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    Ceph: rbd map command fails with error --user is deprecated, use --id

    Hello, I created several RBDs in previous Ceph version, and typically I mapped these RBDs using command rbd map --user <user> --keyring <path/to/keyring> <pool>/<image> However I get this error now trying to map image GML: 2023-01-02T14:58:22.635+0100 7f0559c19700 -1...
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    [SOLVED] Ceph: calculate used disk space per pool

    Hello, I have defined a huge pool for database backups in Ceph. Now I need to migrate these backups to another storage. Therefore I must calculate the total disk space used by the backups. I could display the RBDs of the relevant pool representing a database backup and summarize the RBD size...
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    [SOLVED] Ceph health warning: unable to load:snappy

    Hello, after a server crash I was able to repair the cluster. Health check looks ok, but there's this warning for 68 OSDs: unable to load:snappy All OSDs are located on the same cluster node. Therefore I was checking version of related file libsnappy1v5; this was 1.1.9 Comparing this file...
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    EFI boot fails after block copy to new device

    Hello, I had a severe issue with OS disk (using BTRFS) and must replace it. This means I started block copy using dd from old disk to new SSD; I performed the following steps: 1. block copy with dd from old to new device 2. extend root partition 3. resize BTRFS of relevant partition Then I...
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    Using ZFS Pool as "local" storage

    Hello, I have a server with ECC RAM and multiple disks, means it's equipped like a NAS. However, I want to install Proxmox and run a VM with TrueNAS Core. All relevant disks (e.g. WD Red) will be configured as passthrough for this VM. Then in TrueNAS Core I will configure these drives for ZFS...
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    [SOLVED] PVE Node mit 2 NICs und OPNsense VM

    Hello, my PVE node has 3 NICs, none is supporting PCI Passthrough. One VM should run OPNsense as additional router in the lab. My ISP provided a router incl. modem that does not support VLAN. Port 4 of this router provides a guest LAN 192.168.179.0/24 that is logically separated from LAN. eno1...
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    [SOLVED] Migration VM Win10 from PVE 6.4 to PVE 7.x

    Hello, I'm running an old PVE 6.4 node with several VMs. Now I want to migrate these VMs to a new PVE 7.x node. Among the VMs is 1 Win10 deployment, and this VM should be configured with optimal I/O performance on the new PVE 7.x node. What is the best practice for migrating a Win10 VM to a...
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    PCI passthrough failure - kvm: vfio: Cannot reset device 0000:00:1f.6, no available reset mechanism.

    Hello, in my PVE host there are 2 NICs: 1 onboard Intel I219-LM 1 PCI Intel I350 quad port I want to passthrough NIC Intel I219-LM, but when I start the relevant VM I get this error and the host reboots: $ sudo qm start 100 kvm: vfio: Cannot reset device 0000:00:1f.6, no available reset...
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    What is the correct VLAN mode on managed switch?

    Hello, my ISP (Vodafone cable) provides two internet access points: - standard (like any ISP offers) - static IP The router (here: AVM Fritz!Box 6490 cable) basically works like any other Fritz!Box with only one exception: 1 port is configured for using the static IP. I guess one could call...
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    No ping from PVE host to router (Fritzbox)

    Hello, I have configured bond+bridge+vlan on my PVE host. The relevant network configuration (in /etc/network/interfaces) is this: source /etc/network/interfaces.d/* auto lo iface lo inet loopback iface eno1 inet manual iface enp4s0f2 inet manual iface enp4s0f3 inet manual auto bond0 iface...
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    [SOLVED] No ping from LAN to PVE host

    Hello, I have configured a bond + bridge connected to a managed switch (D-Link DGS-1100). The connections can be illustrated like this: Router (FritzBox) <--> Switch (D-Link) <--> PVE Host The issue is that I cannot ping the PVE host from LAN. However I can ping the router from PVE Host...
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    [SOLVED] Start VM: iothread is only valid with virtio disk or virtio-scsi-single controller, ignoring

    Hallo, ich erhalte diesen Fehler beim Start einer VM: iothread is only valid with virtio disk or virtio-scsi-single controller, ignoring Dies ist die zugehörige Konfiguration der VM: agent: 1,fstrim_cloned_disks=1 balloon: 0 bios: ovmf boot: order=scsi0;ide2 cores: 4 cpu: kvm64,flags=+aes...
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    Network configuration, 2 routers, Management-network w/o DNS

    Hello, I have configured the network for usage of 2 routers. There's a management network 192.168.0.0/24 to router A and another network 192.168.1.0/24 to router B (FritzBox). The management network does not provide DNS, and therefore internet access via router A is not working. Currently I...
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    [SOLVED] OVS bond+bridge: all ports of bond are down

    Hello, I have configured an OVS bond+bridge with 2 ports belonging to the bond. Here's the relevant configuration in /etc/network/interfaces: source /etc/network/interfaces.d/* auto lo iface lo inet loopback auto eno1 allow-vmbr0 eno1 ##eno1 auto enp4s0f3 allow-vmbr0 enp4s0f3 ##enp4s0f3...
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    Static route required with OVS bond+bridge

    Hello, I have 2 routers in my network, and therefore I need a static route for a dedicated subnet. My idea was to add this line in /etc/network/interfaces: post-up ip route add <network> via <ip router> dev <interface> onlink However the static route is not shown correctly when checking with...
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    [SOLVED] Configuration OVS bond + bridge + internal ports

    Hello, I try to configure an OVS bond + bridge + internal ports with my new Proxmox VE 7.0 installation. However, this fails although a follow the example available in relevant wiki page. This is my current /etc/network/interfaces: source /etc/network/interfaces.d/* auto lo iface lo inet...
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    [SOLVED] PCI passthrough fails after upgrade to Proxmox 7

    Hello, my initial Proxmox installation was 6.4 and I have enable PCI passthrough successfully. This is my current /etc/default/grub: # If you change this file, run 'update-grub' afterwards to update # /boot/grub/grub.cfg. # For full documentation of the options in this file, see: # info -f...
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    Starting k3s.service fails with error: level=fatal msg="failed to find cpu cgroup (v2)"

    Hello, I have configured a container (LXC) and deployed k3s. However starting the relevant service fails. Checking the output of journal -xe there are different errors: Mai 01 20:45:48 k3s-master1 k3s[1910]: time="2021-05-01T20:45:48.689640997+02:00" level=info msg="Wrote kubeconfig...
  19. C

    Enhance OVS config with bond 802.3ad

    Hello, I have a (working) OVS config with 1 bridge + 3 VLANs: source /etc/network/interfaces.d/* auto lo iface lo inet loopback auto enp1s0f1 iface enp1s0f1 inet manual auto eno1 iface eno1 inet manual ovs_type OVSPort ovs_bridge vmbr0 auto enp1s0f0 iface enp1s0f0 inet...
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    [SOLVED] Cannot use LXC recovered from source - all files belong to nobody.nogroup

    Hello, I had faced a disaster affecting the root partition of Proxmox VE. Of course I have no backup, shame on me. However, I have stored and KVM virtual disk (qcow2) and any LXC virtual disk (raw) on a seperate drive (SSD) that is not affected by the disaster. So, I managed to install Proxmox...

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