improve phrasing, align headlines, rearrange requirement lists Signed-off-by: Aaron Lauterer <a.laute...@proxmox.com> --- v2 -> v3: rebased on current master
v1 -> v2: applied (some) suggestions from oguz [0], IO performance is based on the whole system, not just disks [0] https://pve.proxmox.com/pipermail/pve-devel/2019-September/038953.html pve-system-requirements.adoc | 65 +++++++++++++++++++----------------- 1 file changed, 34 insertions(+), 31 deletions(-) diff --git a/pve-system-requirements.adoc b/pve-system-requirements.adoc index 0a4ba6c..63f8a37 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 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +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 @@ -34,44 +35,46 @@ 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 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. +* 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. + technology and cluster setup (10 Gbit and higher) are supported. -* 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. -- 2.20.1 _______________________________________________ pve-devel mailing list pve-devel@pve.proxmox.com https://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-devel
