It seems that everywhere you turn these days, you hear someone talking about storage area network san storage. Designing storage area networks, second edition, also features detailed case studies that demonstrate how sans can solve a number of commonly encountered business challenges, including lan free and server free tape backup, server clustering, and disaster recovery. 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 area network san. Build highly available storage at a fraction of the cost of san or nas using storage spaces direct and industry. A storage area network san is a secure highspeed data transfer network that provides access to consolidated blocklevel storage. Fiber channel over tcpip fcip, defined in ietf rfc 3821, is a pure fc encapsulation protocol. The file gateway virtual machine appliance currently supports up to. Ppt storage area network san powerpoint presentation. Seminar pdf report on storage area network san with ppt. It focuses on the techniques and the technologies that have evolved around slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.
The ietf was made up of the industries leading it technology companies including ibm and cisco. Mar 31, 2011 a storage area network is a highspeed sub network of shared storage devices. As the conversation advances, you will find on the notepad the flowchart that governs the course modules. Storage network architecture is the conceptual structure and logical organization of a. This course is designed for technical professionals, engineers seeking an accelerated learning path that includes both conceptual knowledge of fibre channel san technologies, ip storage, iscsi, and 10 gige and handson experience in heterogeneous san environments. As storage takes precedence, the following major initiatives emerge. An internet is a network of networks in which routers move data among a multiplicity of networks. Pdf introductionsan overviewsan technologies and solutionsother. He discusses on different storage systems made available in the markets. Storage area network brocade san architectural brief. Nas is specialized for serving files either by its hardware, software, or configuration. This site is like a library, use search box in the widget to get ebook that you want. The storage area network san infrastructure facilitates storage consolidation, data sharing, server clustering, lan free and serverless backup across heterogeneous host server platforms.
The changing of zoning every time is tough because it contains the 16 bits of hexadecimal code in common worldwide names wwns networks. Ibm storage solutions enable clients to deploy a highspeed, lowlatency unified fabric architecture. 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. Storage area network architectures technology white. This is where a storage area network san enters the arena. It allows the interconnections of islands of fc storage area networks through ipbased networks to form a unified storage area network. Storage area network fundamentals presents the benefits of storage area networks sans to corporate users and enables them to deploy san technology effectively. Ethernet media using an io protocol called iscsi is. Introduction to storage technologies and terminology. By carrying scsi commands over ip networks, iscsi is used to facilitate data transfers over intranets and to manage storage over long distances. An san makes a network of storage devices accessible to multiple servers. The storage area network contains the fiber cables. Fibre channel san storage overview tutorial video youtube.
Similarly, it is important to select a nas architecture that offers the best filesharing scheme for a single largescale data image. San usually has own network of storage deviceselements and disk arrays that are connected with each other and to a remote datasharing network. 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. A storage area network san is a dedicated network that provides access to data storage and operations only on the block level. Storage area network as a networked highspeed enterprise infrastructure. 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. Storage area network architectures technology white paper. Storage data store is separated from the processors and separated processing. Related terms such as storage area network and network attached storage are described in separate entries.
Storage area networksan white papers san architecture. Feb 27, 2014 theres no question that many data centers have reached the tipping point where without at least a gradual upgrade to the nextgeneration storage network architecture, the potential return on investment roi in the compute and storage layers will be limited. Issues in the connection and cable in storage area network. Reduce storage cost structure a video studio relies on highly available clustered storage area networks sans and network attached storage nas arrays, which are costly to purchase and maintain.
Block, file and object storage compared openio storage talk. High capacity, high availability, high scalability, ease of configuration, ease of. Introduction to storage area network, san ravi kumar khattar, mark s. A storage area network san is a dedicated highspeed network or subnetwork that interconnects and presents shared pools of storage devices to multiple servers.
Storage performance is enhanced using a fast interface, such as fibre channel fc, that connects storage servers and storage devices through an array of switches and hubs to form a fabric that supports both redundancy and high availability. Introduction to storage area networks july 2006 international technical support organization sg24547003. Pdf this chapter identifies characteristics, architectural concepts. San devices appear to servers as attached drives, eliminating traditional network bottlenecks. A storage area network san is a dedicated, highspeed network that provides access to blocklevel storage.
Ip san an ip san is a storage area network that uses the iscsi protocol to transfer blocklevel data over a network, generally ethernet. Emc san tutorials for the beginners storage area network. Contrast this with the traditional architecture of direct attached storage and you can immediately see the difference. Initiator in this document the term initiator is used interchangeably to refer to a server, host or device driver that initiates i. System dependent network attached storage nas nas scalability. The idea behind storage networks is that the scsi cable is replaced by a network that isinstalled in. The best place to start when explaining storage area networks is with fibre channel, the original san protocol. Building a solid foundation for enterprise applications as your data assets grow, a carefully considered san design can help close the gap between the sheer quantity of storage data and the amount that is adequately protected. File gateway for hybrid cloud storage architectures. 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. Auspex storage architecture guide more cost effective and high performance sans based on the standard gige technology esans become available over the next few years.
A central computer, or server, acts as the storage location for files and applications shared on the network. Storage area network essentials electronic commerce has made traditional data storage methods obsolete. A bucket share consists of a file share hosted from a file gateway across a single amazon s3 bucket. A san is a specialized highspeed network of storage devices and switches connected to computer systems. 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. The inside scoop on a leadingedge data storage technology the rapid growth of ecommerce and the need to have all kinds of applications operating at top speed at the same time, all on a 247 basis while. A san allows multiple servers to access any storage device. Storage area network if you have a more demanding san environment, the dell emc cx400 is a versatile, rackdense midrange 2gb fibre channel storage array offering up to. Storage area networks san download wondering how to thank us.
The san is an increasingly popular method of achieving the performance goals of small businesses. Dec, 2017 12 videos play all vsan architecture 100 series vmware vsan containers and vms a practical comparison duration. Today, most sans use fibre channel media, providing an anytoany connection for processors and storage on that network. A storage area network san or storage network is a computer network which provides access to consolidated, blocklevel data storage. 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. Peer to peer networking clientserver networks are more suitable for larger networks. Sans are typically composed of hosts, switches, storage elements, and storage devices that are interconnected using a variety of technologies, topologies, and protocols. Designing storage area networks download ebook pdf, epub. Ibm takes an open, standardsbased approach to implement the latest advances in the flat, converged data center network designs of today. Storage managers, storage administrators, administrators for san, backuprecovery, and disaster recovery storage. Sg24547000 international technical support organization.
To do the wrong plan is the causes the problem in storage area network. A storage area network san or storage network is a computer network which provides access. Although sans used to be the domain of larger companies, a recent study shows that. As an informationsystems professional, you must keep pace with this powerful. A san typically is a dedicated network of storage devices not. Storage area networking fundamentals global knowledge. What is storage area network san storage tutorials.
Storage area network san is a specialized, highspeed network that provides blocklevel network access to storage. One of the primary obstacles to implementing a storage network cited by enterprise it managers is a lack of knowledge about storage networking technology and the specific issues involved in extending a storage area network san or network attached storage nas over the metropolitan area networks man or wireless area networks wan. A san typically has its own network of storage devices that are generally not accessible through the local area network by other devices. A storagearea network san is a dedicated highspeed network or subnetwork that interconnects and presents shared pools of storage devices to multiple servers. A sans architecture works in a way that makes all storage devices available to all servers on a lan or wan. Sans were adopted to improve application availability and performance by segregating. In this netapp training tutorial, we will focus on netapp storage architecture. This course focuses on the planning and implementation considerations associated with establishing that san infrastructure. Furthermore, storage networks open up new possibilities for data management. Click download or read online button to get designing storage area networks book now. Storage networking is very similar to other kinds of it networking. Pdf storage area network fundamentals researchgate. Types of antennas for rf transmission 41 figure 44.
Storage area network architectures technology white paper heng liao technical advisor issue 1. Introduction to storage area networks ibm redbooks. Just as you can connect multiple pcs and servers into a local area network lan or a wide area network wan, you can connect multiple storage arrays into a storage area network san. Cctv technology handbook united states department of. The netapp storage architecture is organised into disks, aggregates, raid groups, volumes, qtrees and luns. Storage area networks and network attached storage provide networked storage solutions.
Pdf this chapter describes fundamentals of storage area networks sans, their architectural elements interfaces, interconnects, and fabrics. Aug 02, 2017 seminar pdf report on storage area network san with ppt. Fiber channel storage fcs fc is a gigabitspeed network technology. Using esx server together with a san provides extra storage for consolidation, improves. Pdf this chapter identifies characteristics, architectural concepts, technologies, applications, and marketplace of storage area networks sans. A nas is a single storage device that operates on data files, while a san is a local network. Storage area network fundamentals cisco press networking. Amazon web services file gateway for hybrid cloud storage architectures page 2 access to data for file share clients in the same local area network lan as the file gateway. A storage area network san is a specialized, highspeed network that provides blocklevel network access to storage. This edition applies to the products in the ibm storage area networks san portfolio. Four generations of sans shares of leading companies in the san market gardner 2004. Storage area networks sans are sometimes referred to as network behind the servers. 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. Storage area network san architecture refers to the logical layout of a san infrastructure.
Storage area network essentials by barker, richard ebook. This course focuses on the planning and implementation considerations associated with. Storage area network as a networked highspeed enterprise. All machines in the network are free to use the network whenever they choose if no one else. A complete guide to understanding and implementing sans veritas series by richard barker. How the san is logically created components used data storage and retrieval frameworks devicehost interconnectivity other parameterscomponents essential for a san. The iscsi specification defined a protocol that allows scsi commands to be. A san is consists of a network that sits between the servers and the storage devices. A study paper on storage area network problemsolving issues. What is storage area network architecture san architecture.
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