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    qmeventd send SIGKILL before vm shutdown there nics

    Hi, we have been using proxmox for many years. We have servers running different versions of PVE5.3, PVE6.2 and PVE7.0. We virtualize routers. This means that the VMs can have 10 to 20 nics. In this context we have noticed a problem after running the qm shutdown command the QEMU process receives...
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    mlx5 sub function passhrough for VM (mdev)

    Hello, I have successfully tested a pve VXLAN-EVPN setup with pci passthrough and switchdev (mlx5 mode eswitch) . However, the 127 VF limit is too restrictive. That's why I'm looking for another more scalable solution. I noticed that mellanox offers in addition to the usual sr-iov devices (PF...
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    network virtio and hostpci bus mapping in qemu guest

    Hello, When we introduced proxmox for virtualizing some routers we noticed that virtio nics order in qemu guest can shift when removing a vnics that is not the last one So we accept this behavior and defined best practice that consist to never remove virtio vnics. During sriov experimentation...
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    PVE7 sriov hostpci hotplug

    Hello, After several years of using proxmox to virtualize our routers we are now looking to increase network performance. Recently we are evaluating sriov as a virtio successor. It works very well ! For the moment it seems pretty stable and the performance is clearly superior to virtio. During...
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    how to reinstall node in cluster Two nodes with quorum device

    Hi, Based on the documentation I understand that I need to remove qdevice before adding node to cluster. I don t know how to do that in secure manner. Otherwise I can restore node files like /var/lib/pve-cluster/config.db but I don t know what exact files I need to import and what the exact...
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    is it possible to modify contact email address postwizard

    Hello, After proxmox installation, someone known if it is possible to change the contact email address specified in the proxmox installation wizard ? The documentation does not specifiy if we can edit the user.cfg file or if there is an option in proxmox WEBUI... thank you regards.
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    Intel XEON GOLD 6144 on proxmox 7.0-1, cant set scaling governor options

    cpufreq-info analyzing CPU 0: no or unknown cpufreq driver is active on this CPU ... Does Proxmox team know this behavior ? is there a way to retreive scaling governor options ? thx
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    pve-firewall replicates ebtables chains and rules from nat and brouting tables into the filter table.

    pve-firewall replicates ebtables chains and rules from nat and brouting tables into the filter table. proxmox-ve: 6.2-2 (running kernel: 5.4.78-2-pve) pve-manager: 6.2-12 (running version: 6.2-12/b287dd27) pve-firewall: 4.1-3 ...for full package list look at pveversion.txt in attachment...
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    kvm return undefined symbol: proxmox_restore_read_image_at_async

    Hi, On proxmox 6.2-12 (Version pve-manager/6.2-12/b287dd27) kvm does not work and return an error when upgrading pve-qemu-kvm to version >= 5.0.0-8 It works when I downgrade to 5.0.0-5 kvm --version => undefined symbol: proxmox_restore_read_image_at_async is there an unsatisfying dependency...
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    dkms compilation error pve6.2

    Hello, On pve5.3 and pve6.2 we experience many disk errors with p840 hardware disk controller and hpsa module version 3.4.20.170 and fewer. Randomly the driver do not respond to IO requests which results in disk reset. a higher version (3.4.20.188) of hpsa seems to fix the pb...
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    Linux system time temporally jumps

    Hello, Last Saturday I saw for the first time a strange system time changing behavior in a PROMOX 5.4 servers At 05:15 systemd report in syslog a time change to 14 Jun 07:38 HA components force node reboot after system watchdog failed After reboot system and hwclock are good and cluster is...
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    how to choose PROXMOX VE version for setup based on HA with two nodes + qdevice with zfs replication

    Hello, we already use proxmox 5.3 in production since many years, we are very satisfied We planned to add a new proxmox setup based on HA with two nodes + qdevice as explained in the Wiki as data backend we expect to use zfs pool (raid10) beacause it offer vm replication I m looking for the...
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    online migration with local-disks break VM hotplug nic addition

    we currently use 2nodes cluster in proxmox 5.4 version with ZFS local sortage VMs are replicated with PVE native replication jobs. We have 2 migrations cases first one using offline migration VM is shutdown after a fresh replication task and started on remote node second one using online...
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    network performance | how to perform +10Million PPS on proxmox

    I am impressed every day by the quality of proxmox, whose main asset is its stability. thank you for this work currently on proxmox 5.4 we are not able to reach 10G and + The main reason is the linux kernel network stack design whose implies high context switches that affect performance The nic...
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    high cpu load on 100mbits/sec download with virtio nic

    Hello proxmox community, we plan to migrate hundred of VMs from our old vmware platform to KVM proxmox appears as an ideal compromise but I'm experiencing a CPU load problem On proxmox HOST a single wget download consume 12% single CPU load at 11MBytes/sec (1518 packets size) On proxmox KVM...

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