存储是数据保存容器的统称，高防服务器机房比如软盘，光盘，磁盘，磁盘阵列，中小规模业务用的NAS，专业的磁带库，专业的光纤存储网络SAN。存储容量从几MB，到上100TB，甚至P级。最近几年出现新的一种方案，云存储，其本身也分为个人用途和企业用途的。个人数据存储用途比如百度网盘， 360网盘，DropBox等，通称保存个人的一些资图片，文档等；企业用途的如AWS的S3， 阿里云的OSS，以及七牛43.227.193云存储，又拍云，金山云的云存储等，通常用于关键业务系统，比如用户产生的文档，图片，视频等数据存储。云存储有个好处是可以动态扩展存储空间，平台提供商由于采用低成本硬盘等方案，采用分布式技术，把本身廉价的硬盘聚集起来，构建成1个具备较高可靠性的存储方案； 一些大平台，当具备规模效应后，平摊到用户，TCO成本会低不少，这是传统存储方案比较软肋的一个地方。
备份是一种数据保护的机制和方案，其实现必须依赖于具体的存储容器。目前43.227.192在备份这块的市场有非常多的品牌，如Symantec 的NBU ，CommVault的备份产品，IBM的TSM，EMC的NetWorker，还有专注混合云数据备份保护服务的多备份。备份通常用于保护业务系统产生的核心数据或个人重要的数据。一般的备份系统，通常会与硬件存储设备搭配组合成备份方案。多备份目前是构建在阿里云存储，AWS的S3，七牛，以及金山云，百度云等云存储之上，所有备份的数据会存储在这些大存储平台上。
我们工作用的WORD软件，如果没有数据存储介质，编辑产生的文档无法保存，配上IDE或SATA硬盘后，应用软件产生的数据可以很快保存在硬盘上。这是一个简单的硬盘存储支持软件工作的例子。一旦本地硬盘如果坏掉，努力工作一周的成功，可能得重新再来。
通常的重要业务系统架构设计的时候，会充分考虑存储方案的构成，什么样的业务系统，游戏服务器租用在几个位置，数据如何分布，需要的容量，扩展需求等进行规划设计，重点解决业务系统不断增长的数据存储问题。一般会就近业务应用服务器来部署存储架构。不管是云存储，还是传统的存储架构，都有1个目标，让业务系统，在不同的位置和存储在空间上的访问是稳定连续进行的。
数据在一个地方始终是不可靠，机房断电，线路故障，硬件故障，火灾等，特别对于重要业务系统，如支付系统，一旦业务系统为了保持业务连续访问，考虑到了多个地点的数据镜像，就有一点备份的味道。云存储目前在空间数据冗余保存方面，一般也有做数据垮地区的冗余保存，防止灾难的发生。
备份在此基础上，进一步封装逻辑，对数据在不同的地方，泰州服务器租用可以订制不同的复制策略。较重要的数据，通常可以在1个地方进行冗余，比如用户产生的日志，图片等可以冗余1份；对于更关键的数据，如用户注册数据，数据存储索引数据，交易数据，金融系统相关数据等，必要时得多地冗余。云存储的出现，使得基于云的备份方案，实现起来更加容易，轻易按需构建不同的43.227.195地理位置的通道，只要你愿意，数据备份到全球几十个地区的云存储中心都可以。这一切可以用最简单的手动复制方案，也可以用自动管理的方案，比如多备份等。
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