Why information services professionals should be interested in storage networking. Sans, networkattached storage nas, and directattached storage. Types most storage networks use the scsi protocol for communication between servers. Sans permit the transfer of data without a server directly between servers, or imaging workstations and the storage using fibre channel highspeed serial io instead of the network stack. Looking at the pros and cons of using a storage area network. Ppt storage area network san powerpoint presentation. 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. Abstract this chapter identifies characteristics, architectural concepts, technologies, applications, and marketplace of storage area networks sans. Introduction to storage area networks semantic scholar. Storage area network article about storage area network. Sans are typically composed of hosts, switches, storage elements, and storage devices that are interconnected using a variety of technologies, topologies, and protocols. Designing and implementing a mass storage system, prentice hall, september 2000, 314 pages. Introduction to storage area networks and system networking. A storage area network san is a high availability device used to interconnect computers and networks to a central repository of data.
Everyone likes new toys, and a storage area networks sans are pretty cool. Introduction to storage area networks july 2006 international technical support organization sg24547003. The abcs of storage area networks making the decision to invest in storage area networks sans requires an understanding of the differences between various approaches to managing storage. The abcs of storage area networks computer economics for. It can allow storage and tape backup resources to be pooled and shared effectively among host servers. Information processing capabilities enabled by storage area networks. The abcs of storage area networks computer economics. The storage area network contains the fiber cables. Introduction to storage area networks ibm redbooks. This chapter describes fundamentals of storage area networks sans, their architectural elements interfaces, interconnects, and fabrics, technologies fibrechannelarbitrated loop transport. A practical reference for implementing fibre channel sans, published in the. Also, the increasing complexity of managing a large numbers of storage devices and vast amounts of data is driving greater business value into software and services. Ccde introduction to storage networking and design. Jon tate, fabiano lucchese, richard moore, ibm rebooks, july 2006.
An introduction to storagearea networks and network. An introduction to storagearea networks and networkattached storage learn more about fibre channel sans, san switches, nas clusters, nas virtualization and. This is an introduction to storage area network presentation that i did for herzing university in atlanta, ga. This ibm redbooks publication provides an introduction to san and ethernet networking, and how these networks help to achieve a smarter data center. A storage area network san or storage network is a computer network which provides access. Storage area network san offers simplified storage management, scalability, flexibility, availability, and improved data access, movement, and backup. 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. Reasons to use a san rather than buying large servers with tons of internal disk space, see if a san would. Summary 1what is san 2basics of san 3architecture of san4basic mechanism of san 3. Three types of network storage options have typically been available. San usually has own network of storage deviceselements and disk arrays that are connected with each other and to a remote datasharing network. Sep 11, 2012 introduction of storage area network 1. Storage area network fundamentals cisco press networking.
In large enterprises, sans serve as pools of storage for the servers in the network. Every book you will ever read about storage area networks will start with this question. In this paper, we will concentrate on the enterprise storage market where the customer has chosen to replicate. There is no one simple answer, but there are multiple simple answers and they dont conflict with each other. This course focuses on the planning and implementation considerations associated with establishing that san infrastructure. This book is a practical guide for designing and implementing storage area networks, or sans. This redbook was produced by a team of specialists from around the world working at the. What is san storage area network is a design to transfer data, from server to clients. System dependent networkattached storage nas nas scalability. Storagearea networks sans established their role as the heart of enterpriselevel primary storage in the early 2000s. In a traditional system, each client and server must transmit data via the network stack a complex set of communications instructions which must be followed in order for the data packets to be. Articles with unsourced statements from september 2011 wikipedia articles with. A san is a collection of storage and backup devices connected together through a network that is totally separated from other servers via a switch.
Introduction of storage area network linkedin slideshare. A storage area network san or storage network is a computer network which provides access to consolidated, blocklevel data storage. Both options provide storage to clients across a network, which offers the huge. Storage area networks also separate storage traffic from general network traffic. At first, sans were expensive and proprietary, but since the 2010s, sans. Modern networks and data centers are looking to consolidate these two networks into one and to run them on a common transport such as ethernet. Softwaredefined storage sds is a storage architecture that separates storage software from its hardware. Storage on traditional networks traditional networks use servers running network protocols to transfer data to the clients. The fibre channel industry association, fibre channel storage area networks, butterworthheinemann, august 2001, 96 pages. In this article in the series, robert sheldon explains the differences between directattached storage, networkattached storage, and storage area networks. Free ebooks for windows administrators updated 4sysops. This redbook was produced by a team of specialists from around the world working at the international technical support organization, san jose center. Storage area network san articles, overviews and web. This framework has been developed to help storage architects determine which storage solutions may be most appropriate.
The changing of zoning every time is tough because it contains the 16 bits of hexadecimal code in common worldwide names wwns networks. Although sans used to be the domain of larger companies, a recent study shows that. 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. This, however, shouldnt be the main reason to install a san. This edition applies to the products in the ibm storage area networks san portfolio. Storage area network fundamentals presents the benefits of storage area networks sans to corporate users and enables them to deploy san technology effectively. Sg24547000 international technical support organization. Storage area networks are designed to relieve the jams caused by the traditional clientserver network. Introduction to storage area networks researchgate.
Issues in the connection and cable in storage area network. Sticky august 4, 2017 uncategorized kmitit4yr2semsanmaterial. Ibm z linuxone power systems red hat spectrum computing it business perspectives. Ibm fibre channel storage area network product portfolio. San storage area network an array of disk drives in a selfcontained unit. The importance of software to storage area networks.
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. As more storage devices are added to a san, they too will be accessible from any server in the larger network. This redbook is written for people marketing, planning for, or implementing storage area networks, such as ibm system engineers, ibm business partners, system administrators, system programmers, storage administrators, and other technical support and operations managers and staff. In addition to storing data, sans allow for the automatic backup of data, and the monitoring of the storage as well as the.
The storage area network san infrastructure facilitates storage consolidation, data sharing, server clustering, lanfree and serverless backup across heterogeneous host server platforms. A storage area network san is a specialized, highspeed network that provides blocklevel network access to storage. What properties a storage area network must have, should have, and may have. This ibm redbooks publication provides an introduction to san and ethernet. A collection of articles about exchange, virtualization, windows server, powershell, and unified messaging. The following work expands and updates the content of my previous book, designing storage area networks. Aug 05, 20 this is an introduction to storage area network presentation that i did for herzing university in atlanta, ga. Storage devices storage area networks page 1 calhoun. An introduction to storagearea networks and networkattached. Articles automation career culture linux programming security. It seems that everywhere you turn these days, you hear someone talking about storage area network san storage. This book is intended for people who are not very familiar with it.
San storage area network is an architecture to attach remote computer storage devices such as disk arrays, tape. 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. Storage networking based on fibre channel technology is a relatively new phenomenon, and although there is ample material for study in the form of standards documents and standards interpretations, few practical references are available. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Jun 12, 2012 a crash course in storage area networking part 3 a crash course in storage area networking part 4 a crash course in storage area networking part 5 a crash course in storage area networking part 6 introduction. This redbook is written for people marketing, planning for, or implementing storage area networks, such as ibm system engineers, ibm business partners, system administrators, system programmers, storage. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. San solutions are usually connected using a fibre based optical connection with varying configurations in terms of storage capacity and redundancy levels. Networking and storage have traditionally been two silos. Storage area network as a service for cloud computing chapter 7. It is alternative to the directly attached targets.
The handbook of computer networks, volume 3, distributed networks, network planning, control, management, and new trends and applications, edition. Compared to managing disks attached to each server, sans improve system administration. Introduction to storage area networks san youtube, storage area network tutorial pdf, storage area network definition, san vs nas. I discuss about introduction to storage area networks san. 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. Winner of the standing ovation award for best powerpoint templates from presentations magazine. The storage networking industry associations snia shared storage model ssm provides a guide to understanding the relationships between host applications, storage networks, and storage facilities. Reasons to use a san rather than buying large servers with tons of.
A smarter data center that hosts ibm storage solutions can provide an environment that is smarter, faster, greener, open, and easy to manage. A storage area network can offer many benefits to a business. The san is an increasingly popular method of achieving the performance goals of small businesses. Storage area network introduction to storage area network san jie feng winter 2001 what is san about data is asset how to store data. With current estimates of the amount of data to be managed and made available increasing at 60 percent each year, this outlook is where a storage area network san enters the arena. To do the wrong plan is the causes the problem in storage area network. Introduction to storage area network, san ravi kumar khattar, mark s. Adding resources to a nas requires the space, connectivity, and power to be. Jan 19, 2017 i discuss about introduction to storage area networks san. Unfortunately, the differences are not always clearly understood outside the realm of the enterprise data center.
A study paper on storage area network problemsolving issues. Storage area networks sans are sometimes referred to as network behind the servers. This book was produced by a team of specialists from around the world. Storage area network article about storage area network by. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. A san is a mass storage solution, designed to provide enormous. A sans architecture works in a way that makes all storage devices available to all servers on a lan or wan. Storage area networking fundamentals global knowledge. A storage area network san is a dedicated network that provides access to data storage and operations only on the block level. A list of references on storage area networks and fiber channel. Storage and storage protocols are not generally well known by network engineers.
Unlike traditional networkattached storage nas or storage area network san systems, sds is generally designed to perform on any industrystandard or x86 system, removing the softwares dependence on proprietary hardware decoupling storage software from its. System dependent networkattached storagenas nas scalability. Introduction to storage area network, san ibm redbook. Selected papers based on the presentations at the 4th annual ifip wg 11.
In this article in the series, robert sheldon explains the differences between directattached storage, networkattached storage, and storage area. A comprehensive guide to designing and implementing storage area networks storage area network essentials electronic commerce has made traditional data storage methods obsolete. Fibre channel is the highspeed technology and communications protocol to connect those storage and backup devices. Due to the highlevels of fault tolerance built into a storage area network, sans are. Introduction to storage area networks exhaustive introduction into san, ibm redbook san vs. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that. This is where a storage area network san enters the arena. A san is, at its simplest, a dedicated network for data storage. What is sanstorage area network is a design to transfer data, from serverto clients. They offer architectural definitions, write white papers, arrange technical. It is primarily used as the storage device server can access this. Storage area networks sans established their role as the heart of enterpriselevel primary storage in the early 2000s.
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