Proxmox VE 7.0 Release

Proxmox has released Proxmox Virtual Environment 7.0 — a major release based on Debian 11 “Bullseye” that brings numerous fundamental new features. This release marks the transition to a modern system foundation with a current kernel and updated virtualization technologies.

The Most Important New Features

Debian 11 Bullseye as the Foundation

Proxmox VE 7.0 uses Debian 11 “Bullseye” as its base for the first time. This brings a multitude of updated system libraries, improved security standards, and long-term support. The switch to Debian 11 provides a future-proof foundation.

Linux Kernel 5.11

The updated Linux Kernel 5.11 offers:

• Improved hardware support for current server platforms
• Optimized performance for I/O-intensive workloads
• New drivers for current network and storage controllers
• Improved support for the latest generation AMD EPYC and Intel Xeon processors

QEMU 6.0

With QEMU 6.0, numerous improvements come to VM virtualization:

• Improved live migration with reduced downtime
• Updated device emulations
• Optimized I/O performance
• New virtual hardware options

Ceph Pacific

The integrated Ceph version has been updated to Ceph Pacific (16.2):

• Significantly improved performance
• New Ceph dashboard
• Optimized erasure coding support
• Improved monitoring and alerting

LXC 4.0

The container technology has been updated to LXC 4.0 and offers improved security features as well as optimized resource management.

ZFS 2.0

OpenZFS 2.0 brings important new features:

• Persistent L2ARC — the L2ARC cache now survives reboots
• Sequential Resilver — faster recovery during drive failures
• Improved performance with small block sizes
• Optimized memory management

Web Interface

The web interface has been further modernized:

• Redesigned layout with improved user guidance
• Updated ExtJS framework
• Improved Ceph management interface
• Optimized monitoring dashboard
• Extended backup management

Upgrade from Proxmox VE 6.x

An in-place upgrade from Proxmox VE 6.4 to 7.0 is possible. Proxmox provides a detailed upgrade guide. It is strongly recommended to perform a complete backup of all virtual machines and containers before the upgrade and to carefully work through the upgrade checklist.

Conclusion

Proxmox VE 7.0 is a significant major release that offers a powerful and future-proof platform with Debian 11 as its base, OpenZFS 2.0, and Ceph Pacific. As a certified Proxmox partner, we are happy to assist you with the migration and operation of your Proxmox infrastructure.