From 426fbd5ffb352892bd5fb55171d5b1293719f495 Mon Sep 17 00:00:00 2001 From: Aaron Lauterer Date: Tue, 11 Feb 2020 09:55:40 +0100 Subject: [PATCH] Overhaul System Requirements improve phrasing, align headlines, rearrange requirement lists Signed-off-by: Aaron Lauterer --- pve-system-requirements.adoc | 71 +++++++++++++++++++----------------- 1 file changed, 37 insertions(+), 34 deletions(-) diff --git a/pve-system-requirements.adoc b/pve-system-requirements.adoc index 0a4ba6c..c0e6258 100644 --- a/pve-system-requirements.adoc +++ b/pve-system-requirements.adoc @@ -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: + +* 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 -If {pve} detects you're connecting from a mobile device, you will be -redirected to a lightweight touch-based UI. +When used on a mobile device, {pve} will show a lightweight touch-based +interface. -- 2.39.2