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	PartnerWorld > Products > Systems, servers, and storage > Technical >

Storage best practices: SAS 9 with IBM System Storage and IBM Power Systems – Considerations for optimal storage layout

by Harry Seifert, Frank Bartucca,Vishwanathan Krishnamurthy, Frank Battaglia

Last updated: 2011-03-23

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© Copyright IBM Corporation, 2008. All Rights Reserved.
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Abstract

This paper gives an overview of SAS specific I/O characteristics and provides IBM System Storage recommendations. The recommendations are specific to SAS 9 on IBM AIX with members of the IBM System Storage DS series, IBM System Storage SAN Volume Controller, and IBM XIV Storage System.

Introduction

Repeatedly IBM® and SAS have successfully teamed for sizing efforts, reference architectures,and customer opportunities. The combined SAS and IBM teams recognized the customer needs to better understand SAS specific I/O characteristics and the related optimal physical and logical IBM System Storage® configurations. This paper gives an overview of SAS specific I/O characteristics and provides IBM System Storage recommendations. The recommendations are specific to SAS 9 on IBM AIX® with members of the IBM System Storage DS® series, IBM System Storage SAN Volume Controller, and IBM XIV® Storage System as noted in the paper.

“SAS is a leader in data mining, predictive technologies and analytic applications.”1 SAS has many product solutions. This paper gives a high-level SAS solution overview but does not attempt to describe I/O characteristics of each solution in detail. Rather, this paper attempts to provide guidance with the identification of SAS I/O characteristics. Some SAS solutions and their specific I/O characteristics with IBM System Storage are used as examples. This paper does not describe installation steps for SAS or for the IBM OS or hardware.