Proxmox Virtual Environment 6.3 has been released and brings important new features, including Live-Restore and numerous improvements.
Key New Features
Live-Restore
The standout new feature in Proxmox VE 6.3 is Live-Restore:
- Virtual machines can be started directly from a backup while the restore process runs in the background
- Significantly reduced downtime during restoration
- Support for local and remote backup storage
- Transparent to the guest system
Kernel Updates
- Updated Linux Kernel 5.4 LTS with the latest patches
- Improved hardware support
- Updated drivers for networking and storage
- Performance optimizations
QEMU 5.1
- QEMU 5.1 with new features
- Improved virtio-fs support
- Optimized live migration
- New CPU models
Ceph Updates
- Ceph Nautilus 15.2 (Octopus) support
- Improved Ceph performance
- Optimized dashboard
- Extended Ceph pool management
Web Interface
- Improved VM import functionality
- Extended network overview
- Optimized task log
- Improved cluster overview
- New tag system for VMs and containers
Backup Improvements
In addition to Live-Restore, further backup features have been improved:
- Optimized backup speed
- Improved compression
- Extended scheduling options
- More detailed backup logs
SDN (Software Defined Networking)
- Extended SDN functionality
- Improved VXLAN support
- Optimized network configuration
- Improved integration into the web interface
Upgrade
The upgrade to Proxmox VE 6.3 is performed via the regular package repositories. A reboot is recommended after the update.
Conclusion
Proxmox VE 6.3 stands out particularly with its Live-Restore feature, which saves valuable time in disaster recovery scenarios. The continuous improvements to Ceph and the web interface make Proxmox VE increasingly attractive for enterprise use.
More on these topics:
More articles
Backup Strategy for SMBs: Proxmox PBS + TrueNAS as a Reliable Backup Solution
Backup strategy for SMBs with Proxmox PBS and TrueNAS: implement the 3-2-1 rule, PBS as primary backup target, TrueNAS replication as offsite copy, retention policies, and automated restore tests.
Proxmox Notification System: Matchers, Targets, SMTP, Gotify, and Webhooks
Configure the Proxmox notification system from PVE 8.1: matchers and targets, SMTP setup, Gotify integration, webhook targets, notification filters, and sendmail vs. new API.
ZFS SLOG and Special VDEV: Accelerate Sync Writes and Optimize Metadata
ZFS SLOG (Separate Intent Log) and Special VDEV explained: accelerate sync writes, SLOG sizing, Special VDEV for metadata, hardware selection with Optane, and failure risks.