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pve-system-requirements.adoc

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System Requirements

For production servers, high quality server equipment is needed. Keep in mind, if you run 10 Virtual Servers on one machine and you then experience a hardware failure, 10 services are lost. {pve} supports clustering, this means that multiple {pve} installations can be centrally managed thanks to the included cluster functionality.

{pve} can use local storage (DAS), SAN, NAS and also distributed storage (Ceph RBD). For details see chapter storage.

Minimum Requirements, for Evaluation

  • CPU: 64bit (Intel EMT64 or AMD64)

  • Intel VT/AMD-V capable CPU/Mainboard for KVM Full Virtualization support

  • RAM: 1 GB RAM, plus additional RAM used for guests

  • Hard drive

  • One NIC

Recommended System Requirements

  • Intel EMT64 or AMD64 with Intel VT/AMD-V CPU flag.

  • Memory, minimum 2 GB for OS and Proxmox VE services. Plus designated memory for guests. For Ceph or ZFS additional memory is required, approximately 1 GB memory for every TB used storage.

  • Fast and redundant storage, best results with SSD disks.

  • OS storage: Hardware RAID with batteries protected write cache (``BBU'') or non-RAID with ZFS and SSD cache.

  • VM storage: For local storage use a hardware RAID with battery backed write cache (BBU) or non-RAID for ZFS. Neither ZFS nor Ceph are compatible with a hardware RAID controller. Shared and distributed storage is also possible.

  • Redundant Gbit NICs, additional NICs depending on the preferred storage technology and cluster setup – 10 Gbit and higher is also supported.

  • For PCI passthrough a CPU with VT-d/AMD-d CPU flag is needed.

Simple Performance Overview

On an installed {pve} system, you can run the included pveperf script to obtain an overview of the CPU and hard disk performance.

Note
 this is just a very quick and general benchmark. More detailed tests are recommended, especially regarding the I/O performance of your system.

Supported web browsers for accessing the web interface

To use the web interface you need a modern browser, this includes:

  • Firefox, a release from the current year, or the latest Extended Support Release

  • Chrome, a release from the current year

  • Microsofts currently supported version of Edge

  • Safari, a release from the current year

If {pve} detects you’re connecting from a mobile device, you will be redirected to a lightweight touch-based UI.