1_SAN_Foundations.ppt - EMC Technology Foundations Click to edit Master title style SAN Foundations 2005 EMC Corporation All rights reserved SAN

1_SAN_Foundations.ppt - EMC Technology Foundations Click to...

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© 2005 EMC Corporation. All rights reserved. SAN Foundations - 1 Click to edit Master title style Click to edit Master title style SAN Foundations SAN Foundations EMC Technology Foundations EMC Technology Foundations
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© 2005 EMC Corporation. All rights reserved. SAN Foundations - 2 SAN Foundations Upon completion of this module, you will be able to: Provide an overview of Fibre Channel and IP SANs Define a Storage Area Network (SAN) List the features and benefits of implementing a SAN Provide an overview of the underlying protocols used within a SAN Discuss issues to consider when designing a SAN State the distinct characteristics of commonly deployed fabric topologies Explain the basic operational details of Inter-Switch Links (ISL) List performance and security related features relevant to a SAN List the major product categories within the EMC Connectrix family State the features and benefits of the EMC Connectrix family List the various software options for managing Fabric components Identify Connectrix component types to be used, when designing a SAN
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© 2005 EMC Corporation. All rights reserved. SAN Foundations - 3 SAN Foundations Storage Connectivity: Overview
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© 2005 EMC Corporation. All rights reserved. SAN Foundations - 4 SAN Connectivity Methods There are three basic methods of communication using Fibre Channel infrastructure Point to point (P-to-P) A direct connection between two devices Fibre Channel Arbitrated Loop (FC-AL) A daisy chain connecting two or more devices Fabric connect (FC-SW) Multiple devices connected via switching technologies
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© 2005 EMC Corporation. All rights reserved. SAN Foundations - 5 FC SAN: What is a Fabric? Logically defined space used by FC nodes to communicate with each other One switch or group of switches connected together Routes traffic between attached devices Component identifiers: Domain ID Unique identifier for an FC switch within a fabric Worldwide Name (WWN) Unique 64-bit identifier for an FC port (either a host port or a storage port) Host SWITC H Login Servic e Name Servic e Fabric Array Application O/S File System
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SAN Foundations - 6 What Does a SAN Do?
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© 2005 EMC Corporation. All rights reserved. SAN Foundations - 7 Legacy Storage Connectivity: DAS DAS (Direct-Attached Storage) is the legacy architecture for host-to- storage connectivity Dedicated physical channel
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