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Proxmox Backup Server Solution

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Heute wurde von Proxmox VE der neue Backup Server angekündigt.

Im Netz gibt es viele Themen zur optimalen Sicherung und Wiederherstellung von virtuelle Maschinen unter Proxmox VE. Mit der internen Lösung für Vollbackups und der Performance gibt es jedoch Einschränkungen und ist nicht in jeden Fall optimal. Wer inkrementelle Backups, Herstellung von Dateien innerhalb der VM und Performance haben will, der greift zu Lösungen wie Veeam Backup, BackupPC u.a..

Nun hat die Proxmox Server Solutions GmbH, die hinter Proxmox VE steht, reagiert und präsentiert den Backup Server (beta) der sich nahtlos in Proxmox VE integrieren lässt. Das tolle es ist Open-Source und somit im vollem Funktionsumfang kostenlos nutzbar! Vielen Dank !

Proxmox Backup Server Release Notes

It’s an enterprise-class client-server backup software that backups virtual machines, containers, and physical hosts. It is specially optimized for the Proxmox Virtual Environment platform and allows you to backup and replicate your data securely. It provides easy management with a command line and web-based user interface, and is licensed under the GNU Affero General Public License v3 (GNU AGPL, v3).

Proxmox Backup Server supports incremental backups, deduplication, compression and authenticated encryption. Using Rust as implementation language guarantees high performance, low resource usage, and a safe, high quality code base. It features strong encryption done on the client side. Thus, it’s possible to backup data to not fully trusted targets.

Main Features

Support for Proxmox VE

The Proxmox Virtual Environment is fully supported and you can easily backup virtual machines (supporting QEMU dirty bitmaps) and containers.

The whole software stack is written in Rust, to provide high speed and memory efficiency.

Periodic backups produce large amounts of duplicate data. The deduplication layer avoids redundancy and minimizes the used storage space.

Incremental backups
Changes between backups are typically low. Reading and sending only the delta reduces storage and network impact of backups.

Data Integrity
The built in SHA-256 checksum algorithm assures the accuracy and consistency of your backups.

Remote Sync
It is possible to efficiently synchronize data to remote sites. Only deltas containing new data are transferred.

The ultra fast Zstandard compression is able to compress several gigabytes of data per second.

Backups can be encrypted on the client-side using AES-256 in Galois/Counter Mode. This authenticated encryption mode provides very high performance on modern hardware.

Web interface
Manage Proxmox backups with the integrated web-based user interface.

Open Source
No secrets. Proxmox Backup Server is free and open-source software. The source code is licensed under AGPL, v3.

Enterprise support will be available from Proxmox.

And of course – Backups can be restored!

Release notes

Alternate ISO download:


Community Forum

Source Code


Q: How does this integrate into Proxmox VE?
A: Just add your Proxmox Backup Server storage as new storage backup target to your Proxmox VE. Make sure that you have at least pve-manager 6.2-9 installed.

Q: What will happen with the existing Proxmox VE backup (vzdump)?
A: You can still use vzdump. The new backup is an additional but very powerful way to backup and restore your VMs and container.

Q: Can I already backup my other Debian servers (file backup agent)?
A: Yes, just install the Proxmox Backup Client.

Q: Are there already backup agents for other distributions?
A: Not packaged yet, but using a statically linked binary should work in most cases on modern Linux OS (work in progress).

Q: Is there any recommended server hardware for the Proxmox Backup Server?
A: Use enterprise class server hardware with enough disks for the (big) ZFS pool holding your backup data. The Backup Server should be in the same datacenter as your Proxmox VE hosts.

Q: Where can I get more information about coming feature updates?
A: Follow the announcement forumpbs-devel mailing list, and subscribe to our newsletter.


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