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    [SOLVED] How to join a cluster with only one link

    I have reinstalled one of my Proxmox PVEs and wanted to join the cluster again. Unfortunately I am not able to as the GUI and the CLI wants to have two links? ! node 'proxmox1' is missing address forinterface number 1 Can someone please tell me what I am doing wrong?
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    ZFS attach existing raidz2 pool

    Hello everyone, I wanted to try the zfs-attach feature which allows to attach a disk to an existing raidz config: If the existing device is a RAID-Z device (e.g. specified as "raidz2-0"), the new device will become part of that RAID-Z group. A "raidz expansion" will be initiated, and once the...
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    Linux bridge + VLAN routing

    Hello there, just a short question regarding VLAN routing. I host several VMs with several VLAN subnets including a virtual router for intervlan routing on one Proxmox server. If a VM from VLAN10 would send data over to a VM on VLAN20 would those connection leave Proxmox to get to a switch or...
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    [SOLVED] Verification/skip-verified

    Hello everyone, I am looking for a configuration which reverifies existing backups of VMs. Currently I am running a verification monthly with "Skip verified" checked but also "Re-Verify after 30 days" enabled. PBS is only verifying new backups and ignoring old ones - even if they have a flag...
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    Recovery - ein Conclusio

    Ich durfte gestern, nachdem sich einer meiner ZFS Pools selbstverschuldet verabschiedet hat, ein Backup machen - soweit so gut. Im Zuge dessen, wären mir einige Verbesserungsvorschläge untergekommen: Recovery von einzelnen VM Disks Wenn zB nur ein ZFS Pool betroffen ist, die VM Daten aber auch...
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    [SOLVED] qm unlock VM while being restored

    Hello there, one of my ZFS pools crashed and currently I am restoring a VM from a PBS backup (~ 6 TB). As I have some other VM disks which are not being included at the backup job and lies on other ZFS pools I wanted to ask you if it's possible to unlock the VM while being restored to add the...
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    Weird behaviour of cluster

    Hello there, after reinstalling my 2nd node of PVE cluster (2x server + 1x qdevice) I am having a weird behaviour: Both server are being connected via a direct Infiniband connection, each with a dedicated IP address. As soon as I reboot my 2nd server which I reinstalled the Infiniband NIC on...
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    [SOLVED] Changing volblocksize

    Hello there, after changing the volblocksize of a storage is it sufficient to move a VM disk to the new pool to get the new volblocksize value or do I need to recover it from a backup?
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    [SOLVED] Raidz expansion

    Hello there, I have seen a couple of comments on Reddit & Github that raidz expansion is currently being developed/has already beta state. Will that feature also work for PVE or do I still need all disks available at zpool create?
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    HDD queue settings for VM

    Hello there, can someone tell me the "secret" where to place queue settings for a Windows VM. Someone from Proxmox staff told me some years ago to add this to the guest config itself - but I am unable to find this thread and also Google is not showing something useful. Background is that I am...
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    ZFS volblocksize per VM disk instead of pool

    Hello everyone, I took a deep dive into ZFS blocksize topic and found some useful information like: Source: https://klarasystems.com/articles/tuning-recordsize-in-openzfs/ Not sure if this is still valid or not but wouldn't it be better in general to define the volblocksize per VM disk within...
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    [SOLVED] PVE reinstallation

    Hello there, I plan to set up my 2nd PVE server in the near future as my current boot drive is on a consumer SSD which I would like to replace with an enterprise one (Micron 7400 Pro). Currently I have two PVE server + a QDevice on a Raspberry Pi. My plan would be to migrate all VM drives from...
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    ZFS looking for guidance

    Hello everyone, I am looking for advice about best practice regarding flash storage for ZFS pool on HDDs. I currently have three "spinning rust" pools at my PVE server which I would like to speed up. - RAID 1 (2x SAS 4TB) - SAS 12TB - RAIDz1 (3x SATA 18TB) for Proxmox Backup For speeding up I...
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    Proxmox VMs starts swapping

    Hello everyone, I recently stumbled accross a strange behaviour of my PVE: My storage uses ZFS as a filesystem and due to that my RAM is mostly full (total 128 GB). All my allocated RAM for VMs is < 60 GB. Strange fact: Instead of freeing RAM space by ZFS my VMs starts to swapping. Swappiness...
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    Windows VM VirtIO driver update failed

    Hello everyone, I would like to share my experience if someone else has this problem: I wanted to update my Windows Server VM to the newest VirtIO version. I downloaded the iso from here and added it to my VM. Snapshotted it to be on the safe side. After starting the installation/upgrade...
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    [SOLVED] OPNsense keeps crashing

    Dear team, I have a virtualised OPNsense firewall running on one of my Proxmox servers. Unfortunately it kept crashing randomly. After the newest 23.7 upgrade it is totally unuseable as it crashes instantly. Some informations/logs: root@proxmox1:~# cat /etc/pve/qemu-server/111.conf agent...
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    clamav-clamonacc.service won't start

    Hello there, I upgrade my LXC to PMG 8. After the successful upgrade I recognised that `clamav-clamonacc.service` is not going to start with following error: Jun 29 12:39:11 relay systemd[1]: Starting clamav-clamonacc.service - ClamAV On-Access Scanner... Jun 29 12:39:11 relay systemd[1]...
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    VM uses 100 % CPU

    Hello everyone, for a couple of months my 2nd PVE server is having a strange behaviour: From time to time a VM consumes all the CPU and the VM is no longer responsive. I need to stop it and start it again. This usually happens on a Win 2022 Standard Server VM which acts as a file server with...
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    [SOLVED] Multiple gateways on same network

    Hello everyone, just a short question: I have one network but two gateways - what would be the proper way to set that up at PVE host?
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    [SOLVED] Restore separate disk

    Hello everyone, is it possible with the current PVE/PBS to restore just a separate disk? On my fileserver where every disk is being covered by PBS backup my OS disk fails - data disks are fine. I would just need to restore the OS disk but would not need to restore the data disks (which would...

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