Fibre channel fc is the predominant architecture on which most san. A communication infrastructure and this communication infrastructure furnish physical. Pdf storage area network architecture to support the. A communication infrastructure and this communication infrastructure. 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. San devices appear to servers as attached drives, eliminating traditional network bottlenecks. 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.
I also look at how sans meet the network storage needs of todays organizations and answer the question, could a san be right for you. Storage area network san architecture refers to the logical layout of a san infrastructure. A network service menu that displays the customizable services across a broad category of network capabilities, including mobility, connectivity, and device management, alongside the quality of service qos controls and a demandbased pricing card, will create the perfect menu for future enterprise customers to choose from. Today, most sans use fibre channel media, providing an anytoany connection for processors and storage on that network. 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. An internet is a network of networks in which routers move data among a multiplicity of networks. Storage area network essentials electronic commerce has made traditional data storage methods obsolete. The former uses file level storage and the latter uses block level storage. Server centric it architecture and its limitations. Storage virtualization an overview sciencedirect topics. In early installations, the entire san was located within a building or.
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 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. Ethernet media using an io protocol called iscsi is. There is another key difference between data storage on a server or nas box, and how data is stored in a san. Network attached storage nas is based on open networking standards. A san, or storage area network, is a dedicated network that is separate from lans. Introduction to storage area network, san ravi kumar khattar, mark s. Sans also enable new network architectures where multiple hosts.
Storage data store is separated from the processors and separated processing. Ibm storage solutions enable clients to deploy a highspeed, lowlatency unified fabric architecture. If youre looking for a free download links of distributed storage networks. 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. Port buffering is a critical consideration in the ip based storage area network san architecture. Nas is a file based storage architecture with resources attached directly to the lan.
Heng liao is a technical advisor in the product research group and oversees ics for enterprise. Product guide that can be downloaded in pdf format from. The storage area network combines an array of storage devices and enables faster communication. In other words, bc considerations based on risk assessment and its impact on the business can be considered one of the primary drivers for many businesses to adapt network technologies and design principles to meet their desired goals 5.
Storage virtualization allows us to harness a wide range of storage facilities and represent them under a single logical file system. This is certainly true of storage area networks sans. Subscribe to our monthly newsletter, snia matters, and check out the latest edition here. There are different techniques for storage virtualization, one of the most popular being networkbased virtualization by means of storage area networks sans. Cisco san analytics and san telemetry streaming solution. Introduction to storage area networks semantic scholar.
Stay up to date on snia announcements, programs, technology news, events, education, and more. A storage area network san is a secure highspeed data transfer network that provides access to consolidated blocklevel storage. The future of enterprise network architecture deloitte us. Seminar pdf report on storage area network san with ppt. The san is an increasingly popular method of achieving the performance goals of small businesses. A storage area network san is a dedicated network that provides access to. Basic storage concepts hard disk drive computer network. Related terms such as storage area network and network attached storage are described in separate entries. This is where a storage area network san enters the arena. Although sans used to be the domain of larger companies, a recent study shows that. A storagearea network san is a dedicated highspeed network or subnetwork that interconnects and presents shared pools of storage devices to multiple servers.
A storage area network san or storage network is a computer network which provides access to consolidated, blocklevel data storage. Storage area network architectures technology white. How the san is logically created components used data storage and retrieval frameworks devicehost interconnectivity other parameterscomponents essential for a san. In early installations, the entire san was located within a building or campus.
This book highlights configuration guidelines and preferred practices for the storage area network san topology, clustered system, backend storage, storage pools and managed disks, volumes, remote copy services, and hosts. Windows server 2012 r2 storage technical scenarios and solutions title of document 5 5 5 overview according to recent studies, more than 40 percent of information technology it staffs in the world today are encountering significant increases in data volume. Ppt storage area network san powerpoint presentation. Storage area network brocade san architectural brief. As storage takes precedence, the following major initiatives emerge. Storage area network as a networked highspeed enterprise infrastructure.
Storage centric it architecture and its advantages. Architecture, protocols and management pdf, epub, docx and torrent then this site is not for you. 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. Networkattached storage nas is a filelevel storage architecture that makes stored data more accessible to networked devices. Your data flow is only as fast as your network connectivity allows.
Storage area network architecture to support the flexibility of digital evidence storage article pdf available in international journal of computer applications 18241. Storage area network as a networked high speed enterprise infrastructure. 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. Introduction to storage area networks july 2006 international technical support organization sg24547003. San solutions are usually connected using a fibre based optical connection with varying configurations in terms of storage capacity and redundancy levels. Similarly, it is important to select a nas architecture that offers the best filesharing scheme for a single largescale data image. The snia is a nonprofit global organization dedicated to developing standards and education programs to advance storage and information technology. High capacity, high availability, high scalability, ease of configuration, ease of. What is storage area network san storage tutorials. 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. Sans use a networkaccessible device through a large. Ibm san solutions support virtualization, hybrid multicloud and big data requirements. Storage area network san ip storage networking arista. The solution is natively available on the storage area network due to its integratedbydesign architecture with the cisco mds 9000 switch family.
Due to the highlevels of fault tolerance built into a storage area network, sans are usually the. This edition applies to the products in the ibm storage area networks san. Introduction to storage area networks ibm redbooks. A storage area network san is a high availability device used to interconnect computers and networks to a central repository of data. 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. Communication and network security designing and protecting network security. A san typically is a dedicated network of storage devices not.
Peel away the layers of even the most complex technologies and you are likely to find that they provide the most basic of functions. The bursty nature of ip storage networking flows cannot be overlooked. Pdf storage area network fundamentals researchgate. Three types of network storage options have typically been available.
Sg24547000 international technical support organization. An san makes a network of storage devices accessible to multiple servers. You can search for, view, or download redbooks, redpapers, hints and tips. Cisco san analytics delivers deep visibility into io traffic between the compute and the storage infrastructure. A san typically has its own network of storage devices that are generally not accessible through the local area network by other devices. Sans also enable new network architectures where multiple hosts access multiple storage. Pdf this chapter identifies characteristics, architectural concepts, technologies, applications, and marketplace of.
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