Storage area network fundamentals cisco press networking. For network and storage connectivity, it supports two network ports. Seminar pdf report on storage area network san with ppt. Sg24547000 international technical support organization. Storage area network san is used for transferring the data between the servers and the storage devices fiber channel and switches. Multiprotocol storage networks start with the enterpriseclass features, reliable performance, integrated inline analytics, and comprehensive, mature functions of fibre channel sans and extend them transparently to ethernet environments. In a typical storage area network design, each storage device connects to a switch that then connects to the servers that need to access the data. It features a flexible architecture including multishelf capabilities. Each port can be flexibly configured as either a 4x infiniband port or a 10.
As the county balances determination among commercialofftheshelf cots, inhouse development and cloudsoftware subscription services for the diverse portfolio of agencies business systems, the dit. A storagearea network san is a dedicated highspeed network or subnetwork that interconnects and presents shared pools of storage devices to multiple servers. In san storage area network, data is identified by disk block. What are the design considerations for the core, distribution, and access layers. The bursty nature of ip storage networking flows cannot be overlooked. Introduction to storage area network, san ravi kumar khattar, mark s. Storage area networks and network attached storage provide networked storage solutions. 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. Optical and data networking product portfolio fujitsu network communications inc. High capacity, high availability, high scalability, ease of configuration, ease of. Storage area network brocade san architectural brief. The pool consists of servers, external storage devices, hubs and switches, and network and storage management tools. Fibre channel networks have a reputation for being more expensive and complicated than ethernet networks.
Storage area network san ip storage networking arista. The hpe 3par storeserv family of flashoptimized data storage systems modernizes your data center to handle unpredictable workloads effortlessly, and hpe has the only storage smart enough to guarantee 99. A san typically is a dedicated network of storage devices not. Cisco mgn architecture is based on a set of best practices that apply to each foundational network technology. The high performance and scalability of the hpe 3par architecture is well suited fo r large or highgrowth projects, consolidation of mission critical information, demanding. A storage area network san is a specialized, highspeed network that provides blocklevel network access to storage. Two basic network types are local area networks lans and wide area networks wans.
Hpe data storage solutions software solutions insight. Ibm storage solutions enable clients to deploy a highspeed, lowlatency unified fabric architecture. To do the wrong plan is the causes the problem in storage area network. The multipath architecture of the ts3500 tape library is designed to provide the capability to share the library robotics. Ppt storage area network san powerpoint presentation. The original files retain their individual identities but are assembled into one pdf. San devices appear to servers as attached drives, eliminating traditional network bottlenecks.
A pdf portfolio contains multiple files assembled into an integrated pdf unit. The connectx architecture enables integration of extraordinary levels of functionality into a single adapter chip. Cloud storage is a way of storing data on the internet where provisioning ease and data durability far exceed what can typically be designed onpremises. The storage area network contains the fiber cables. 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. Bestseller nextgeneration storage market growth, trends, and forecast 2020 2025 the nextgeneration storage market is segmented by storage system direct attached, network attached, storage area network, storage architecture file and objectbased, block, enduser industry bfsi, retail, it and telecom, and geography. Fas and all flash fas aff systems with the clustered data ontap operating system. Vmware validated design for microsegmentation reference architecture guide vmware validated design for microsegmentation 3. A storage area network san or storage network is a computer network which provides access to consolidated, blocklevel data storage. Issues in the connection and cable in storage area network.
This document is the second in a series of cisco mgn 2. What is the design methodology used by network designers. As storage takes precedence, the following major initiatives emerge. To make sure this path isnt a point of failure, your client should buy two switches for the san network. Storage area network san architecture refers to the logical layout of a san infrastructure. Youll save time and money while increasing productivity. Hpe 3par storage is the ideal platform for businesscritical applications, for virtualization and for cloud computing environments. A storage area network san is a dedicated network that provides access to data storage and operations only on the block level. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext.
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. A nas is a single storage device that operates on data files, while a san is a local network. Defining a model of record our transformational data center strategy is to run intel data centers and all underlying infrastructure as if they were factories, with a disciplined approach to change management. Storage area network architectures technology white paper heng liao technical advisor issue 1. 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. Our storage networking portfolio is a reliable, highperformance storage connectivity platform.
International journal of computer applications 0975 8887 volume 182 no. 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. Introducing network design concepts objectives upon completion of this chapter, you should be able to answer the following questions. Software vendors are rethinking their professionalservices capabilities in order to satiate the evolving customer demand and maintain their margin growth. Computer network, two or more computers that are connected with one another for the purpose of communicating data electronically. Initiator in this document the term initiator is used interchangeably to refer to a server, host or device driver that initiates i. Introduction to storage area network, san august 1999. Vmware validated design for micro segmentation reference. San usually has own network of storage deviceselements and disk arrays that are connected with each other and to a remote datasharing network. Our experience in primary, secondary and hyperconverged storage, and nas and object solutions has given us a greater understanding of your needs than singlefocus vendors have. Storage data store is separated from the processors and separated processing. Furthermore, storage networks open up new possibilities for data management. The result is a single network with the flexibility to deploy a variety of storage. 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.
Similarly, it is important to select a nas architecture that offers the best filesharing scheme for a single largescale data image. Learn more about how cloud storage works, the benefits and requirements, the three types of cloud storage, and top use cases. Storage area network architectures technology white paper. Key considerations in developing a storage area network design. Storage area networks and green data centers chapter 12. Difference between storage area network san and network. Each storage unit should connect to both switches, as should each server. How the san is logically created components used data storage and retrieval frameworks devicehost interconnectivity other parameterscomponents essential for a san. 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.
But fc is a fabricbased storage topology, so all the links are active. Storage area network as a service for cloud computing chapter 7. Introduction to storage area networks ibm redbooks. These two technology shifts have produced three mutually coexistent methods for connecting storage to computing platforms. A study paper on storage area network problemsolving issues. A storagearea network san is a dedicated network that connects all the servers and clients to a shared pool of storage. Streamline your data storage needs with industryleading solutions that support your most demanding workloads, from edge to core to cloud. 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. 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 networksan white papers san architecture. The changing of zoning every time is tough because it contains the 16 bits of hexadecimal code in common worldwide names wwns networks. Storage area network san is a specialized, highspeed network that provides blocklevel network access to storage. What is storage area network architecture san architecture. Network attached storage nas is a filelevel storage architecture that makes stored data more accessible to networked devices.
To meet the four fundamental design goals, a network must be built on an architecture that allows for both flexibility and growth. A storage area network san is a secure highspeed data transfer network that provides access to consolidated blocklevel storage. Storage area network fundamentals presents the benefits of storage area networks sans to corporate users and enables them to deploy san technology effectively. Ip san an ip san is a storage area network that uses the iscsi protocol to transfer blocklevel data over a network, generally ethernet. Auspex storage architecture guide is designed to help ceos, cios and network administrators understand these architectures and. Storage area network as a networked highspeed enterprise infrastructure nt windows nt. A storage area network san is a dedicated highspeed network or subnetwork that interconnects and presents shared pools of storage devices to multiple servers. Sans are typically composed of hosts, switches, storage elements, and storage devices that are interconnected using a variety of technologies, topologies, and protocols. This is accomplished by partitioning the library into as many as 192 logical libraries up to the number of drives installed, and providing each logical library its own separate and distinct drives, storage slots, and control paths. 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.
Four generations of sans shares of leading companies in the san market gardner 2004. The files in a pdf portfolio can be in a wide range of file types created in different applications. Storage area networking systems and services hpe united kingdom. An san makes a network of storage devices accessible to multiple servers. The exploring san architectures and configurations course is a 2 day instructorled class where you learn how to differentiate between the san architectures in the netapp portfolio.
Enterprise environments we rely primarily on storage area network, with limited networkattached storage for filebased data sharing. Ibm takes an open, standardsbased approach to implement the latest advances in the flat, converged data center network designs of today. The result is the advent of an io architecture wherein the storage devices and highspeed networks are integrated into forming io networks. The module concludes with a discussion of storage system features that are used. For example, a pdf portfolio can include text documents, email messages, spreadsheets, cad drawings, and powerpoint presentations. Monthly cybersecurity newsletters that are published by the enterprise security and risk management office esrmo. Data storage solutions from insight and hpe equip businesses of all sizes with network storage, storage management, allflash storage and more. That means none of the 16 gbps bandwidth of gen 5 fc is wasted on inactive links. Information storage concepts this module introduces disk architecture and storage systems including storage area networks san and network attached storage nas. To properly frame the context in which the cisco mgn 2. What are the benefits of a hierarchal network design. The vmware validated design architecture is based on a number of layers and modules, which allows interchangeable components be part of the end solution or outcome such as the sddc. Strategic design principles should align themselves with an organisations technical service portfolio and reference architecture matrix. The idea behind storage networks is that the scsi cable is replaced by a network that isinstalled in.