Proxmox Server Solutions GmbH has officially launched the latest edition of its open-source backup solution, the Proxmox Backup Server version 3.4. This update is tailored for enterprise data protection, introducing enhanced features aimed at boosting performance and usability.
Key Features of Proxmox Backup Server 3.4
- Optimized Garbage Collection (GC): Version 3.4 improves storage efficiency through enhanced GC processes, which clean unreferenced backup data chunks. These modifications include a caching mechanism that minimizes the frequency of costly file metadata updates, leading to quicker execution times.
- Granular Snapshot Selection for Sync Jobs: The updated version offers refined controls for selecting backup snapshots for synchronization between remote Proxmox Backup Server instances, enabling users to exclusively synchronize encrypted or verified backups.
- Static Build of Command-Line Client: A new statically linked binary allows for straightforward file-level backups of various Linux hosts, extending usability beyond the Proxmox Virtual Environment (VE).
- Enhanced Throughput for Tape Backup: Users can now increase the number of worker threads used for reading chunks, which significantly amplifies throughput during tape backups.
- Updated Open-Source Technologies: This release is built on Debian 12.10 (‘Bookworm’) and features a newer Linux kernel (6.8.12-9) alongside ZFS 2.2.7, providing increased compatibility and support for cutting-edge hardware.
Integration and Availability
Proxmox Backup Server seamlessly integrates into the Proxmox Virtual Environment, requiring only the addition of a new datastore as a backup target.
- Download Availability: Proxmox Backup Server 3.4 is ready for download.
- System Updates: Users can opt to update existing installations or carry out new installations via an ISO image.
- License Information: This backup server is free and open-source, distributed under the GNU AGPLv3 license.
- Enterprise Support Options: For enterprises seeking additional support, a subscription-based model is available, granting access to the Enterprise Repository for regular updates and technical assistance, starting at EUR 540 per server with unlimited backup storage.