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Normally a pci-passthrough (NIC) is the better approach for such setups. Because it needs less CPU time to handle the packages on multiple layers.

If I remember correctly you need an extra key and Mellanox switch to upgrade to 56G

How are we supposed to solve this?

This indicates something is not working with the network. Do you use a proxy, IDS or does your DNS blacklist domains dynamic?

Try to add this at the bridge section bridge-vids 2-4094 after applying use this command. bridge vlan vmbr0

Hi Rainerle, No this is more or less the same. If you like snapshots do it on the host.

Yes Can you please provide a link?

Hi, try to use scsi instead virtio bus. Also, switch the scsi controller to virtio controller. Maybe a change of the machine type is required. Do you are sure the VM use UEFI?

Hi, you mix two different technics in the first config. VLAN aware means that the bridge handles VLANs, but you create another bridge that is a VLAN device. This does not work. Instead, you should create a VLAN dev iface vlan100 address 192.168.100.1/24 vlan-id 100 vlan-raw-device...

Hi, I guess you got network/DNS problems. Please check your Network connection.

Hi, BTRFS und MergerFS wird nicht von Proxmox VE unterstützt. Ich verwende aber selber BTRFS mit Containern und haette keine Probleme feststellen können. Aber wozu verwendest du MergerFS? Wozu braucht du das?

Hi, If you use ZFS on both hosts, you can use pvesr to replicate the data.[1] But if you were really talking about backup, I would recommend you to install a container with Proxmox BS [2] on both hosts and sync the backups. Rsync vdisk direct is dangerous and can produce corrupt backups on the...

Hi, did you upgrade the NIC firmware? Mellanox NICs are known for incompatible with new kernels and old controller firmware.

Hi, I don't know what you mean by compatible? KVM Switches are not integrated into the OS. VGA and USB should always the same on any OS.

Hi, you can't shrink a zvol, either a zpool. Generally, I would not recommend you to use ZFS on ZFS.

Hi, this is not an easy task where you just set two parameters. So there is no simple answer to your questions. You have to deep dive into ZFS, Linux boot, ... I would start at Arch Linux wiki [1]. 1.) https://wiki.archlinux.org/

Hi, I guess you understand the ballooning device wrong. The balloon driver allows guests to express to the hypervisor how much memory they require. The balloon driver allows the host to efficiently allocate and memory to the guest and allow free memory to be allocated to other guests...

Hi, du müsste ein bisschen genauer sein, wo du die Netzwerk Geschwindigkeit gemessen hast. Und wenn du eine CT/KVM verwendest wie sind die settings?

Hi, You can make a storage migration, but this does not mean that the storages are sync. If you like replication, you have to use ZFS. With ZFS, Proxmox VE provides storage replication [1]. 1.) https://pve.proxmox.com/wiki/Storage_Replication

Hi, yes, this looks good. But multipath setting highly depends on NAS configuration(Vendor specific). Do you use LVM on this LUN, or do you create for every VM an extra LUN? I would recommend you to use LVM.