Man kann natürlich auch alles mit Nullen vollschreiben: [COCDE] dd if=/dev/zero...

Check whether the phenomenon is equipment specific, i.e. try a different disk (also with different adapter) or maybe an USB Stick.

In principle yes, but step 8+9 can be done by a simple "migrate VM". Also be careful to not overlod node13 when it hosts VMs from all 12 other nodes. Proceeding more gently would be to start with node1 for this process, when it's completely finished node2 etc.

Sometimes there may problems occur with graphic display during installation. Possible workarounds: - try to install pve using an older version of iso http://download.proxmox.com/iso/ and upgrade afterwards - install pve on a different machine (can be also a virtual one, i.e. another Proxmox...

WEB GUI shows only block devices with the usual names as "sd...", "hd...", "nvme..." etc. - it's not usual to use a mmc card as storage, however, possible. Very easy in case of Storage type "Directory": crate a filesystem on it, mount it and define the mount point as path in the Storage...

Assuming you have VM 4000, with an already configured usb device (whatever it currently is) and you want to start this VM using the following usb device as ist is found via `lsusb` respectively 'lsusb -t' instead: lsusb Bus 001 Device 006: ID 0fe6:9700 ICS Advent DM9601 Fast Ethernet Adapter...

You cannot add a disk to an existing raidz3 vdev but you can add another raidz3 vdev to an existing pool ("tank" in the following example), e.g.: zpool add tank raidz3 /dev/sdn /dev/sdo /dev/sdp /dev/sdq /dev/sdr

Probably a hardware issue related to device I/Ovia USB. Try to run from the command line lsusb in this situation and check if the device you've connected is in the list. If there is no answer (and/or console is frozen) there is a problem with the usb interface (which causes blocking of all i/o...

Unfortunately not possible directly. As you mentioned you can specify the device by vendor/product or bus/port only (kvm would allow also bus/address, but it is not safe either). The only one what you can do: run a script before sarting the vm which figures out the current bus and port by...

Correct - additional remark: for the "virtual LAN" I recommend to configure an empty bridge (e.g. vmbr1) at the Proxmox host - even it would work with vmbr0 only too, but having a separated LAN would be clearer.

From the above not all details about your environment are known, AFAIU your WAN modem is connect via cable ethernet to NIC1 at Proxmox host where NIC2 is connected to WAN connector of WiFi (NAT) router. In other words both Proxmox VMs as well as some equipment communicating only via WLAN should...

Without knowing details about the mentioned physical machine: in such a case the nest step should be to examine the boot settings in BIOS, Proxmox can be also booted without EFi, therefore it's maybe the next step to allow legacy boot and define the disk where Proxmox was installed as 1st boot...

public-private keys login is a method for access via ssh and not possible for a consoie login. If you want to login into an lxc container without password you may use from host's command line lxc-attach -n <vmid>

Im Prinzip wohl möglich, der Teufel leigt im Detail. AFAIU die die virtuellen Disks der VMs im vmdk auf einem NFS Server, dieses Format wird auch von Proxmox unterstützt. AUch das Durchreichen der Disks zu einer VM, in diesem Fall zm NFS Server, der den ZFS Pool zur Verfügung stellt ist möglich...

Create a new bridge without any hardware interface. Assign virtual NICs of you VMs to it and they will build a local separated network.