An introduction to storagearea networks and networkattached. Introduction to storage area networks and system networking ibm redbooks on. Storage area network as a networked highspeed enterprise infrastructure. Storage area networking fundamentals global knowledge. Storage area networks, secure storage, key management, group key agreement 1 introduction continued growth and popularityof the internet fuels increased reliance on ebusiness which often involves dataintensive applications. Storage area networks for dummies 2, poelker, christopher, nikitin.
Fc technology is clearly the most popular approach for enterprise data center sans. Storage area network fundamentals raman nagpal, meeta. Storage area network san ip storage networking arista. What is storage area network san free storage tutorials. Thats because fiber channel storage area networks use blocklevel io. Storage area network san a storage area network san is a specialized, dedicated high speed network joining servers and storage, including disks, disk arrays, tapes, etc. Because all data storage was located inside each individual server, you had no effective way to efficiently allocate storage space between all the servers. What properties a storage area network must have, should have, and may have. Storage area networks for dummies pdf free download. Download it once and read it on your kindle device, pc, phones or tablets. This chapter identifies characteristics, architectural concepts, technologies, applications, and marketplace of storage area networks sans.
A storage area network san is a dedicated network that provides access to data storage and operations only on the block level. Mar 31, 2011 this is certainly true of storage area networks sans. Storage area networks are the future of enterprise storage, period. Storage area network as a networked highspeed enterprise infrastructure nt windows nt. Driving storage performance over ethernet networks switch port buffering is a critical consideration in ip based storage networks. Introduces fibre channel san technology and demonstrates exactly how it can be used to address specific application challenges. Storage area networks sans established their role as the heart of enterpriselevel primary storage in the early 2000s. San devices appear to servers as attached drives, eliminating traditional network bottlenecks. Designing storage area networks guide books acm digital library. Sg24547000 international technical support organization. Introduction to storage area networks in this chapter, you will learn about the following. Introduction to storage area networks free computer books. Consequently, the amount of information that needs to be stored and managed can become quite intimidating. Based on agilents tachyon dx2 singlechip controller.
Storage area network architectures technology white. A storage area network san is a secure highspeed data transfer network that provides access to consolidated blocklevel storage. While a relative newcomer in the world of distributed networked servers, the san concept was long used in the mainframe environment vacca, 2002. San usually has own network of storage deviceselements and disk arrays that are connected with each other and to a remote datasharing network.
Pdf this chapter describes fundamentals of storage area networks sans, their architectural elements interfaces, interconnects, and fabrics. If you are forecasting significant growth in storage requirements, you should develop your san strategy now. Understand the basics plus more of storage area networks san and network attached storage nas free course. Explore storage area networks with free download of seminar report and ppt in pdf and doc format. Storage devices storage area networks page 1 calhoun. Introduction to storage area networks, ibm account registration. A storage area network san or storage network is a computer network which provides access to consolidated, blocklevel data storage. A sans architecture works in a way that makes all storage devices available to all servers on a lan or wan. 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. Local area network designintroduction to storage area networks. Why information services professionals should be interested in storage networking. Information processing capabilities enabled by storage area networks.
This edition applies to the products in the ibm storage area networks san portfolio. Introduction to san and nas storage understand the basics plus more of storage area networks san and network attached storage nas rating. Free storage area network tutorial introduction to san and. A storage area network san transfers data between computers and storage systems. You can search for, view, or download redbooks, redpapers, hints and tips. An introduction to storagearea networks and network. The storage area network san infrastructure facilitates storage consolidation, data sharing, server clustering, lanfree and serverless backup across heterogeneous host server platforms. What is storage area network san in simple words san is a highspeed, dedicated network of servers and shared storage devices and provides access to consolidated, block level data storage.
Sans are widely used for enhancing the storage devices optical jukeboxes, disk arrays, tape libraries. This document examines the options that colt can provide customers to connect data centres together in a secure manner. Summary 1what is san 2basics of san 3architecture of san4basic mechanism of san 3. Information is the underlying resource on which all computing processes are based. A storagearea network san is a dedicated highspeed network or subnetwork that interconnects and presents shared pools of storage devices to multiple servers. Free storage area network tutorial introduction to san. Each hardware component might have a device manager or thirdparty management software.
The market perception of storage area networks computing is based on data. Introduction to vmware infrastructure 12 vmware, inc. The basic idea is adopting pause packets from the 802. The plethora of data that is created by the businesses of today is making storage a strategic investment priority for companies of all sizes. The importance of software to storage area networks. Also explore the seminar topics paper on storage area networks with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year computer science engineering or cse students for the. A storage area network san is a high availability device used to interconnect computers and networks to a central repository of data. Designed as an introduction to sans, storage area network fundamentals develops an understanding of san basics and shows how to plan, implement, and manage a san. Sep 11, 2012 introduction of storage area network 1.
Sure, users could share files over a lan, but you still needed a way to share access to the physical disks in every server. Introduction to storage area networks oreilly media. A san is, at its simplest, a dedicated network for data storage. This chapter describes fundamentals of storage area networks sans, their architectural elements interfaces, interconnects, and fabrics, technologies fibrechannelarbitrated loop transport. Introduction to storage area networks computer network. A storage area network san is a specialized, highspeed network that provides blocklevel network access to storage. An san makes a network of storage devices accessible to multiple servers. Storage data store is separated from the processors and separated processing. The deep buffer architecture of the arista 7280r and 7500r series switches provides a platform for lossless asymmetric connections with 10g, 25g, and 50g nodes, such as storage devices and compute nodes. Storage area networks the storage area network san is a response to the storage management challenge and opportunity. Ibm director of licensing, ibm corporation, north castle drive armonk, ny 105041785 u. Also explore the seminar topics paper on storage area networks with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year electronics and telecommunication engineering or ece students for the year. Your data flow is only as fast as your network connectivity allows. Storage area networks sans are sometimes referred to as network behind the servers.
The superabundance of data that is created by todays businesses is making storage a strategic investment priority for companies of all sizes. An introduction to storagearea networks and networkattached storage learn more about fibre channel sans, san switches, nas clusters, nas virtualization and. Information is stored on storage media and selection from introduction to storage area networks book. Nov 17, 2012 introduction to storage area networks and system networking ibm redbooks on. Storage area networks seminar report and ppt for cse. A san includes one or more storage arrays that are managed by one or more servers or hosts running the storage management software. At a thin 202 pages, that book was the first to provide a brief overview of storage area network san technology and was. Pdf storage area networks fundamentals researchgate. 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. High capacity, high availability, high scalability, ease of configuration, ease of. Storage area network fundamentals presents the benefits of storage area networks sans to corporate users and enables them to deploy san technology effectively. Introduction to storage area networks july 2006 international technical support organization sg24547003.
A storage area network is usually clustered in close proximity to other computing resources such as ibm z990 mainframes but may also extend to remote locations for backup and archival storage, using wide area network carrier technologies such as atm or sonet. Sans are a newer development in the disk and tape attachment business. San applications a san storage ar ea network is a networked highspeed infras tructure subnetwork that establishes direct access by servers to. Due to the highlevels of fault tolerance built into a storage area network, sans are. The ip approach to storage is server centric due to the fact that it can be transported over a standard ip infrastructure, including traversal of layer 3 boundaries. To do so, they employ a combination of technologies, including. An introduction to storage area networks and networkattached storage learn more about fibre channel sans, san switches, nas clusters, nas virtualization and other network storage technologies. Physical topology of vi datacenter as figure 2 shows, a typical vmware infrastructure datacenter consists of basic physical building blocks such as x86 computing servers, storage networks and arrays, ip networks, a management server, and desktop clients. Offers practical guidelines for implementing and utilizing sans to solve the realworld needs of business networks.
This is where a storage area network san enters the arena. This is the same way in which scsi hard disk drives work if they were installed directly in the server. Introduction to storage area network, san ravi kumar khattar, mark s. Introduction to storage area networks and system networking. At first, sans were expensive and proprietary, but since the 2010s, sans.
Introduction to storage area networks free download as powerpoint presentation. Introduction storage area networks san are an essential component of many modern enterprise it infrastructures. This white paper provides an overview of key technologies that have evolved around data storage and storage networking. Ppt storage area network san powerpoint presentation. System dependent networkattached storagenas nas scalability. Corporation, registered in many jurisdictions worldwide. In this paper, we will concentrate on the enterprise storage market where the customer has chosen to replicate. Some example san configurations image courtesy of isbn. This book is a great introduction to concepts and equipment commonly used in the sanfibre channel field. Introduction to storage area networks ibm redbooks. Sans are typically composed of hosts, switches, storage elements, and storage devices that are interconnected using a variety of technologies, topologies, and protocols. In other words, storage becomes another application on the network, albeit a mission critical one.
Storage area networks seminar report, ppt, pdf for ece. Storage area network as a service for cloud computing chapter 7. Wikipedia is a registered trademark of the wikimedia foundation, inc. Discover the advantages and disadvantages of storage area networks sans. A storage area network san or storage network is a computer network which provides access. Introduction to storage area networks san youtube, storage area network tutorial pdf, storage area network definition, san vs nas. The bursty nature of the ip storage networking flows cannot be overlooked. Introduction security and information storage systems when the word security is used in association with information storage systems in storage area networks sans, the first thought that comes to mind is of computer hackers infiltrating those information storage systems and causing problems. Excerpted from building a storage area network, dave fetters. If your company is heading toward, or has already passed the terabyte mark in storage, its a prime candidate for a san migration. As more storage devices are added to a san, they too will be accessible from any server in the larger. San solutions are usually connected using a fibre based optical connection with varying configurations in terms of storage capacity and redundancy levels. A today introduced the agilent hhba542x family of dualport pcix host bus adapters hbas for 2 gbs gigabit per second fibre channel storage area networks sans.
Ibm san solutions support virtualization, hybrid multicloud and big data requirements. What is sanstorage area network is a design to transfer data, from serverto clients. I discuss about introduction to storage area networks san. This course focuses on the planning and implementation considerations associated with establishing that san infrastructure. They consolidate the storage of multiple, storage devices into a single set of centrally managed resources. Introduction to the storage area network san services guide by chris evans, independent storage consultant with brookend ltd the world of storage area network sans technology may seem like a daunting place thanks to the many technology choices you must consider fibre channel, iscsi and storage over ip, to name but a few. In addition to storing data, sans allow for the automatic backup of data, and the monitoring of the storage as well as the. A storage area network is a highspeed sub network of shared storage devices. It is alternative to the directly attached targets. Introduction to storage area networks storage area. Ibm director of licensing, ibm corporation, north castle drive armonk, ny.