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storage area network pdf

Curso de MS-Excel 365 – Módulo Intensivo
13 de novembro de 2020

storage area network pdf

PDF | This chapter identifies characteristics, architectural concepts, technologies, applications, and marketplace of storage area networks (SANs). Homogeneous high-cost SANs were, developed. Inevitably, the gains that SANs provide are accompanied by some pain. Brocade Communication Systems, Inc. (see the SAN, Info Center) (2003). The chapter contains a detailed description of recent innovations in IP-based SANs: IP storage technologies, SANs over IP, fibre channel over IP, Internet fibre channel protocol, Internet SCSI, storage over IP, fabric shortest path first protocol, storage resource management, and adaptive network storage architecture. All rights reserved. Given the lead time required for hard copy publishing, it is impossible to capture this very useful but granular information. Other examples (Ottem, 2001) include stor-, age service providers that must deliver block data from, to users at the highest possible speeds and e-commerce, companies that have to minimize transaction times. The reduction of the I/O-related, interrupts increases the CPUs’ time for processing vari-, ous other system tasks. Retrieved March 13, 2003, from. terprise Management (WBEM) XML-based technologies. Storage area network essentials : a complete guide to understanding and implementing SANS / Richard Barker, Paul Massiglia. Your data flow is only as fast as your network connectivity allows. ���r�BDoc#�����_��:�/5�X���+��p� Enterprises have be-, come more dependent on their online systems and cannot, ensure the availability of these data by relying only on tra-, ditional, network-bottlenecked, server-attached storage, systems. Search for: LECTURE NOTES. A mismatch in data communication rates, fabric generates various flow control issues that can be. The Crossroads’ storage routers, tween storage devices and multiprotocol servers on fibre, Brocade Communication Systems, Inc., has developed, an intelligent fabric services architecture that creates a, scalable and secure environment for enterprise mission-, critical storage applications such as data backup and busi-, of fabric switches and software) provide enterprises with, any-server-to-any-storage-device connectivity and consol-, idate storage resources and servers, as well as sharing. DAFS/VIA technol-, ogy supports direct file transferring between the storage, system and clients. Information storage and retrieval systems. As a non-, profit organization, NSIC supports precompetitive joint, research projects, involving collaboration among users, and integrators of storage systems, storage system and de-, vice manufacturers, storage component and media manu-, facturers, suppliers, universities and national laboratories. SAN is a network which is designed to attach computer storage devices such as disk array controllers and tape libraries to servers. Company operations are significantly improved by, providing continuous high availability through uninter-, ruptible access to data, increasing scalability through, multiple-channel data transmission, and reducing the net-, work and server’s CPU overhead. It can be viewed. significantly reduced by SANs. If the NAS elements are connected to SANs, they, can be considered as members of the SAN-attached stor-, age (SAS) system. In this paper, we will address the testing challenges listed above with an LRU-centric approach. coalitions, vendors, and service providers. SANs are typically composed of hosts, switches, storage elements, and storage devices that are interconnected using a variety of technologies, topologies, and protocols. IP SANS: An introduction to iSCSI, iFCP, Fibre channel fabrics have. storage area network (SAN): A storage-area network (SAN) is a dedicated high-speed network (or subnetwork ) that interconnects and presents shared pools of storage devices to multiple servers . SAN network can be accessed by multiple computers. Barker, R., & Massiglia, P. (2001). UNIT 3 Unit 3. Retrieved March 13, 2003, from, EMC Corporation (2003). Retrieved March 13, 2003 from http://www.san.com/ To concentrate mostly on the students' hands-on training, the " flipped classroom " pedagogy and individual or team tutoring were used in the online classes. Retrieved Third generation SANs: Open 2 Gb fabric (White Paper WP-2G0801) Gadzoox Networks, Inc. Retrieved Storage area networking, LSI Logic Storage Systems, Inc. (2003). See the chapter on fibre channels for, more information about various implementations of the, technology in various network configurations, including, Because of the high cost of the FC interconnect com-, ponents and separation of storage and servers at the wide, area network scale (resulting in slow capabilities of W, SANs with fibre channel), alternatives to FC technologies, Massiglia, 2001, p. 187) employs TCP/IP as a storage inter-, work topologies. While some of these technical initiatives are presented in my second book, IP SANs, A Guide to iSCSI, iFCP and FCIP Protocols for Storage Area Networks, this text provides more focus on the practical considerations implementers should consider in designing SAN solutions with today's diverse technologies. March 13, 2003 from http://www.nsic.org/ Retrieved March 13, 2003 from http://www.procom.com/, Retrieved Storage networking essentials: A complete guide to understanding & implementing SANs. these approaches will dominate in the future. Cables 3. The review describes methods of storing large amounts of information, backing up data in e-commerce, online transaction processing, electronic vaulting, data warehousing, data mining, multimedia Internet/intranet browsing, multimedia audio/video editing, HDTV streaming, and enterprise database managing applications. and FCIP protocols for storage area networks. This chapter covers the theoretical capabilities of storage virtualization as well as the more limited functions currently available in shipping products. (HBAs), which consist of hardware and interface drivers. Storage-area network storage is in a period of major change -- it's getting much easier. For this reason, SANs are well, suited to high-bandwidth storage access by transaction-, processing and DBMS applications that manage storage, access by themselves. Us-, ing the principles of Java and Jini platform-independent, application development interfaces (Jini, 2003), Jiro tech-, nology provides the architecture for connecting and man-, aging complex distributed environments such as storage, area networks. Retrieved March 13, 2003, from. In the SAN environment, data can be. �x6�� )kdP��5׏���n2����3����/ը��^���\z���Y��S���! A SAN allows a machine to connect to remote targets such as disks and tape drives on a network for block level I/O. storage resources. Networked-based systems with SAN installations, that both SAN and NAS implementations are accelerat-, ing, as SANs have grown 70% year over year, expected to continue during the next 5 years. application service, even if the enterprise systems, (logical/virtual disk-like storage entities that, is a new emerging interconnect technology, Common Internet file system, also known as the, Common information model; an object-oriented, Dense wavelength division multiplexing; a, Fibre channel-arbitrated loop transport proto-. The most common SAN fabrics, are switched fibre channel, switched SCSI, and switched, SSA, all of which physically link the interconnects and, determine the SAN’s performance and scalability, fabrics embed operating systems that provide for SAN, nected to the fibre channel SAN through host bus adapters. If you have a more demanding SAN environment, the Dell/EMC CX400 is a versatile, rack-dense midrange 2Gb fibre channel storage array offering up to 13.4TB of storage capacity and the highest bandwidth in its product class. Requirements of scalability, and new functionality had transformed SANs into fabric-, based switching systems. ADVA optical storage networking technologies (2003). Institutions and enterprises have been implementing SANs for a wide variety of applications. While the current market penetration of SAN-based solutions is only 20% of the total storage market, SANs are expected to capture the majority of the market within a few years.The emergence of storage networking represents the fusion of two distinct technologies, each with its own priorities, vocabulary and culture. tively used in e-commerce, online transaction processing, and other Web applications, which handle a high volume, SAN methodology has its roots in two low-cost tech-, nologies: SCSI-based storage and the NAS-based con-, cept. Applications are fostering SAN deployment, and applications are as varied as the core requirements of diverse institutions and enterprises. �eo`���N�ZW?�{Py�����bP��;i^,�Չ�T��/�{ͨ���ʌE�%)nV�B�#t���;����_��/�zsuq��t� Today, the vast majority of vendors selling SAN solutions are planning to provide both Fibre Channel and IP-based products to accommodate their customers' requirements.The people who have direct responsibility for designing and implementing SANs desperately need more detailed information on product capabilities and interoperability, i.e., what version of a particular backup application works with a specific database or operating system level.

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