Block Storage Migration In Open Environments

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Block Storage Migration in Open Environments

Author : Francesco Anderloni,Matthew DiVito,Bert Dufrasne,Roger Eriksson,Christopher Moore,Markus Oscheka,Duncan Simpson,Stephen Solewin,IBM Redbooks
Publisher : IBM Redbooks
Page : 226 pages
File Size : 43,6 Mb
Release : 2020-04-16
Category : Computers
ISBN : 9780738458700

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Block Storage Migration in Open Environments by Francesco Anderloni,Matthew DiVito,Bert Dufrasne,Roger Eriksson,Christopher Moore,Markus Oscheka,Duncan Simpson,Stephen Solewin,IBM Redbooks Pdf

Companies need to migrate data not only when technology needs to be replaced, but also for consolidation, load balancing, and disaster recovery (DR). Data migration is a critical operation, and this book explains the phases and steps to ensure a smooth migration. Topics range from planning and preparation to execution and validation. The book explains, from a generic standpoint, the appliance-based, storage-based, and host-based techniques that can be used to accomplish the migration. Each method is explained through practical migration scenarios and for various operating systems. This publication addresses the aspects of data migration efforts while focusing on fixed block storage systems in open environment with the IBM® FlashSystem 9100 as the target system. Therefore, the book also emphasizes various migration techniques using the Spectrum Virtualize built-in functions. This document targets storage administrators, storage network administrators, system designers, architects, and IT professionals who design, administer or plan data migrations in large data Centers. The aim is to ensure that you are aware of the current thinking, methods, and products that IBM can make available to you. These items are provided to ensure a data migration process that is as efficient and problem-free as possible. The material presented in this book was developed with versions of the referenced products as of February, 2020.

Block Storage Migration in Open Environments

Author : Francesco Anderloni,Matthew DiVito,Bert Dufrasne,Roger Eriksson,Christopher Moore,Markus Oscheka,Duncan Simpson,Stephen Solewin
Publisher : Unknown
Page : 224 pages
File Size : 41,6 Mb
Release : 2020
Category : Computer storage devices
ISBN : OCLC:1192538017

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Block Storage Migration in Open Environments by Francesco Anderloni,Matthew DiVito,Bert Dufrasne,Roger Eriksson,Christopher Moore,Markus Oscheka,Duncan Simpson,Stephen Solewin Pdf

Companies need to migrate data not only when technology needs to be replaced, but also for consolidation, load balancing, and disaster recovery (DR). Data migration is a critical operation, and this book explains the phases and steps to ensure a smooth migration. Topics range from planning and preparation to execution and validation. The book explains, from a generic standpoint, the appliance-based, storage-based, and host-based techniques that can be used to accomplish the migration. Each method is explained through practical migration scenarios and for various operating systems. This publication addresses the aspects of data migration efforts while focusing on fixed block storage systems in open environment with the IBM® FlashSystem 9100 as the target system. Therefore, the book also emphasizes various migration techniques using the Spectrum Virtualize built-in functions. This document targets storage administrators, storage network administrators, system designers, architects, and IT professionals who design, administer or plan data migrations in large data Centers. The aim is to ensure that you are aware of the current thinking, methods, and products that IBM can make available to you. These items are provided to ensure a data migration process that is as efficient and problem-free as possible. The material presented in this book was developed with versions of the referenced products as of February, 2020.

Implementing the IBM FlashSystem 5010 and FlashSystem 5030 with IBM Spectrum Virtualize V8.3.1

Author : Jack Armstrong,Tiago Bastos,Pawel Brodacki,Markus Döllinger,Jon Herd,Sergey Kubin,Carsten Larsen,Hartmut Lonzer,Jon Tate,IBM Redbooks
Publisher : IBM Redbooks
Page : 882 pages
File Size : 55,7 Mb
Release : 2020-10-28
Category : Computers
ISBN : 9780738459080

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Implementing the IBM FlashSystem 5010 and FlashSystem 5030 with IBM Spectrum Virtualize V8.3.1 by Jack Armstrong,Tiago Bastos,Pawel Brodacki,Markus Döllinger,Jon Herd,Sergey Kubin,Carsten Larsen,Hartmut Lonzer,Jon Tate,IBM Redbooks Pdf

Organizations of all sizes face the challenge of managing massive volumes of increasingly valuable data. But storing this data can be costly, and extracting value from the data is becoming more difficult. IT organizations have limited resources, but must stay responsive to dynamic environments and act quickly to consolidate, simplify, and optimize their IT infrastructures. IBM® FlashSystem 5010 and FlashSystem 5030 systems provide a smarter solution that is affordable, easy to use, and self-optimizing, which enables organizations to overcome these storage challenges. The IBM FlashSystem® 5010 and FlashSystem 5030 deliver efficient, entry-level configurations that are designed to meet the needs of small and midsize businesses. Designed to provide organizations with the ability to consolidate and share data at an affordable price, the system offers advanced software capabilities that are found in more expensive systems. This IBM Redbooks® publication is intended for pre-sales and post-sales technical support professionals and storage administrators. It applies to the IBM FlashSystem 5010 and FlashSystem 5030 and IBM Spectrum® Virtualize V8.3.1. This edition applies to IBM Spectrum Virtualize V8.3.1 and the associated hardware and software detailed within. Screen captures that are included within this book might differ from the generally available (GA) version because parts of this book were written with pre-GA code. On February 11, 2020, IBM announced that it was simplifying its portfolio. This book was written by using previous models of the product line before the simplification; however, most of the general principles apply. If you are in any doubt as to their applicability, work with your local IBM representative.

Using the IBM Block Storage CSI Driver in a Red Hat OpenShift Environment

Author : Detlef Helmbrecht,Simon Casey,Mathias Defiebre,Bert Dufrasne,Michael Schaefer,Harald Seipp,Ralf Wohlfarth,IBM Redbooks
Publisher : IBM Redbooks
Page : 152 pages
File Size : 45,9 Mb
Release : 2021-05-12
Category : Computers
ISBN : 9780738459677

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Using the IBM Block Storage CSI Driver in a Red Hat OpenShift Environment by Detlef Helmbrecht,Simon Casey,Mathias Defiebre,Bert Dufrasne,Michael Schaefer,Harald Seipp,Ralf Wohlfarth,IBM Redbooks Pdf

RedHat OpenShift container platform is one of the leading enterprise-grade container orchestration platforms. It is designed for rapid deployment of web applications, databases, and microservices. Categorized as a container orchestration Platform as a Service (PaaS), it is based on open industry standards, such as the Container Runtime Interface - Open (CRI-O) and Kubernetes. OpenShift allow developers to focus on the code, while the platform manages the complex IT operations and processes. Although open-source, community-driven container orchestration platforms are available, such as OKD and Kubernetes, this IBM® Redpaper® publication focuses on Red Hat OpenShift. It describes the basic concepts of OpenShift persistent storage architecture and its integration into IBM Cloud® Paks. The deployment of the IBM block storage CSI driver also is discussed. This publication also describes the concepts, technology and current working practices for installing the Container Storage Interface (CSI) plug-in for Kubernetes to use IBM Enterprise Storage platforms for persistent storage coupled with Red Hat OpenShift Container Platform (OCP). This publication also provides an overview of containers, Kubernetes, and Openshift for context (it is expected that the reader has a working knowledge of these underlying technologies). It also includes architectural examples of the orchestration platform will be given. This paper serves as a guide about how to deploy the CSI driver for block storage by using the DS8000® and Spectrum Virtualize platforms as persistent storage in a Red Hat OpenShift platform. The publication is intended for storage administrators, IT architects, OpenShift technical specialists and anyone who wants to integrate IBM Enterprise storage on OpenShift V4.3/4.4/4.5 on IBM Power, IBM Z®, and x86 systems.

Implementing or Migrating to an IBM Gen 5 b-type SAN

Author : Mirza Baig,Liam Dowds,Silviano Gaona,Paulo Neto,Gaston Rius,Megan Gilge,IBM Redbooks
Publisher : IBM Redbooks
Page : 352 pages
File Size : 48,8 Mb
Release : 2016-08-05
Category : Computers
ISBN : 9780738441825

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Implementing or Migrating to an IBM Gen 5 b-type SAN by Mirza Baig,Liam Dowds,Silviano Gaona,Paulo Neto,Gaston Rius,Megan Gilge,IBM Redbooks Pdf

The IBM® b-type Gen 5 Fibre Channel directors and switches provide reliable, scalable, and secure high-performance foundations for high-density server virtualization, cloud architectures, and next generation flash and SSD storage. They are designed to meet the demands of highly virtualized private cloud storage and data center environments. This IBM Redbooks® publication helps administrators learn how to implement or migrate to an IBM Gen 5 b-type SAN. It provides an overview of the key hardware and software products and explains how to install, monitor, tune, and troubleshoot your storage area network (SAN). Read this publication to learn about fabric design, managing and monitoring your network, key tools such as IBM Network Advisor and Fabric Vision, and troubleshooting.

IBM Software-Defined Storage Guide

Author : Larry Coyne,Joe Dain,Eric Forestier,Patrizia Guaitani,Robert Haas,Christopher D. Maestas,Antoine Maille,Tony Pearson,Brian Sherman,Christopher Vollmar,IBM Redbooks
Publisher : IBM Redbooks
Page : 158 pages
File Size : 49,9 Mb
Release : 2018-07-21
Category : Computers
ISBN : 9780738457055

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IBM Software-Defined Storage Guide by Larry Coyne,Joe Dain,Eric Forestier,Patrizia Guaitani,Robert Haas,Christopher D. Maestas,Antoine Maille,Tony Pearson,Brian Sherman,Christopher Vollmar,IBM Redbooks Pdf

Today, new business models in the marketplace coexist with traditional ones and their well-established IT architectures. They generate new business needs and new IT requirements that can only be satisfied by new service models and new technological approaches. These changes are reshaping traditional IT concepts. Cloud in its three main variants (Public, Hybrid, and Private) represents the major and most viable answer to those IT requirements, and software-defined infrastructure (SDI) is its major technological enabler. IBM® technology, with its rich and complete set of storage hardware and software products, supports SDI both in an open standard framework and in other vendors' environments. IBM services are able to deliver solutions to the customers with their extensive knowledge of the topic and the experiences gained in partnership with clients. This IBM RedpaperTM publication focuses on software-defined storage (SDS) and IBM Storage Systems product offerings for software-defined environments (SDEs). It also provides use case examples across various industries that cover different client needs, proposed solutions, and results. This paper can help you to understand current organizational capabilities and challenges, and to identify specific business objectives to be achieved by implementing an SDS solution in your enterprise.

DS8870 Data Migration Techniques

Author : Bertrand Dufrasne,Alexander Warmuth,Joachim Appel,Werner Bauer,Susan Douglass,Peter Klee,Miroslaw Pura,Mark Wells,Bjoern Wesselbaum,IBM Redbooks
Publisher : IBM Redbooks
Page : 330 pages
File Size : 54,9 Mb
Release : 2017-11-16
Category : Computers
ISBN : 9780738440606

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DS8870 Data Migration Techniques by Bertrand Dufrasne,Alexander Warmuth,Joachim Appel,Werner Bauer,Susan Douglass,Peter Klee,Miroslaw Pura,Mark Wells,Bjoern Wesselbaum,IBM Redbooks Pdf

This IBM® Redbooks® publication describes data migrations between IBM DS8000® storage systems, where in most cases one or more older DS8000 models are being replaced by the newer DS8870 model. Most of the migration methods are based on the DS8000 Copy Services. The book includes considerations for solutions such as IBM Tivoli® Productivity Center for Replication and the IBM Geographically Dispersed Parallel SysplexTM (GDPS®) used in IBM z/OS® environments. Both offerings are primarily designed to enable a disaster recovery using DS8000 Copy Services. In most data migration cases, Tivoli Productivity Center for Replication or GDPS will not directly provide functions for the data migration itself. However, this book explains how to bring the new migrated environment back into the control of GDPS or Tivoli Productivity Center for Replication. In addition to the Copy Services based migrations, the book also covers host-based mirroring techniques, using IBM Transparent Data Migration Facility (TDMF®) for z/OS and the z/OS Dataset Mobility Facility (zDMF).

Regain Control of your Environment with IBM Storage Insights

Author : Hasan Abdullah Hashmi,Gaston Rius,Megan Gilge,IBM Redbooks
Publisher : IBM Redbooks
Page : 60 pages
File Size : 52,8 Mb
Release : 2017-03-04
Category : Computers
ISBN : 9780738454375

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Regain Control of your Environment with IBM Storage Insights by Hasan Abdullah Hashmi,Gaston Rius,Megan Gilge,IBM Redbooks Pdf

This IBM® RedpaperTM publication introduces you to the new, cloud-based IBM Spectrum ControlTM Storage Insights (IBM Storage Insights, for short) offering, which is designed for small and medium businesses and organizations who need to quickly understand what is happening in their storage environment without implementing complex tools. IBM Storage Insights can be set up in less than 5 minutes and provides actionable insights about your storage in less than 30 minutes. IBM Storage Insights is an off-premise software as a service (SaaS) offering that is offered through the IBM Service Engage website. This simple, graphical tool has built-in reports to help you rapidly understand what is happening in your environment and provides recommendations about how you can maximize the benefits of your storage and improve your decision-making process. This publication is designed to help storage administrators learn about benefits, features, and key implementation scenarios. The retention period for daily performance data was updated in February 2017. IBM Marketplace links were added in March 2017.

Implementing the IBM System Storage SAN Volume Controller with IBM Spectrum Virtualize Version 8.4

Author : Corne Lottering,Denis Olshanskiy,Jackson Shea,Jordan Fincher,Hartmut Lonzer,Ibrahim Alade Rufai,Katja Kratt,Konrad Trojok,Leandro Torolho,Pawel Brodacki,Rodrigo Jungi Suzuki,Sergey Kubin,Sidney Varoni Junior,Tiago Bastos,Vasfi Gucer,IBM Redbooks
Publisher : IBM Redbooks
Page : 946 pages
File Size : 42,7 Mb
Release : 2021-08-06
Category : Computers
ISBN : 9780738459370

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Implementing the IBM System Storage SAN Volume Controller with IBM Spectrum Virtualize Version 8.4 by Corne Lottering,Denis Olshanskiy,Jackson Shea,Jordan Fincher,Hartmut Lonzer,Ibrahim Alade Rufai,Katja Kratt,Konrad Trojok,Leandro Torolho,Pawel Brodacki,Rodrigo Jungi Suzuki,Sergey Kubin,Sidney Varoni Junior,Tiago Bastos,Vasfi Gucer,IBM Redbooks Pdf

Continuing its commitment to developing and delivering industry-leading storage technologies, IBM® introduces the IBM FlashSystem® solution that is powered by IBM Spectrum® Virtualize V8.4. This innovative storage offering delivers essential storage efficiency technologies and exceptional ease of use and performance, all integrated into a compact, modular design that is offered at a competitive, midrange price. The solution incorporates some of the top IBM technologies that are typically found only in enterprise-class storage systems, which raises the standard for storage efficiency in midrange disk systems. This cutting-edge storage system extends the comprehensive storage portfolio from IBM and can help change the way organizations address the ongoing information explosion. This IBM Redbooks® publication introduces the features and functions of an IBM Spectrum Virtualize V8.4 system through several examples. This book is aimed at pre-sales and post-sales technical support and marketing and storage administrators. It helps you understand the architecture, how to implement it, and how to take advantage of its industry-leading functions and features.

Using the IBM Block Storage CSI Driver in a Red Hat OpenShift Environment

Author : Detlef Helmbrecht,Simon Casey,Mathias Defiebre,Bertrand Dufrasne,Michael Schaefer,Harald Seipp,Ralf Wohlfarth
Publisher : Unknown
Page : 0 pages
File Size : 47,5 Mb
Release : 2021
Category : Electronic
ISBN : OCLC:1251848153

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Using the IBM Block Storage CSI Driver in a Red Hat OpenShift Environment by Detlef Helmbrecht,Simon Casey,Mathias Defiebre,Bertrand Dufrasne,Michael Schaefer,Harald Seipp,Ralf Wohlfarth Pdf

RedHat OpenShift container platform is one of the leading enterprise-grade container orchestration platforms. It is designed for rapid deployment of web applications, databases, and microservices. Categorized as a container orchestration Platform as a Service (PaaS), it is based on open industry standards, such as the Container Runtime Interface - Open (CRI-O) and Kubernetes. OpenShift allow developers to focus on the code, while the platform manages the complex IT operations and processes. Although open-source, community-driven container orchestration platforms are available, such as OKD and Kubernetes, this IBM® Redpaper® publication focuses on Red Hat OpenShift. It describes the basic concepts of OpenShift persistent storage architecture and its integration into IBM Cloud® Paks. The deployment of the IBM block storage CSI driver also is discussed. This publication also describes the concepts, technology and current working practices for installing the Container Storage Interface (CSI) plug-in for Kubernetes to use IBM Enterprise Storage platforms for persistent storage coupled with Red Hat OpenShift Container Platform (OCP). This publication also provides an overview of containers, Kubernetes, and Openshift for context (it is expected that the reader has a working knowledge of these underlying technologies). It also includes architectural examples of the orchestration platform will be given. This paper serves as a guide about how to deploy the CSI driver for block storage by using the DS8000® and Spectrum Virtualize platforms as persistent storage in a Red Hat OpenShift platform. The publication is intended for storage administrators, IT architects, OpenShift technical specialists and anyone who wants to integrate IBM Enterprise storage on OpenShift V4.3/4.4/4.5 on IBM Power, IBM Z®, and x86 systems.

IBM SAN Volume Controller 2145-DH8 Introduction and Implementation

Author : Jon Tate,Andrew Beattie,Christian Burns,Torben Jensen,Libor Miklas,IBM Redbooks
Publisher : IBM Redbooks
Page : 374 pages
File Size : 40,9 Mb
Release : 2015-01-22
Category : Computers
ISBN : 9780738440071

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IBM SAN Volume Controller 2145-DH8 Introduction and Implementation by Jon Tate,Andrew Beattie,Christian Burns,Torben Jensen,Libor Miklas,IBM Redbooks Pdf

Data is the new currency of business, the most critical asset of the modern organization. In fact, enterprises that can gain business insights from their data are twice as likely to outperform their competitors; yet, 72 percent of them have not started or are only planning big data activities. In addition, organizations often spend too much money and time managing where their data is stored. The average firm purchases 24% more storage every year, but uses less than half of the capacity it already has. A member of the IBM® Storwize® family, IBM SAN Volume Controller (SVC) Data Platform is a storage virtualization system that enables a single point of control for storage resources to help support improved business application availability and greater resource utilization. The objective is to manage storage resources in your IT infrastructure and to make sure they are used to the advantage of your business, and do it quickly, efficiently, and in real time, while avoiding increases in administrative costs. Virtualizing storage with SVC Data Platform helps make new and existing storage more effective. SVC Data Platform includes many functions traditionally deployed separately in disk systems. By including these in a virtualization system, SVC Data Platform standardizes functions across virtualized storage for greater flexibility and potentially lower costs. SVC Data Platform functions benefit all virtualized storage. For example, IBM Easy Tier® optimizes use of flash storage. And IBM Real-time CompressionTM enhances efficiency even further by enabling the storage of up to five times as much active primary data in the same physical disk space. Finally, high-performance thin provisioning helps automate provisioning. These benefits can help extend the useful life of existing storage assets, reducing costs. Integrating these functions into SVC Data Platform also means that they are designed to operate smoothly together, reducing management effort. In this IBM Redbooks® publication, we discuss the latest features and functions of the SVC 2145-DH8 and software version 7.3, implementation, architectural improvements, and Easy Tier.

IBM System Storage DS6000 Series

Author : Bertrand Dufrasne,Gustavo Castets,Stephen Baird,Werner Bauer,Denise Brown,Jana Jamsek,Wenzel Kalabza,Peter Klee,Markus Oscheka,Ying Thia,Robert Tondini
Publisher : Unknown
Page : 634 pages
File Size : 48,6 Mb
Release : 2006
Category : Electronic
ISBN : OCLC:1192536954

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IBM System Storage DS6000 Series by Bertrand Dufrasne,Gustavo Castets,Stephen Baird,Werner Bauer,Denise Brown,Jana Jamsek,Wenzel Kalabza,Peter Klee,Markus Oscheka,Ying Thia,Robert Tondini Pdf

This IBM Redbooks publication helps you install, tailor, and configure Copy Services in open systems environments on the IBM System Storage DS6000 storage server series. It should be read in conjunction with the IBM System Storage DS6000 Series: Architecture and Implementation, SG24-6781. This book gives you the details necessary to configure each of the Copy Services functions in an open systems environment. There is a companion book that supports the configuration of the Copy Services functions in a z/OS environment, IBM System Storage DS6000 Series: Copy Services with System z servers, SG24-6782. This book helps you design and create the storage map and install Copy Services in an open systems environment. This book helps you design and create a new Copy Services installation or to migrate from an existing installation, as well as addresses design functions and changes in terminology from other IBM Copy Services products. We include hints and tips to maximize the effective installation. It also includes a section on System i and an overview of the TotalStorage Productivity Center for Replication.

IBM Storage Networking c-type FICON Implementation Guide

Author : William White,Aubrey Applewhaite,Mike Blair,Gary Fisher,Gavin O'Reilly,Lyle Ramsey,Fausto Vaninetti,IBM Redbooks
Publisher : IBM Redbooks
Page : 452 pages
File Size : 41,8 Mb
Release : 2022-01-11
Category : Computers
ISBN : 9780738460215

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IBM Storage Networking c-type FICON Implementation Guide by William White,Aubrey Applewhaite,Mike Blair,Gary Fisher,Gavin O'Reilly,Lyle Ramsey,Fausto Vaninetti,IBM Redbooks Pdf

The next-generation IBM® c-type Directors and switches for IBM Storage Networking provides high-speed Fibre Channel (FC) and IBM Fibre Connection (IBM FICON®) connectivity from the IBM Z® platform to the storage area network (SAN) core. It enables enterprises to rapidly deploy high-density virtualized servers with the dual benefit of higher bandwidth and consolidation. This IBM Redpaper Redbooks publication helps administrators understand how to implement or migrate to an IBM c-type SAN environment. It provides an overview of the key hardware and software products, and it explains how to install, configure, monitor, tune, and troubleshoot your SAN environment.

Implementing the IBM System Storage SAN Volume Controller with IBM Spectrum Virtualize V8.2.1

Author : Jon Tate,Jack Armstrong,Tiago Bastos,Pawel Brodacki,Frank Enders,Sergey Kubin,Danilo Miyasiro,Rodrigo Suzuki,IBM Redbooks
Publisher : IBM Redbooks
Page : 846 pages
File Size : 45,9 Mb
Release : 2019-07-04
Category : Computers
ISBN : 9780738457758

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Implementing the IBM System Storage SAN Volume Controller with IBM Spectrum Virtualize V8.2.1 by Jon Tate,Jack Armstrong,Tiago Bastos,Pawel Brodacki,Frank Enders,Sergey Kubin,Danilo Miyasiro,Rodrigo Suzuki,IBM Redbooks Pdf

This IBM® Redbooks® publication is a detailed technical guide to the IBM System Storage® SAN Volume Controller (SVC), which is powered by IBM SpectrumTM Virtualize V8.2.1. IBM SAN Volume Controller is a virtualization appliance solution that maps virtualized volumes that are visible to hosts and applications to physical volumes on storage devices. Each server within the storage area network (SAN) has its own set of virtual storage addresses that are mapped to physical addresses. If the physical addresses change, the server continues running by using the same virtual addresses that it had before. Therefore, volumes or storage can be added or moved while the server is still running. The IBM virtualization technology improves the management of information at the block level in a network, which enables applications and servers to share storage devices on a network.

Implementing the IBM SAN Volume Controller with IBM Spectrum Virtualize V8.3.1

Author : Jack Armstrong,Tiago Bastos,Pawel Brodacki,Markus Döllinger,Jon Herd,Sergey Kubin,Carsten Larsen,Hartmut Lonzer,Jon Tate,IBM Redbooks
Publisher : IBM Redbooks
Page : 924 pages
File Size : 40,8 Mb
Release : 2021-02-01
Category : Computers
ISBN : 9780738458908

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Implementing the IBM SAN Volume Controller with IBM Spectrum Virtualize V8.3.1 by Jack Armstrong,Tiago Bastos,Pawel Brodacki,Markus Döllinger,Jon Herd,Sergey Kubin,Carsten Larsen,Hartmut Lonzer,Jon Tate,IBM Redbooks Pdf

This IBM® Redbooks® publication is a detailed technical guide to the IBM System StorageTM SAN Volume Controller, which is powered by IBM Spectrum® Virtualize V8.3.1. IBM SAN Volume Controller is a virtualization appliance solution that maps virtualized volumes that are visible to hosts and applications to physical volumes on storage devices. Each server within the storage area network (SAN) has its own set of virtual storage addresses that are mapped to physical addresses. If the physical addresses change, the server continues running by using the same virtual addresses that it had before. Therefore, volumes or storage can be added or moved while the server is still running. The IBM virtualization technology improves the management of information at the block level in a network, which enables applications and servers to share storage devices on a network.