Serial Attached SCSI (SAS)

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Provider:

David Zimny - click to view profile

Description:

This course covers the architecture and components of SAS. The course provides an introductory module showing why serial protocols are required for true high speed communications and discusses the equipment necessary to test, validate and troubleshoot SAS. This course investigates the function and interaction of each SAS protocol layer, illustrating how SAS addresses the issues interference suppression, initialization techniques, resets, encoding methods, speed negotiation and clock skew management. The introduction of SAS expanders, multiplexing techniques and zoning demonstrate how SAS enhances scalability and improves performance. Through STP, SAS interoperation with existing SATA storage environments is explored. Demonstrations with SAS analyzer software are used throughout the course to illustrate the behavior and performance of SAS Course Objectives: As a result of attending this course, you will be able to: •Describe the architecture of SAS and its components •Explain the operation of serial protocols and frame based transmission methods •Compare and contrast the features and benefits of SAS with SCSI, SATA, ATA and Fibre Channel architectures •Be aware how of the concepts of ports, connections, data paths and links are used in SAS architectures •Discuss SAS transmitter and receiver characteristics, jitter tolerance and cable and connector options •Investigate the role of expanders, expander types, their operation and routing and arbitration methods used in SAS and SATA environments •Examine in detail the function and interaction of all SAS protocol layers including initialization procedures, management services, error handling, flow control and physical layer encoding methods •Explore in depth the use of SAS specific primitives, addressing schemes, speed negotiation and Phy reset sequences •Develop an understanding of the operation of SMP, SSP, STP protocols in SAS and SATA applications •Acquire testing and troubleshooting skills with a serial protocol analyzer Course Prerequisites: This course is intended for hardware, software and validation engineers who are involved with designing, troubleshooting and validating SAS based products. Additionally, the course is beneficial to managers, systems engineers and technicians who are responsible for integration of SAS devices. Attendees are expected to have a good understanding of serial communications techniques and storage network methodologies.

Presentations:

269 Module 00: Course Introduction 269 Module 01: Testing Equipment Issues and Equipment Options 269 Module 02: SAS Defined 269 Module 03: SAS Devices and Connections 269 Module 04: State Machines, Expander Operation and Zoning 269 Module 05: SAS Physical Layer 269 Module 06: SAS Physical Layer 269 Module 07: Link Layer Protocols 269 Module 08: Link layer- Connections, Identification and Resets 269 Module 09: Link layer- Arbitration and Rate Matching 269 Module 10: SSP, SMP, STP at the Link Layer 269 Module 11: STP at the Link Layer 269 Module 12: STP,SMPTransport and Application Layers 269 Module 13: Course Summary and Evaluation

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