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  1. M

    Windows Server 2016 - Proxmox 7.3-3 - Impossible to install Virtio Drivers

    Hi, As the title states, I tried installing virtio drivers from versions virtio-win-0.1.137 to virtio-win-0.1.185, each time on fresh install. They all report the same thing, "windows cannot verify digital signature"... Which leads me to believe that the virtio drivers were signed with a newer...
  2. M

    VM Notes "maximum length for this field is 8192"

    Hello, I'm trying to leverage Notes to fit my needs, however I'm unable to save a small JSON snippet; I get the following message via UI: The maximum length for this field is 8192 Is there a workaround? Many thanks
  3. M

    Proxmox 7.3-3 default SCSI Controller

    Hi, Why is the default SCSI controller for Windows VM's single now? I have a previous Proxmox (below 7.3) and the default controller is just SCSI and not single. Any specific reason for this? From my testing they have the same performance, and on top of this the single controller with IO...
  4. M

    Guest API clarification (network-get-interfaces)

    Hi, This question is about https://pve.proxmox.com/pve-docs/api-viewer/#/nodes/{node}/qemu/{vmid}/agent/network-get-interfaces. Can someone explain to me what these represent? "statistics": { "rx-packets": 501361, "tx-bytes": 15465504, "tx-dropped": 0, "tx-errs": 0, "rx-errs": 0...
  5. M

    [SOLVED] PVEFW Logs with custom rules

    Hi, I'm not sure if I asked the question already, checked but cannot find in my posts. Basically I have some custom iptables rules per VM/adapter and I do logging. These logs go into the main node logs instead of the VM Firewall logs. /sbin/iptables -N ... /sbin/iptables -A ... -m limit...
  6. M

    VM Blacklist IPset

    Does PVEFW read this if we add it to VM firewall config? [IPSET blacklist] I would like to have a blacklist per VM. Thanks
  7. M

    PVEFW NFLOG with custom rules

    Hi, I have created my own LOG chains for specific rules added for each guest. My first question is how can I log in separate log file like PVEFW does per guest? Currently all logs go into the Node's firewall log. Second question is, how can I format the log output to be similar to PVEFW? At...
  8. M

    Backup of VM failed: unable to connect to qmeventd socket

    Hi, Proxmox 7.2.11 INFO: starting new backup job: vzdump 100 --compress zstd --mode snapshot --mailnotification always --notes-template '{{guestname}}' --quiet 1 --storage backups --prune-backups 'keep-last=1' INFO: Starting Backup of VM 100 (qemu) INFO: Backup started at 2022-11-13 22:30:04...
  9. M

    Guest iptables rules

    I`m trying to add some custom iptables rules (like connlimit) for guest machines. Example rule is: -A tap101i0-IN -p tcp -m connlimit --connlimit-above 30 --connlimit-mask 32 --connlimit-saddr -j REJECT --reject-with tcp-reset As seen tap101i0 is the vm 101 adapter. The rule has no effect, I...
  10. M

    Using iptables-persistent for custom rules

    I'm having a really hard time trying to add and keep some custom iptables rules. Reading across several threads, iptables-persistent came to light. With that being said I have installed it with apt-get install -y iptables-persistent and all the rules got saved into the corresponding files...
  11. M

    Monitor total bandwidth consumed by VM?

    Hi, From what I see Proxmox keeps track of total incoming/outgoing traffic, which leads to the question in the title. Can one get the total bandwidth consumed by the VM? Either via API or some other method? Thank you
  12. M

    IPTables rules per guest VM

    Hi, After checking quite a few articles found here and on some other websites, it's still not clear for me how one can add custom IPTables rules for each VM. Checking the current host with just one VM at the moment I can see: -A tap100i0-IN -p udp -m udp --sport 67 --dport 68 -j ACCEPT -A...
  13. M

    AMD Ryzen 5 5600X - NUMA or not?

    Hi, Sorry for this dumb question, but I feel a bit confused. As far as I understood all Zen2 like CPU's are NUMA based, so in case of AMD Ryzen, Epyc, etc, they all have "numa support". When creating a new VM, Proxmox allows me to select up to 4 Sockets (which again indicates NUMA support)...
  14. M

    Windows VM User (post-install)

    Hi guys, Do you have any idea how to create windows users via post install script? I saw many big hosting companies do this, they create admin/non-admin user with random password. Thanks
  15. M

    Proxmox 7.2-11 - Windows VM with OVMF (UEFI) cannot load Virtio Drivers

    Hi, as the title says I cannot load any virtio drivers during installation when using UEFI mode. I am using the latest drivers (stable) available. VM Config: bios: ovmf boot: order=scsi0;ide2;net0;ide0 cores: 2 efidisk0: local:104/vm-104-disk-0.qcow2,efitype=4m,pre-enrolled-keys=1,size=528K...
  16. M

    ZFS and special device how to use unused free space ?

    I know this might be a stupid question, but it also my be a good question. I've done a mistake and setup a special device with 700+ GB in mirrored mode, the mistake being too much space dedicated for this. I have already a separate partition from this for SLOG, but that's unrelated to the...
  17. M

    Auto IPV6 via dhcp ?

    Hello, Has anyone succeeded in offering auto IPV6 from a range via dhcp to vm's ? I`m looking more specifically for using the IPV6 range that OVH offers. Any information is appreciated.
  18. M

    ZFS Tests and Optimization - ZIL/SLOG, L2ARC, Special Device

    Since there are many members here that have quite some experience and knowledge with ZFS, not the only that I`m trying to find the best/optimal setup for my ZFS setup; but also want to have some tests and information in 1 place rather than scattered around in different threads, posts and...
  19. M

    Proxmoz 5.4 from ISO missing ZFS conf ?

    Hello, I installed 5.4 from iso, and I cannot find /etc/modprobe.d/zfs.conf to be able to limit the ARC. Am I missing something ? Thanks
  20. M

    Proxmox 6.1 with ZFS - High IO and Server Crash

    I cannot get my head around this, as I`m experiencing some very weird server IO delay and server crash. It seems I have this exact same issue [1][2]. The setup has ZFS + ZIL + L2ARC, however the RAM was getting used up to 100+ GB and the L2ARC was (and is set) to 150GB/read/write on the SSD...

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