proxmox Archives » Vander Host Knowledgebase

Proxmox Firewall Primer

Background Sooner rather than later your servers and routers will be attacked. This is especially so if you run a large network (>100 servers), and

Could not find lu_name when destroying a VM on a TrueNAS Core Proxmox NAS

Sometimes when you destroy a VM on a iSCSI TrueNAS Core server you might get the following message: TASK ERROR: Could not find lu_name for

Unable to destroy VM: “TASK ERROR: no such logical volume pve/data”

Whilst destroying a VM, you get the following message: “TASK ERROR: no such logical volume pve/data” Here is the before: This is part of a

Adventures in SDN (Software Defined Networking) in Proxmox

Creating VXLANs: Example: https://pve.proxmox.com/pve-docs/chapter-pvesdn.html#pvesdn_setup_example_vlan VXLan Setup Example Create a zone: ID: vxlan1 Peers Address List: 192.168.0.1,192.168.0.2,192.168.0.3 Create a VNet named vxvnet1 using the VXLAN zone myvxlanzone created previously. ID:

TD-compressed data is corrupt – System halted

This happened to me with Proxmox and a Supermicro X11SSL-F. I think the screen is cut off.

Unable to import vmdk into Proxmox because it’s actually a RAW file

Whilst using qm importdisk you may experience the following problem: root@hvX:~# qm importdisk 123 disk.vmdk nasX importing disk ‘disk.vmdk’ to VM 123 … iscsiadm: No

Proxmox error “Cannot remove image, a guest with VMID ‘XXX’ exists! You can delete the image from the guest’s hardware pane”

At times, after many live migrations between different disk, and whilst using TrueNAS Scale, you’ll encounter the following error: Cannot remove image, a guest with

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