Summary 1what is san 2basics of san 3architecture of san4basic mechanism of san 3. A nas is a single storage device that operates on data files, while a san is a local network of several devices. Sans are the leading storage infrastructure for the global economy of today. Nas vs san network attached storage vs storage area. Storage area networks for dummies download ebook pdf. In fact, if our sever wants to use san storage, it uses scsi type commands, just as it would use them as if the drive was actually attached locally. Storage area networking fundamentals global knowledge. Sg24547000 international technical support organization. Introduction of storage area network linkedin slideshare. Storage area networks and network attached storage provide networked storage solutions. Network attached storage nas is a type of dedicated file storage device that provides local area network local area network lan nodes with filebased shared storage through a standard ethernet connection.
An san makes a network of storage devices accessible to multiple servers. Storage area network is explained by the storage industry network association snia and they defined it as a network whose main purpose is the exchange of information between computer systems and elements. The storage area network storage area networks for. Furthermore, storage networks open up new possibilities for data management. Nas is specialized for serving files either by its hardware, software, or configuration. Differences between san and nas its easy to confuse the terms storage area network san and network attached storage nas. San storage area network tutorials for the beginners. Their duties include the testing of new products and the validation of concepts on the basis of. San vs nas difference between a storage area network and. Introduction to storage area networks san youtube, storage area network tutorial pdf, storage area network definition, san vs nas. Designing and implementing a mass storage system the holy grail of data storage management, pearson education storage networks explained. A storage area network san provides a pool of storage resources that can be centrally managed and. With the announcement of the new dell storage scv2000 series arrays, customers now have a highly capable, enterprise class, entrylevel storage solution that brings many of the benefits of dell s more advanced sc4000 and sc8000 sanbased products.
He is a wellknown author on case topics having written three best selling books in the oracle case computeraided. Network attached storage nas is a filelevel as opposed to blocklevel computer data storage server connected to a computer network providing data access to a heterogeneous group of clients. San conceptual and design basics vmware esx server can be used in conjunction with a san storage area network, a specialized high. Seminar pdf report on storage area network san with ppt. Storage area network san cheat sheet searchitchannel. A storagearea network san is a dedicated highspeed network or subnetwork that interconnects and presents shared pools of storage devices to multiple servers. A simple and relatively inexpensive way to add more storage to your network is to use network attached storage, also known as nas. Introduction to storage area networks jon tate fabiano lucchese richard moore learn basic san terminology and component uses introduce yourself to the benefits a san can bring discover the ibm totalstorage san portfolio front cover.
A comprehensive guide to designing and implementing storage area networks storage area network essentials electronic commerce has made traditional data storage methods obsolete. The storage area network san infrastructure facilitates storage consolidation, data sharing, server clustering, lanfree and serverless backup across heterogeneous host server platforms. The city of yorkton must replace its existing data storage area network san with a new one that has more speed, more features, and greater capacity. Sans are primarily used to enhance accessibility of storage devices, such as disk arrays and tape libraries, to servers so that the devices appear to the operating system as locallyattached devices. Ethernet media using an io protocol called iscsi is emerging in 2001. The complete reference robert spalding, tata mcgraw hill, 2003. A local area network generally provides highbandwidth communica tion over. You may also see references to a metropolitan area networks man, a wireless lan wlan. Using esx server together with a san provides extra storage. This chapter describes fundamentals of storage area networks sans, their architectural elements interfaces, interconnects, and fabrics, technologies fibrechannelarbitrated loop transport protocol, brocades configurations, infiniband switchedfabric architecture, crossroad systems with a storage router, virtual interface architecture, direct. Pdf download storage area network fundamentals free. This course focuses on the planning and implementation considerations associated with establishing that san infrastructure.
Thats because fiber channel storage area networks use blocklevel io. Introduction to storage area network, san ravi kumar khattar, mark s. A local area network lan is a computer network that interconnects computers within a limited area such as a residence, school, laboratory, university campus. Using routers, lans can connect to wide area networks wans, explained below to rapidly and safely transfer data. Ulf troppens and rainer erkens are employed at ibm totalstorage interoperability center in mainz, a testing, development and demonstration laboratory for storage products and storage networks. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Both authors work at the interface between technology and customers.
San devices appear to servers as attached drives, eliminating traditional network bottlenecks. Both refer to relatively new network technologies that let you manage the disk storage on your network. This edition applies to the products in the ibm storage area networks san portfolio. A storage area network san is a secure highspeed data transfer network that provides access to consolidated blocklevel storage. Today, most sans use fibre channel media, providing an anytoany connection for processors and storage on that network.
The need for fulltime data access, as well as the sharing of storage and data by multiple applications, has given rise to a completely new data storage paradigm the. Basics and application of fibre channel san, nas, iscsi, infiniband and fcoe troppens, ulf, erkens, rainer, mullerfriedt, wolfgang, wolafka, rainer, haustein, nils on. Key considerations in developing a storage area network design the best storage area network design for your customers will take into consideration a number of critical issues. A nas device is a selfcontained file server thats preconfigured and ready to run. What is sanstorage area network is a design to transfer data, from serverto clients. Basics and application of fibre channel san, nas, iscsi, infiniband and fcoe.
A complete guide to understanding and implementing sans richard barker. This site is like a library, use search box in the widget to get ebook that you want. Basics and application of fibre channel san, nas, iscsi, infiniband and fcoe, second edition. Because of this unfamiliarity, we explain the basic concepts of the networking world. Ever wondered what vpn, lan, pan and other networks are.992 613 666 798 1339 470 1380 1063 557 320 396 269 1104 584 285 1239 567 1124 427 268 576 1280 442 1463 321 1141 557 221 323 228