A san, or storage area network, is a dedicated network that is separate from lans and wans. Storage area networks unit 2 notes linkedin slideshare. San solutions are usually connected using a fibre based optical connection with varying configurations in terms of storage capacity and redundancy levels. What is san storage area network is a design to transfer data, from server to clients. When we start talking about storage area networks, there are two major terms well hear about. The data is read from or written to the storage medium by a piece of hardware known as a drive or a storage device. Pdf this chapter describes fundamentals of storage area networks sans, their architectural elements interfaces, interconnects, and fabrics. We have tried to include and provide the jntuh 42 class notes for all the. Storage area network a network whose primary purpose. The process involves abstracting and covering the internal functions of a storage device from the host application, host servers or a general network in order to facilitate the application. System dependent network attached storage nas nas scalability.
The storage data is very secure on the storage area network and cannot be copied or stolen by anyone else. The storage area network contains the fiber cables. Storage area network san installation and configuration. A storage area network san is a dedicated highspeed network or subnetwork that interconnects and presents shared pools of storage devices to multiple servers. San devices appear to servers as attached drives, eliminating traditional network bottlenecks. Introduction to storage area networks july 2006 international technical support organization sg24547003. Aug 02, 2017 seminar pdf report on storage area network san with ppt. The first of these is called colt sanlink and is costeffective between two sites. Storage area networks sans are the most common storage networking architecture used by enterprises for businesscritical applications that need to deliver high throughput and low latency.
Before using this information and the product it supports, read the information in notices on page ix. Ibm san solutions support virtualization, hybrid multicloud and big data requirements. 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. Today, most sans use fibre channel media, providing an anytoany connection for processors and storage on that network. The changing of zoning every time is tough because it contains the 16 bits of hexadecimal code in common worldwide names wwns networks. Your data flow is only as fast as your network connectivity allows. Storage area networks seminar report and ppt for cse students. Overview the term san designates a new type of storage architecture in which the storage systems are attached to a high speed network dedicated exclusively to storage. San notes sjbit storage area networks 06cs833 syllabus. It is alternative to the directly attached targets. Due to the highlevels of fault tolerance built into a storage area network, sans are. Storage area networks 10cs765 vtu belagavi, karnataka wednesday, 19 august 2015.
Storage area network as a service for cloud computing chapter 7. Storage virtualization is the process of grouping the physical storage from multiple network storage devices so that it looks like a single storage device. Storage area network san installation and configuration guide. 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 year 2015 2016. Before using this information and the product it supports, read the information in. 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. Introduction to storage area networks ibm redbooks.
Finally, note the benefit of using a san, expressed by the direct connectivity of the. This local area use of long due to the fact that longhaul packet communication technology has haul network technology, indicated by the shaded area of fig. Storage area networks10cs765 vtu belagavi, karnataka wednesday, 19 august 2015. This is a storage mechanism that you are connecting to the network, usually with an ethernet connection. A storage area network san is a high availability device used to interconnect computers and networks to a central repository of data. Jan 19, 2017 i discuss about introduction to storage area networks san. Explore storage area networks with free download of seminar report and ppt in pdf and doc format.
Storage media vs storage drives information stored on backing store is placed on a storage medium. This chapter identifies characteristics, architectural concepts, technologies, applications, and marketplace of storage area networks sans. Government users restricted rights use, duplication or. 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. E engineeringcomputer science csesem 8 storage area networks san download. Sg24547000 international technical support organization. Storage area networks unit 1 notes linkedin slideshare. Before using this information and the product it supports, read the information in notices on page xv.
San conceptual and design basics vmware esx server can be used in conjunction with a san storage area network, a specialized high. Storage area networks san download wondering how to thank us. This edition applies to the products in the ibm storage area networks san portfolio. In this new backup approach, backedup data are removed. Storage area networks have historically tended to be rather proprietary and. Nevertheless, the terms storage area network and san are often.
Acceleration of hard disk access in the field of disk subsystems, caches are designed to accelerate write and read accesses to physical hard disks. That is, a storage device records and retrieves items to and from a storage medium. Introduction to storage area networks san youtube, storage area network tutorial pdf, storage area network definition, san vs nas. Storage area networks seminar report and ppt for cse. Storage area network san implementation 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 typically composed of hosts, switches, storage elements, and storage devices that are interconnected using a variety of technologies, topologies, and protocols.
What is storage area network san storage tutorials. Issues in the connection and cable in storage area network. In this connection we can differentiate between two types of cache. Storage centric it architecture and its advantages. Storage area networking field and has worked at ibm for 4 years.
A san typically has its own network of storage devices that are generally not accessible through the local area network by other devices. The advantages of storage area networks and server centric it architectures. A storage area network san is a specialized, highspeed network that provides blocklevel network access to storage. I discuss about introduction to storage area networks san. E engineeringcomputer science csesem 8storage area networks san download. Introduction to storage area networking this chapter describes in general terms the benefits, the challenges, and risks of using a storage area network san. Here storage area network san come into picture which is basically a combination of computers and storage devices connected in a network.
San unit 1 san unit 2 san unit 3 san unit 5 san unit 6 san unit 7 san question paper solved santext book. There can be a remote copy of the storage data kept separately using the storage area network. Ppt storage area network san powerpoint presentation. Pdf a san internetworking has been highlighted in this paper describing new technologies available for building an enterprisewide san and connecting. And in the world of storage on the network, this is the most basic kind. San is a network which is designed to attach computer storage devices such as disk array controllers and tape libraries to servers. A storage area network san or storage network is a computer network which provides access to consolidated, blocklevel data storage. Aug 19, 2015 storage area networks10cs765 vtu belagavi, karnataka. Introduction to storage area networks, sg24547008 ibm midrange system storage implementation and best practices guide, sg24636304 ibm system storage solutions handbook, sg24525011. Note that these applications must be able to tolerate. Storage data store is separated from the processors and separated processing. High capacity, high availability, high scalability, ease of configuration, ease of. Ethernet media using an io protocol called iscsi is emerging in 2001. Seminar pdf report on storage area network san with ppt.
This can be useful if there is a primary data failure or natural disaster. A study paper on storage area network problemsolving issues. 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. Sticky august 4, 2017 uncategorized kmitit4yr2semsanmaterial. E engineering computer science cse sem 8 storage area networks san download wondering how to thank us. A storage area network san is a secure highspeed data transfer network that provides access to consolidated blocklevel storage.
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