Hank Sautter's Books

Solid-State Drive Caching in the IBM XIV Storage System

By: Bertrand Dufrasne,In Kyu Park,Francesco Perillo,Hank Sautter,Stephen Solewin,Anthony Vattathil,IBM Redbooks

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Solid-State Drive Caching in the IBM XIV Storage System

By: Bertrand Dufrasne,In Kyu Park,Francesco Perillo,Hank Sautter,Stephen Solewin,Anthony Vattathil,IBM Redbooks

This IBM® RedpaperTM publication provides information about the implementation and use of solid-state drives (SSDs) in IBM XIV® Storage System XIV Generation 3 (Gen3), running XIV software version 11.1.0 or later. In the XIV system, SSDs are used to increase the read cache capacity of the existing DRAM memory cache, and are not used for persistent storage. This paper begins with a high-level overview of the SSD implementation in XIV and a brief review of the SSD technology, with focus on the XIV system. It explains the SSD Caching design and implementation in XIV. Then it examines typical workloads that can benefit from the SSD Caching extension and introduces the tools and utilities to help you analyze and understand the workload. In particular, it highlights the block tracing facility that was designed and developed by IBM Research. Then this paper explains the process that authorized IBM services representatives use to install SSD Caching. It reviews the changes made to the XIV GUI and the XCLI to support SSD Caching. Finally this paper provides a listing of the new alert-generating events and monitoring options that are provided for SSD support. This paper is intended for users who want an insight into the XIV SSD Caching implementation and architecture, its capabilities, and usage. For more information about the IBM XIV Storage System, see the IBM Redbooks® publication, "IBM XIV Storage System: Architecture, Implementation, and Usage," SG24-7659.

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IBM Redbooks

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ISBN 10

0738450766

ISBN 13

9780738450766

IBM XIV Storage System: IBM Hyper-Scale Mobility Overview and Usage

By: Bertrand Dufrasne,Christian Burns,Guenter Rebmann,Hank Sautter,Jim Sedgwick,IBM Redbooks

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IBM XIV Storage System: IBM Hyper-Scale Mobility Overview and Usage

By: Bertrand Dufrasne,Christian Burns,Guenter Rebmann,Hank Sautter,Jim Sedgwick,IBM Redbooks

IBM® Hyper-Scale introduces two major new technologies, both implemented in the IBM XIV® Storage System (Gen3 models): The first is IBM Hyper-Scale Manager, a flexible, consolidated multi-system management application that was originally released in October 2012 as "Multi-System Manager". IBM Hyper-Scale Manager is based on and seamlessly integrated with the XIV GUI and spans multiple XIV systems. The second new technology, IBM Hyper-Scale Mobility, is the topic of this publication. It is a powerful function for moving volumes between storage containers transparently, with no disruption to host applications. IBM Hyper-Scale helps you easily overcome provisioning scenarios that normally challenge traditional systems. IBM Hyper-Scale can accommodate several critical customer scenarios for data mobility, load balancing, over-provisioning, and storage system repurposing. This IBM RedpaperTM publication provides a broad understanding of the IBM Hyper-Scale Mobility feature. The paper describes the IBM Hyper-Scale architecture and includes detailed step by step scenarios that illustrate the online volume migration process, both from the XIV GUI and the XIV Command-Line Interface (XCLI). This publication is intended for XIV customers and users who want a practical understanding of IBM Hyper-Scale Mobility concepts and usage.

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IBM Redbooks

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ISBN 10

0738451037

ISBN 13

9780738451039

IBM XIV Storage System Thin Provisioning and Space Reclamation

By: Bertrand Dufrasne,Christian Burns,Guenter Rebmann,Hank Sautter,Jim Sedgwick,IBM Redbooks

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IBM XIV Storage System Thin Provisioning and Space Reclamation

By: Bertrand Dufrasne,Christian Burns,Guenter Rebmann,Hank Sautter,Jim Sedgwick,IBM Redbooks

Thin provisioning is the practice of passing logical unit number (LUN) sizes up to application servers without actually reserving the total physical capacity of those LUNs for data storage. Thin provisioning is a popular feature of IBM® XIV® Storage System. Data space reclamation helps you enjoy the benefits of thin provisioning. Space reclamation is a storage system function to reclaim a specific amount of disk space for general purpose use after being notified by the file system that the disk space was deleted at the host level. Because XIV thin provisioning and support for space reclamation are so tightly related, this IBM® RedpaperTM publication explores both concepts in detail. This publication is intended for system and storage administrators who want to take advantage of the XIV functionality in thin-provisioned environments, coupled with the latest space reclamation enhancements.

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IBM Redbooks

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0738451010

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9780738451015

Book's by Hank Sautter

Solid-State Drive Caching in the IBM XIV Storage System

Solid-State Drive Caching in the IBM XIV Storage System

IBM XIV Storage System: IBM Hyper-Scale Mobility Overview and Usage

IBM XIV Storage System: IBM Hyper-Scale Mobility Overview and Usage

IBM XIV Storage System Thin Provisioning and Space Reclamation

IBM XIV Storage System Thin Provisioning and Space Reclamation

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