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DFSMS: From Storage Tears to Storage Tiers

An IBM Redpaper publication

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Published on 06 June 2016

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ISBN-10: 0738455377
ISBN-13: 9780738455372
IBM Form #: REDP-5341-00


Authors: Keith Winnard, Jose Gilberto Biondo Jr and Glenn Wilcock

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Abstract

This IBM® Redpaper™ publication describes how class transitions differ from the classic migration processes and how they can influence application performance levels.

Performance is focused on the following goals:

  • Reduce the number of I/Os required to manage the storage

  • Optimize data locations to the appropriate device type during its lifecycle

This paper applies to the IBM z/OS® V2.2 level.

Table of Contents

Understanding the challenges

Classic migration and recall versus class transition

Implementing and using class transition

Scenarios

 

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