【方案模板】2011通用监控集中存储方案模板(海康CVR)非域版

视频监控CVR流存储系统解决方案杭州海康威视数字技术股份有限公司2014年X月视频监控CVR流存储系统解决方案I目录第1章前言··································································································-2-第2章XX（用户单位）系统现状······································································-3-第3章需求分析····························································································-4-第4章现有存储模式比较················································································-6-4.1.1DVR存储························································································-6-4.2平台服务器存储模式·············································································-6-4.2.1DAS直连模式···················································································-6-4.2.2先进的存储局域网络SAN结构·····························································-7-4.2.3IPSAN存储网络···············································································-7-4.3编解码器直接存储················································································-9-CVR直接存储··························································································-9-第5章解决方案··························································································-11-5.1解决方案···························································································-11-5.2存储配置···························································································-13-第6章方案分析··························································································-14-6.1CVR监控专用存储系统模块，不需要存储服务器·······································-14-6.2监控性能优化，充分满足性能要求··························································-14-6.3同时集成ISCSI和NAS存储功能····························································-14-6.4独有的文件保护技术············································································-15-6.5精确检索、快速回放············································································-15-6.6大容量录像卷·····················································································-15-6.7数据归档功能·····················································································-15-6.8数据存储的高可靠性和可用性································································-15-6.9高可扩充性························································································-15-6.10N+Ｎ集群模式·····················································································-16-6.11断网录像···························································································-16-6.12极易管理（全中文）············································································-16-6.13支持与前端设备、平台的二次整合··························································-16-第7章关键产品的介绍·················································································-17-附录一公司简介·······································································错误!未定义书签。附录二部分案例·························································································-17-视频监控CVR流存储系统解决方案-2-第1章前言视频监控技术随着二十多年的发展，已经完成了从模拟监控到数字监控，再到网络监控的转变。相比数字视频监控而言，以IP协议为基础的网络视频监控系统可以构建出更大规模、更复杂、更灵活、更具有扩展性的应用体系。其核心部分是一套具有广泛兼容型和高度集成性的智能视频监控管理软件，将监控系统和计算机网络/信息管理系统连接起来，使两个相互独立的系统走向融合，从而实现真正的三网合一(数据、语音和视频图像)。视频监控存储系统是整个监控工程的重要组成部分。随着监控系统的需求不断提高和存储技术的不断发展，针对监控的存储系统的集成度也在迅速提高。从原来的DVR本地存储，到平台服务器监控存储系统，再到现在海康威视研制推出的编码器直接存储监控系统，系统中存储端提供的服务越来越多，已经不仅仅是存储数据的功能了。海康威视推出的CVR流存储解决方案支持编码器数据直接写入存储系统，能够为客户提供更加优化，更高性能，更加可靠的监控存储服务，能够满足客户更多更高的需求。视频监控CVR流存储系统解决方案-3-第2章XX（用户单位）系统现状项目规模：2500路高清摄像头；视频格式：D1，6M码流；存储时间：3个月存储容量：路数×码流(Mbps)×保存时间(天)×24小时×3600秒/8/1024/1024=TB；存储架构：全集中存储。视频监控CVR流存储系统解决方案-4-第3章需求分析在整个监控系统中，前端监控部分经DVR/DVS采集模拟监控信号进行编码压缩，或者由IPCamera直接采集数字监控信号，然后通过局域网由管理服务器来统一管理和存取监控数据，并由存储系统来存储相关监控数据。根据用户的网络和实际应用情况，对视频监控存储系统的建设要满足如下需求：高性能由于有多路摄像头数据并发持续写入，考虑以后摄像头的增加，并且同时有多路服务器可能读取数据，所以需要高性能处理的存储系统。存储系统要采用业内技术先进、性能优良、工作稳定的存储设备，要保证在实施后相当一段时间内能够充分满足用户的使用需求。海量存储空间本项目存储空间需求约XXTB，要求对所有视频数据进行集中存储，这就要求存储设备必须提供足够海量的存储空间。集中式共享采用集中式数据存储模式，能够实现数据和存储空间的集中存储，统一管理，使数据和空间的管理、备份非常方便。数据可靠性数据高度集中的系统，数据的安全是第一位的。系统的可靠性原则应贯穿于系统设计、设备选型、软硬件配置到系统施工的全过程；保证在单点或多点故障的情况下，系统能够持续运行，并能在线的恢复正常；通常情况下，采用盘阵列技术来提高数据的可靠性。只有可靠的系统，才能发挥有效的作用。可扩展性随着监控范围的扩大，摄像头数据量的增加和存储天数延长，存储系统的可扩展性尤为重要，良好的扩展性可以保证业务的连续性。视频监控CVR流存储系统解决方案-5-网络化监控中心建设网络化完善，容易进行数据集中存储，采用网络化的设备扩容更灵活、施工难度小，并且便于远程监控、维护简单。网络化架构有助于实现互联互通，实现视频资源的共享。易用性系统的操作应具有灵活简便，人机界面友好，易于掌握的特点，操作人员能够方便物进行使用及维护，使整个系统的功能得以最大实现。系统增值服务配合备份软硬件环境，系统可以增加备份、容灾的功能，进一步提高可靠性，保护用户数据。视频监控CVR流存储系统解决方案-6-第4章现有存储模式比较DVR存储DVR是目前常采用的使用DVR本地磁盘存储视频监控数据的方式，它用设备内置的IDE硬盘存放视频数据。DVR一般有四个IDE接口，可以接8块硬盘。该模式有以下特点：价格低廉，简单易用，适合于小规模监控环境；硬盘非冗余模式工作，数据容易丢失；分布式存储，DVR存储空间不能直接实现共享；单设备容量有限，随着监控规模的扩大，管理、维护比较困难；硬盘顺序工作，减少硬盘损耗，但检索与回放性能较差。平台服务器存储模式4.2.1DAS直连模式传统的DAS监控存储架构：存储和监控客户端使用DAS直联的方式存取录像数据；使用一台PC机作监控客户端；同时具有一台网络视频服务器来转发视频流；多台存储设备通过级联方式挂接在视频服务器后。如下图所示：传统监控存储架构缺点：视频监控CVR流存储系统解决方案-7-存储直联，使得存储利用率不高，存储容量不能共享；存储扩展性差，不利于后期扩容；线缆距离有限，不利于部署；数据查询效率低，不利于快速调取需要的数据；网络带宽不便于扩展，需要中断应用才可以实施。4.2.2先进的存储局域网络SAN结构存储局域网络SAN是目前最为先进的海量存储架构，他是建立在服务器集群和存储设备之间的网络，给服务器集群提供集中式的共享的存储空间，便于管理。SAN的优点可归纳为下几点：SAN存储系统扩展性好、升级能力强，投资保护性好。实现了存储系统支持数据集中式管理