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Overhaul System Requirements

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improve phrasing, align headlines, rearrange requirement lists

Signed-off-by: Aaron Lauterer <a.lauterer@proxmox.com>
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Aaron Lauterer 2020-02-11 09:55:40 +01:00 committed by Thomas Lamprecht
parent e63e47fb27
commit 426fbd5ffb
1 changed files with 37 additions and 34 deletions
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pve-system-requirements.adoc
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@ -4,22 +4,23 @@ ifdef::wiki[]
:pve-toplevel:
endif::wiki[]
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.
We recommend to use high quality server hardware when running {pve} in
production. To further decrease the impact of a failed host you can run {pve} in
a cluster with highly available (HA) virtual machines and containers.
{pve} can use local storage (DAS), SAN, NAS and also distributed
storage (Ceph RBD). For details see xref:chapter_storage[chapter storage].
{pve} can use local storage (DAS), SAN, NAS, and distributed storage like Ceph
RBD. For details see xref:chapter_storage[chapter storage].
[[install_minimal_requirements]]
Minimum Requirements, for Evaluation
Minimum requirements, for evaluation
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
These minimum requirements are for evaluation purposes only and should not be
used in production.
* CPU: 64bit (Intel EMT64 or AMD64)
* Intel VT/AMD-V capable CPU/Mainboard for KVM Full Virtualization support
* Intel VT/AMD-V capable CPU/Mainboard for KVM full virtualization support
* RAM: 1 GB RAM, plus additional RAM used for guests
@ -29,49 +30,51 @@ Minimum Requirements, for Evaluation
[[install_recommended_requirements]]
Recommended System Requirements
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.
* Memory, minimum 2 GB for the OS and {pve} services. Plus designated memory for
guests. For Ceph and ZFS additional memory is required; approximately 1GB of
memory for every TB of used storage.
* Fast and redundant storage, best results with SSD disks.
* Fast and redundant storage, best results are achieved with SSDs.
* OS storage: Hardware RAID with batteries protected write cache (``BBU'') or
non-RAID with ZFS and SSD cache.
* OS storage: Use a hardware RAID with battery protected write cache (``BBU'')
or non-RAID with ZFS (optional SSD for ZIL).
* 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.
* VM storage:
** For local storage use either a hardware RAID with battery backed write cache
(BBU) or non-RAID for ZFS and Ceph. Neither ZFS nor Ceph are compatible with a
hardware RAID controller.
** Shared and distributed storage is possible.
* Redundant Gbit NICs, additional NICs depending on the preferred storage
technology and cluster setup – 10 Gbit and higher is also supported.
* Redundant (Multi-)Gbit NICs with additional NICs depending on the preferred
storage technology and cluster setup.
* For PCI passthrough a CPU with VT-d/AMD-d CPU flag is needed.
* For PCI(e) passthrough the CPU needs to support the VT-d/AMD-d flag.
Simple Performance Overview
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.
To get an overview of the CPU and hard disk performance on an installed {pve}
system, run the included `pveperf` tool.
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
To access the web-based user interface one of the following browsers is
recommended:
If {pve} detects you're connecting from a mobile device, you will be
redirected to a lightweight touch-based UI.
* Firefox, a release of the current year, or the latest Extended Support Release
* Chrome, a release of the current year
* Microsoft's currently supported version of Edge
* Safari, a release of the current year
When used on a mobile device, {pve} will show a lightweight touch-based
interface.