Mar 042013

Proxmox Ve is an Open Source project developed and maintained by Proxmox Server Solutions GmbH in Austria under the auspices of the Internet foundation of Austria (IPA) and it’s released under the GNU General public license 3. It is a solution based on Debian 6 Squeeze at 64 bit, which duly “customized”, allows to create a virtualization environment of type “bare metal” based on OpenVZ and KVM technologies.

Proxmox Virtual Environment, today announced the release of version 2.3. The version brings new compelling features like KVM live backup technology as well as the integration of the Ceph RBD (RADOS Block Device) as storage plugin.

About Proxmox Virtual Environment 2.3

Proxmox Virtual Environment is a complete open-source virtualization management solution for servers. It combines Kernel-based Virtual Machine (KVM) and OpenVZ containers on one platform and is manageable via a fast web GUI. With the HA cluster, Proxmox VE meets the high availability requirements of companies.
Proxmox is based on the stable Debian GNU/Linux with a modified RHEL6 kernel.

It is licensed under the GNU Affero General Public License v3 (AGPL v3) which makes it to a free available solution for businesses. The Proxmox VE 2.3 GUI is available for more than 14 languages.

KVM backup and restore

The key feature of Proxmox VE 2.3 is the new KVM backup and restore, replacing LVM snapshots. The benefit of KVM live backup is that it works for all storage types including VM images on NFS, iSCSI LUN, Ceph RBD or Sheepdog. The new backup format is optimized for storing VM backups fast and effective (sparse files, out of order data, minimized I/O).

The V2.3 also includes the latest QEMU/KVM version 1.4 with many improvements as well as GUI support for the storage of KVM VM disks on Ceph RADOS Block Device (RBD) storage system.

Dynamic Memory Management

Optimized and effective memory management is a key factor in virtualization environments.
KSM and Auto-Ballooning enables sophisticated and economic configurations for physical RAM utilization. Memory ballooning (KVM only) allows you to have your guest dynamically change it’s memory usage by evicting unused memory during run time. It reduces the impact your guest can have on memory usage of your host by giving up unused memory back to the host.

Proxmox Virtual Environment 2.3 is the open-source business alternative to VMware vSphere, Microsoft Hyper-V, Oracle VM or Citrix XenServer

, says Martin Maurer, CEO of Proxmox Server Solutions GmbH. In addition to regular product updates, a huge and active community (more than 20.000 community forum members) and a worldwide partner network Proxmox VE users can benefit from services like business support subscriptions and trainings.

Availability and Additional information:

Wiki Proxmox VE:
Proxmox Virtual Environment 2.3 is available as free ISO-image download at

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