Proxmox VE Beta Features Guide
Table of Contents
- Experimental Features
- v4 Features
- Upcoming Features
- Feature Gates
- Testing Features
- Feature Comparison
Experimental Features
Enable Experimental Features
# In /etc/pve.config
experimental: 1
Memory Ballooning
# Enable balloon
qm set <vmid> --balloon 2048
# Check balloon status
qm config <vmid> | grep balloon
CPU Hotplug
# Enable CPU hotplug
qm set <vmid> --cpu hotplug
# Add CPU without restart
qm set <vmid> --cores 4
Memory Hotplug
# Enable memory hotplug
qm set <vmid> --memory hotplug
# Resize without restart
qm set <vmid> --memory 8192
v4 Features
ZFS v4 Features
# ZFS fast dedup
zfs set dedup=fast dedup-pool
# ZFS zstd compression
zfs set compression=zstd pool
zfs get compression pool
New Storage Features
# pvesm thin provisioning
pvesm add lvmthin pool --thin-pool
# Storage replication
pvesm replicate storage --source local --target remote
Upcoming Features
v5 Features Preview
| Feature | Status | Description |
|---|
| PCIe 5.0 | Beta | 32 GT/s transfer |
| NVMe-oF | Beta | NVMe over Fabrics |
| Remote Blob | Beta | Remote storage blob |
| TPM 2.0 | Stable | Trusted Platform Module |
Testing New Features
# Enable beta repos
echo "deb http://download.proxmox.com/debian/pve bookworm pvetest" > /etc/apt/sources.list.d/pvetest.list
apt update && apt upgrade -y
Feature Gates
Enable Feature Gates
# /etc/modprobe.d/kvm.conf
options kvm_intel nested=1 ept=1
# Runtime enable
modprobe kvm_intel nested=1
Check Feature Support
# CPU features
cat /proc/cpuinfo | grep flags | head -1
# KVM features
ls -la /sys/module/kvm*/parameters/
# SVM features
cat /sys/module/kvm_amd/parameters
Testing Features
# Install bench
apt install -y bonnie++ fio sysbench
# Quick test
fio --name=randwrite --ioengine=libaio --bs=4k --direct=1 --size=1G --numjobs=4 --runtime=30
# CPU bench
sysbench cpu --cpu-max-prime=20000 run
# Memory bench
sysbench memory --memory-block-size=1M --memory-total-size=10G run
Feature Comparison
| Feature | Proxmox 7 | Proxmox 8 |
|---|
| ZFS | v2 | v3 |
| Ceph | Quincy | Reef |
| QEMU | 7.0 | 8.0 |
| Kernel | 5.15 | 6.2 |
| Storage | LVM-Thin | LVM-Thin v2 |
Keywords
beta experimental features new upcoming
Links
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