Technical
Resize imported ( from esxi ) disks, possible ?
Yes, it's possible to resize disks imported from ESXi in Proxmox. First extend the virtual disk in Proxmox, then grow the partition inside the guest.
Technical
Falling Over to a ZFS Replica: The Manual Proxmox Failover That Actually Works
Falling over to a ZFS replica in Proxmox isn't a button. You promote the snapshot, detach the old disk, and boot. Here's the exact sequence.
Technical
Proxmox NFS Storage Status Unknown on Second Node: Fix It
Proxmox NFS storage status unknown on the second node usually means a mount issue. Check /etc/pve/storage.cfg and the export, then fix it.
Technical
virtiofs and running out of file handles: fix it in Proxmox VMs
virtiofs hits the file handle ceiling fast. Here's a test workload that reproduces it and which workaround actually raises the limit.
Technical
Accidentally Increased the Proxmox Host sda3 to Max: How to Shrink It Without Reinstalling
You accidentally expanded sda3 to max on your Proxmox host. Here's how to shrink it back safely—sda3 is an LVM physical volume, not the root filesystem.
Technical
Proxmox iSCSI Multipath: Setup with TrueNAS and Failover Test
Set up iSCSI multipath on Proxmox with a TrueNAS target. Works with two NICs, failover verified by pulling a cable.
Technical
Proxmox with arr stack in LXC: a working setup with TrueNAS mounts
Proxmox with arr stack in LXC works if you get the UID/GID mappings right. Here's the full walkthrough: containers, mounts, permissions, networking.
Technical
VM becomes unresponsive during Veeam backup: fix I/O starvation, VSS, and cgroup limits
VM becomes unresponsive during Veeam backup? It's usually I/O starvation from the agent eating disk bandwidth, or VSS freezing the filesystem.
Technical
Proxmox export VM as OVA: a working path and why LXC can’t
Proxmox export VM as OVA isn't in the GUI, but you can build a valid OVA from a VM with qm and tar. LXC containers can't be OVA at all.
Technical
Migrate VM OS to Physical Device: A Proxmox V2P Walkthrough
Migrate VM OS to physical device with dd and qemu-img, then fix the bootloader. Here's the Proxmox V2P process that actually works.