SAS Advanced Connectivity Roadmap Frequently Asked Questions

SCSI Trade Association October 2009 Q1. What is the Advanced Connectivity Roadmap? A1. The Advanced Connectivity roadmap is the STA connectivity roadmap to guide the industry through future SAS storage solutions. It specifies the Mini-SAS High Density (HD) (SFF- 8643/8644) connector as the converged connectivity scheme for SAS-based deployments. In addition, it defines SAS Connectivity… Read more »

Continuing Innovation with 6Gb/s SAS Advanced Connectivity

Author: Cameron Brett, Manager, Product Marketing, Enterprise and Storage Division, PMC-Sierra With Contributions by Harry Mason, Director Industry Marketing, LSI Corp. Not standing still, 6Gb/s continues to innovate with the SAS Advanced Connectivity Roadmap. The industry is trending toward large-scale SAS deployments with thousands of drives, multiple levels of SAS expanders, centralized SAS switches (all… Read more »

Advanced SAS Connections Converge at 3.0

Authors: Jay Neer, Advanced Technical Marketing Manager, Industry Standards, Molex With Contributions by Harry Mason, Director, Industry Marketing, LSI Corp. and Susan Bobholz, Product Marketing Manager, Intel Introduction The first article in this series of three articles discusses SAS connectivity and introduced the basic concepts of how SAS devices connect together as well as how… Read more »

The Many Faces of SAS – Beyond the DAS Factor

Author: Greg Schulz, Founder StorageIO Group Serial Attached SCSI (SAS) as a technology, has several meanings similar to the acronym SAS in general, which for IT professionals also refers to the Statistical Analysis Software from the SAS Institute. There is a linkage between SAS as a software package and SAS as a storage technology, particularly… Read more »

How Does SAS Become a Standard?

Authors: Harry Mason, President of STA and Alice Tate, STA Marketing Manager Special thanks to John Lohmeyer, Chair of the T10 Committee and Marty Czekalski, Vice President of STA, for their contributions T10 is a Technical Committee of the InterNational Committee on Information Technology Standards (INCITS, pronounced “insights”) and develops standards so that features and… Read more »

SAS and the Enterprise – is Each Ready for the Other?

Author: Mark Peters, Storage Systems Analyst, and Tony Palmer, Lab Engineer Enterprise Strategy Group Introduction The relative success of new technologies is not a one-way street. Indeed, the history of IT is littered with great developments that never ‘made it’, storage technologies that have had more written about them than on them. 6Gb/s SAS products… Read more »

Serial Attached SCSI Hard Disk Drives – Enterprise Proven

Authors: Paul Vogt, Senior Director of Product Management                Dale Lafferty, Director of Alliances and Partnerships                Xyratex International Introduction There is a technology shift taking place in enterprise storage environments that could help IT departments address some of the constraints the economy… Read more »

The Next Level of Performance in Storage Tiers

Author: Sam Sawyer, Director of Product Marketing Embedded Storage Products Emulex Corporation Introduction One of the hottest topics in storage is the adoption of solid state disks (SSDs) within external storage arrays. Over the last decade, advances in hard disk drive (HDD) capacity have far outpaced the random IOPS capability of HDDs, providing a catalyst… Read more »

Serial Attached SCSI (SAS) Zoning Overview

Author: Tonya Comer, Product Marketing Manager HP Serial Attached SCSI (SAS) incorporates differential signaling, which reduces the effects of capacitance, inductance, and noise experienced by parallel SCSI at higher speeds. SAS links are full duplex (Figure 1); they send and receive information simultaneously, thereby reducing a major source of latency inherent in parallel SCSI. Unlike… Read more »

The Rise of SAS as NextGen Data Storage

Author: Anil Vasudeva, President and Chief Analyst IMEX Research Industry Trends Explosion in the growth of Storage Data The internet has been the catalyst behind the explosive growth of digital information, growing at an annual rate of 60% and estimated to reach 1,800 Exabytes by 2011. Regardless of the state of the economy, the amount… Read more »