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分布式云数据中心的建设与管理

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分布式云数据中心的建设与管理

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华为公司第一线团队亲力写作,介绍最新分布式云数据中心解决办法,该办法为业界首创,解决企业、政府等的数据管理难题
Content Description

目前,数量众多的数据中心给企业、政府机关带来了非常沉重的运维负担。业界流行的云计算技术还旨在解决单个数据中心内部的问题,无法解决多个数据中心之间资源共享、统一管理、提升业务服务质量的问题。华为分布式云数据中心(Distributed Cloud Data Center,DC2)将传统的分散、分层、异构的传统数据中心架构,改造为全扁平式、点到点全互联、统一资源管理的分布式云数据中心架构,将多个不同地域、不同阶段、不同规模的数据中心所有资源通过逻辑集中,统一管理、统一呈现、统一运营,从而充分利用企业已有资源,支撑企业ICT服务能力高速发展。
华为分布式云数据中心市场反应颇佳,已有多个国际性项目在操作,其中某国际著名的运营商有近90个数据中心的改造需求、非洲某国家要建立9个联动的数据中心。2013年,分布式云数据中心的发布新闻稿还在巴塞罗那电信展被展会官方引用。市场急需这样一本介绍分布式云数据中心的建设与管理的图书,为企业、政府机关解燃眉之急。
《分布式云数据中心的建设与管理》特色
●针对业界实际需要,介绍最前沿技术;
●在云中心技术基础上创建分布式管理,解决数据管理集中又高效的问题。
Author Description

郑叶来,华为公司IT产品线总裁,在华为担任过多个重要领域的关键岗位,目前负责华为公司IT产业的战略制定与发展,公司在IT领域的产品与解决方案交付,包括云计算、存储、数据中心解决方案、服务器。

陈世峻,华为公司数据中心解决方案部总经理,在华为工作近20年,成功负责公司多个战略型产品的端到端管理工作。2012年开始担任数据中心解决方案部总经理,制定有竞争力的云数据中心解决方案的战略、构建华为公司数据中心解决方案和行业IT解决方案竞争力。
Catalogue

第1章 云数据中心的历史和发展趋势
1.1 云计算给数据中心带来的变革和好处
1.2 云数据中心3.0:分布式云数据中心的定义
1.3 分布式云数据中心是数据中心发展的必然趋势

第2章 分布式云数据中心提供的关键服务与关键技术
2.1分布式云数据中心总体架构
2.2 DCaaS服务介绍
2.3IaaS服务关键技术:数据中心云操作系统
2.4 NaaS服务关键技术:TRILL,VXLAN,SDN
2.5MaaS服务关键技术:自动化和管理系统
2.6 管理解决方案

第3章 IaaS的规划与建设
3.1IaaS的规划
3.2计算资源池的建设
3.3 存储资源池的建设

第4章 NaaS的规划与建设
4.1 Naas的规划
4.2 网络资源池的建设
应用举例
4.3 安全解决方案的建设

第5章 MaaS的设计与建设
5.1 数据中心运维管理
5.2 分布式云数据中心运营管理系统

第6章 FaaS的规划与建设
6.1 从土建到施工的蓝图
6.2 绿色机房的规划
6.3 绿色机房的建设要点

第7章 灾备解决方案的规划与建设
7.1灾备解决方案规划
7.2 灾备解决方案的建设要点

第8章 传统数据中心的改造和整合
8.1IT架构治理介绍
8.2传统数据中心的改造和整合

第9章 分布式云数据中心的成功实践
9.1某知名全球化电信运营商分布式
云数据中心
9.2华为分布式云数据中心建设经验
9.3分析师对华为数据中心的
评价
附录
参考文献
Book Abstract

随着IT技术的飞速发展,数据中心的功能在短短50年的发展过程中经历了数据存储中心、数据处理中心、数据应用中心和数据运营服务中心四大发展阶段,成为IT系统最重要的组成部分。其形态也从机房发展到数据中心,再发展到现在最热门的话题之一——云数据中心。
云计算给数据中心带来的变革和好处
维基百科对数据中心的定义为:“数据中心是一整套复杂的设施,它不仅仅包括计算机、系统和其他与之配套的设备(例如通信和存储系统),还包含冗余的数据通信连接、环境控制设备、监控设备以及各种安全装置。” 数据中心是工业化和信息化融合的产物,是政府、各行业的信息化系统核心。传统的数据中心为企业或机构提供IT基础设施与应用服务,办公信息化大大提升了社会的工作效率。由于其IT资源的烟囱式设计、僵化的IT架构等原因,其现在面临着新的困难和挑战。
· IT设备的利用率低。传统的应用程序运行· 模式是“一个应用对应一台服务器”模式,各个应用有专用服务器资源,它们之间的资源无法共享。各个业务部门在提出业务应用需求时都处在单独规划、设计其业务应用的运行环境中,并且系统容量通常按照业务高峰期时所需的最大容量来设计,这样当业务非高峰期时(大部分状态下)服务器的资源就处于空闲状态,因此造成了其利用率低下,多家第三方机构的调研表明企业数据中心的服务器平均利用率一般低于15%。
· 维护成本高。数据中心几乎已经成为“成本中心”、“能耗中心”的代名词。越来越多的服务器和其他IT设备不仅使投资成本(CAPEX)高企,也使得运营成本(OPEX)不断上升。根据埃森哲咨询机构(Accenture)的统计,运营成本已经占到IT总体预算的72%,传统数据中心的成本支出呈图1.1所示的“冰山模式”。
图1.1
· 其中电费是数据中心OPEX中比重最大的一项,在很多企业中已经占到IT预算的50%。
据美国Environment Ldader统计,2006年美国IT数据中心用电占全美总用电的1.5%,而到了2011年,美国IT数据中心用电占全美用电的2.5%。绿色和平组织预测,到2020年,全球数据中心用电将达到目前美国总用电量的一半,超过目前德国、加拿大和巴西用电量的总和。数据中心几乎已经成为耗能中心的代名词。
· 管理效率低下。传统数据中心的复杂性令不少运维人员发出“是机器在管理我,不是我在管理它们”的感叹。企业中的不同应用系统是在不同时期由不同的项目团队建设的,服务器及各种设备的数量和类型很多,相互之间的技术架构和平台差别比较大, IT部门很难进行统一管理与维护。而且传统数据中心对虚拟化技术的采用比较少,计算资源与底层物理设备的绑定使得资源的动态分配非常困难。因此传统数据中心的资源配置、部署和管理多采用手工方式,没有自服务和自动部署的能力,大量人力资源耗费在了繁重的重复性工作上。由于自动化程度较低,传统企业数据中心中管理人员与服务器数量的比例一般是一比几十。
因此,传统的数据中心给企业和机构带来了巨大的成本和资源压力,提升IT资源利用率、降低功耗、简化运维成为各首席信息官(Chief Information Officer,CIO)亟待解决的难题。云计算技术的出现颠覆了传统的ICT产业,它所带来的按需使用、资源共享、绿色节能、快速业务部署等好处,可给用户带来更加低成本的应用、更加快速简洁的部署。创造巨大的社会效益和经济效益,已经成为ICT技术最热门、也是公认的发展方向。数据中心是云计算落地实施的实体,近年来在云计算等新应用模式的推动下,数据中心正经历着一次巨大变革。美国的谷歌、亚马逊、微软、eBay,中国的百度、淘宝、腾讯等互联网公司以及三大电信运营商已经在基于云计算技术构建新一代的数据中心,云计算正将数据中心从“成本中心”转变为“利润中心”。其带来的好处主要有以下几点:
· 提升IT设备利用率。云计算通过虚拟化技术· 实现服务器、存储、网络等IT设备的共享,使多个应用可以在同一个物理服务器上运行,通过资源共享可以使服务器原来只有15%
的CPU利用率提升至60%甚至更高。
· 简化管理。在云数据中心,管理人员面对的是一个个虚拟机,而不是各式各样的物理服务器,通过云管理软件可以统一管理、调度各种规格的虚拟机,需关心它们所运行的服务器的硬件差异。因此,在云数据中心中运维效率可以提升5倍以上(从数10台/人至500台/人)。
· 快速部署业务,更敏捷地支撑企业业务发展。全球化、信息化的市场的变化越来越快,因此要求企业的IT系统能更敏捷地支撑业务的变化。云数据中心中IT设备已经组成一个资源池,新业务的IT资源申请只需通过电子模板做网上申请,审批部门审批完成后即可完成,完全改革了传统数据中心需要申请、审批、采购、调测等一系列复杂的过程。从原来的3个月上线时间缩短至数天。
· 绿色节能。随着服务器利用率的提升,数据中心所需服务器的数量也随之大幅减少。
随着服务器所需的电量下降,热负荷及基础设施其他插件的功耗也同步下降。另外随着各种新型制冷技术的出现,如联动管理、冷冻水行级空调、自然冷却技术、密闭冷热通道等也可有效降低数据中心所需制冷能耗。这种多重下降使云数据中心所消耗的电量大大降低,传统数据中心的PUE(Power Usage Effectiveness,即评价数据中心能源效率的指标)一般为2.5~3.0,云数据中心可以降低至1.5甚至更低。
……

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