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免費(fèi)OpenStack私有云

前言:

    Rackspace剛剛推出了免費(fèi)的OpenStack私有云軟件,基于Ubuntu 12.04 LTS主機(jī)操作系統(tǒng)和KVM管理程序,只需下載一個(gè)ISO就能安裝OpenStack私有云,并且可以得到Rackspace 24x7的支持服務(wù),但是僅限20個(gè)KVM節(jié)點(diǎn),并且目前不支持OpenStack的高可用性和虛擬網(wǎng)絡(luò)功能。
    根據(jù)以前玩OpenStack的經(jīng)驗(yàn),下載了就急急的安裝是不明智的,先讀懂文檔、做好規(guī)劃、寫好方案,再去動(dòng)手實(shí)踐,哪怕是測(cè)試。
    那么我就一邊下載,一邊翻譯一下 Rackspace 官方知識(shí)中心的文檔。這應(yīng)該是第一次正兒八經(jīng)的翻譯官方資料,這個(gè)么,,,真的不是件容易的事情

。好多概念還是似懂非懂的,希望得到高人指教。


關(guān)于Rackspace 私有云軟件
文章id:1926
最后更新于 2012-08-15

什么是Rackspace 私有云軟件
    Rackspace 私有云軟件是一個(gè)可下載的ISO軟件包,你可以用它輕松的安裝OpenStack控制器和計(jì)算節(jié)點(diǎn)。 安裝完成后,你將擁有一個(gè)具有Rackspace公司的OpenStack專家推薦配置的、可投入使用的OpenStack云。

Rackspace 私有云配備
    Rackspace 私有云軟件1.0(代號(hào)Alamo) 支持OpenStack Essex發(fā)行版,包括 計(jì)算(Nova)、鏡像服務(wù)(Glance)、儀表板控制臺(tái)(Horizon)和身份識(shí)別(Keystone)。而對(duì)象存儲(chǔ)(Swift)、虛擬網(wǎng)絡(luò)服務(wù) (Quantum)在這一版本中沒有提供。

 

已安裝的組件:

 

  • 主機(jī)系統(tǒng)(Host OS ):Ubuntu 12.04
  • 虛擬機(jī)管理程序(Hypervisor): KVM
  • Nova controler和API,Glance,Horizon,Keysone,rabbitmq和MYSQL。
  • Nova-compute,nova-network和KVM。
  • Opscode Chef server 和 Rackspace OpenStack cookbooks 自動(dòng)化管理、部署系統(tǒng)。(參考www.opscode.com)

  • 支持的OpenStack特性:
  •     Rackspace支持同其他OpenStack組件的集成,以及諸如 floating IP 地址管理,安全組,可用性區(qū)域和 python-novaclient 命令行客戶端等功能,還包括下列特性:
  • 單網(wǎng)卡和雙網(wǎng)卡配置
  • NFS和ISCSI存儲(chǔ)系統(tǒng)作為虛擬機(jī)后端存儲(chǔ)庫(kù)
  • VNC Proxy
  • KVM虛擬機(jī)管理程序(Hypervisor)
  • 用Nova Multi Scheduler取代了Filter Scheduler
  • Keystone集中用戶驗(yàn)證
  • Glance 集中鏡像服務(wù)
  • Horizon 儀表板控制臺(tái)
  • Linux和Windows虛擬機(jī),只要能切換到KVM并且啟動(dòng)即可
  • 每臺(tái)設(shè)備單獨(dú)運(yùn)行的元數(shù)據(jù)服務(wù)器
  • 通過OpenStack API管理云。


不支持的特性:

  • Nova 高可用性
  • Nova 對(duì)象存儲(chǔ)
  • Nova卷
  • Swift對(duì)象存儲(chǔ)
  • 為虛擬機(jī)提供基于卷的NFS和ISCSI文件存儲(chǔ)系統(tǒng)
  • 集群文件系統(tǒng)解決方案
  • XPVNC
  • XEN及其他虛擬機(jī)管理程序
  • 集中式元數(shù)據(jù)服務(wù)器
  • 軟件定義的網(wǎng)絡(luò)系統(tǒng)(Quantum)
  • 已支持特性和已安裝組件中未列出的其他OpenStack項(xiàng)目、擴(kuò)展或配置。

Rackspace 私有云軟件處于進(jìn)化中,我們將不斷的發(fā)展并增強(qiáng)這個(gè)產(chǎn)品。

Rackspace 私有云支持
    Rackspace 私有云主要作為“自己動(dòng)手”的軟件包來提供,是完全免費(fèi)的。你可以通過此網(wǎng)址 (https://privatecloudforums.rackspace.com)訪問Rackspace 私有云支持論壇(本人的賬號(hào):Panblack),這是一個(gè)Rackspace提供的用戶論壇。該論壇對(duì)所有Rackspace 私有云用戶開放,由Rackspace員工和OpenStack專家管理并維護(hù)。

    Rackspace提供24x7支持服務(wù)。如果有興趣購(gòu)買Rackspace 私有云升級(jí)支持服務(wù),或者計(jì)劃安裝20個(gè)以上的節(jié)點(diǎn),請(qǐng)電郵 rcbsales@rackspace.com。

 

 

原文及地址:
http://www.rackspace.com/knowledge_center/article/about-rackspace-private-cloud-software

About Rackspace Private Cloud Software
    Article ID: 1926
    Last updated on August 15, 2012
 
What is Rackspace Private Cloud Software?

Rackspace Private Cloud Software is a downloadable ISO package that allows you to easily install OpenStack controller and compute nodes. When the installation process is complete, you will have a working OpenStack cloud configured according to the recommendations of Rackspace OpenStack specialists.
 

The Rackspace Private Cloud Configuration

Rackspace Private Cloud Software v 1.0 (Alamo) supports the Essex release of OpenStack, and includes Compute (Nova), Image Service (Glance), Dashboard (Horizon), and Identity (Keystone).

Object Storage (Swift) and Virtual Network Service (Quantum) are not supported at this time.
Installed Components
The following components are installed by the Rackspace Private Cloud Software:

  •     Host OS — Ubuntu 12.04
  •     Hypervisor — KVM
  •     Nova controller components and APIs, Glance, Horizon, Keystone, rabbitmq, and MySQL.
  •     nova-compute, nova-network, and KVM.
  •     Opscode Chef server and Rackspace OpenStack cookbooks.


Supported OpenStack Features
Rackspace supports integration with the other components of OpenStack, as well as features such as floating IP address management, security groups, availability zones, and the python-novaclient command line client. The following features are also supported:

  •     Single and dual NIC configurations
  •     NFS and ISCSI file storage as backing stores for VM storage
  •     VNC Proxy
  •     KVM hypervisor
  •     Nova Multi Scheduler instead of Filter Scheduler
  •     Keystone integrated authentication
  •     Glance integrated image service
  •     Horizon dashboard
  •     Linux and Windows guests to the extent to which they accept handoff from KVM and boot
  •     Single metadata server running on each device
  •     Cloud management through OpenStack APIs


Unsupported OpenStack Features
The following features are not supported:

  •     Nova high availability
  •     Nova object store
  •     Nova volumes
  •     Swift object storage
  •     NFS and ISCSI file storage via volumes for guest VMs
  •     Clustered file system solutions
  •     xpvnc
  •     Xen and other hypervisors
  •     Centralized metadata servers
  •     Software Defined Networking (Quantum)
  •     Any other OpenStack project, extension or configuration not explicitly listed in the supported features or installed components sections

Rackspace Private Cloud Software is an evolving product and we will continue to develop and enhance it.

Rackspace Private Cloud Support
Rackspace Private Cloud is offered primarily as a "do it yourself" package, free of charge. You can also access the Rackspace Private Cloud Support Forum, a Rackspace-provided user forum, at the following URL:
https://privatecloudforums.rackspace.com/
The forum is open to all Rackspace Private Cloud users and is moderated and maintained by Rackspace personnel and OpenStack specialists.
Rackspace offers 24x7 support for Rackspace Private Cloud Software. If you are interested in purchasing Rackspace Private Cloud Escalation Support, or you plan to install on more than 20 nodes, please email us at rcbsales@rackspace.com.
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