Migration Use Cases With The Migration Manager

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Migration Use Cases with the Migration Manager

Author : Downing Bradley
Publisher : IBM Redbooks
ISBN 13 : 0738435090
Total Pages : 288 pages
Book Rating : 4.7/5 (384 download)

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Book Synopsis Migration Use Cases with the Migration Manager by : Downing Bradley

Download or read book Migration Use Cases with the Migration Manager written by Downing Bradley and published by IBM Redbooks. This book was released on 2011-05-23 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Migration Manager enables you to migrate configuration content from one production environment to another. The typical use is to migrate configuration content from a development environment to a test environment and then on to production for the Tivoli® process automation engine and its applications, such as IBM® Tivoli Change and Configuration Management Database (CCMDB) and IBM Tivoli Service Request Manager®. The goal of migration is to ensure that your production environment fully meets the needs of your users. This IBM Redbooks® publication covers the most common migration use cases with the Migration Manager. Of course, these use cases are only a small subset of the possible migration scenarios that can be performed by the Migration Manager, but they were chosen to be representative of the capabilities of the Migration Manager. In addition to these use cases, the book presents a migration strategy and a comprehensive chapter about troubleshooting possible migration problems when using the Migration Manager. We strongly suggest that you read Chapter 1, "Migration strategy" on page 1 first before reading the other chapters. This chapter will give you a good foundation for all of the migration scenarios covered in the book. This book will be a reference for IT Specialists and IT Architects working on migrating configuration content from one production environment to another using the Migration Manager.

Migration Use Cases with the Migration Manager Version 7.5

Author : Rebecca Alsop
Publisher : IBM Redbooks
ISBN 13 : 0738437867
Total Pages : 470 pages
Book Rating : 4.7/5 (384 download)

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Book Synopsis Migration Use Cases with the Migration Manager Version 7.5 by : Rebecca Alsop

Download or read book Migration Use Cases with the Migration Manager Version 7.5 written by Rebecca Alsop and published by IBM Redbooks. This book was released on 2013-03-22 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt: By using the Migration Manager, you can migrate configuration content from one production environment to another. The typical use is to migrate configuration content from a development environment to a test environment and then on to production for the Tivoli® process automation engine and its applications, such as IBM® SmartCloud® Control Desk. The goal of migration is to ensure that your production environment fully meets the needs of your users. This IBM Redbooks® publication is an update of the existing book Migration Use Cases with the Migration Manager, SG24-7906 and covers the most common migration use cases with the Migration Manager, including the capabilities that were introduced with Tivoli's process automation engine V7.5. These use cases are only a small subset of the possible migration scenarios that can be performed by the Migration Manager, but they were chosen to be representative of the capabilities of the Migration Manager. In addition to these use cases, the book presents a migration strategy and a comprehensive chapter about troubleshooting possible migration problems when the Migration Manager is used. We strongly suggest that you read Chapter 1, "Migration strategy" on page 1 first before reading the other chapters. This chapter give syou a good foundation for all of the migration scenarios that are covered in the book. This book is a reference for IT Specialists and IT Architects working on migrating configuration content from one production environment to another by using the Migration Manager.

Content Manager Implementation and Migration Cookbook

Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (139 download)

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Book Synopsis Content Manager Implementation and Migration Cookbook by :

Download or read book Content Manager Implementation and Migration Cookbook written by and published by . This book was released on 2006 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Block Storage Migration in Open Environments

Author : Francesco Anderloni
Publisher : IBM Redbooks
ISBN 13 : 0738458708
Total Pages : 226 pages
Book Rating : 4.7/5 (384 download)

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Book Synopsis Block Storage Migration in Open Environments by : Francesco Anderloni

Download or read book Block Storage Migration in Open Environments written by Francesco Anderloni and published by IBM Redbooks. This book was released on 2020-04-16 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

DS8870 Data Migration Techniques

Author : Bertrand Dufrasne
Publisher : IBM Redbooks
ISBN 13 : 0738440604
Total Pages : 330 pages
Book Rating : 4.7/5 (384 download)

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Book Synopsis DS8870 Data Migration Techniques by : Bertrand Dufrasne

Download or read book DS8870 Data Migration Techniques written by Bertrand Dufrasne and published by IBM Redbooks. This book was released on 2017-11-16 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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).

Cloud Migration Complete Self-assessment Guide

Author : Gerardus Blokdyk
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781545517154
Total Pages : 112 pages
Book Rating : 4.5/5 (171 download)

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Book Synopsis Cloud Migration Complete Self-assessment Guide by : Gerardus Blokdyk

Download or read book Cloud Migration Complete Self-assessment Guide written by Gerardus Blokdyk and published by Createspace Independent Publishing Platform. This book was released on 2017-04-20 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: What should the next improvement project be that is related to Cloud Migration? How did the Cloud Migration manager receive input to the development of a Cloud Migration improvement plan and the estimated completion dates/times of each activity? Has the Cloud Migration work been fairly and/or equitably divided and delegated among team members who are qualified and capable to perform the work? Has everyone contributed? What does Cloud Migration success mean to the stakeholders? Have all basic functions of Cloud Migration been defined? Has the direction changed at all during the course of Cloud Migration? If so, when did it change and why? What situation(s) led to this Cloud Migration Self Assessment? Defining, designing, creating, and implementing a process to solve a business challenge or meet a business objective is the most valuable role... In EVERY company, organization and department. Unless you are talking a one-time, single-use project within a business, there should be a process. Whether that process is managed and implemented by humans, AI, or a combination of the two, it needs to be designed by someone with a complex enough perspective to ask the right questions. Someone capable of asking the right questions and step back and say, 'What are we really trying to accomplish here? And is there a different way to look at it?' For more than twenty years, The Art of Service's Self-Assessments empower people who can do just that - whether their title is marketer, entrepreneur, manager, salesperson, consultant, business process manager, executive assistant, IT Manager, CIO etc... - they are the people who rule the future. They are people who watch the process as it happens, and ask the right questions to make the process work better. This book is for managers, advisors, consultants, specialists, professionals and anyone interested in assessing Cloud Migration. Featuring 618 new and updated case-based questions, divided into seven core areas of process design, this Self-Assessment will help you identify areas in which Cloud Migration improvements can be made. In using the questions you will be better able to: - diagnose Cloud Migration projects, initiatives, organizations, businesses and processes using accepted diagnostic standards and practices - implement evidence-based best practice strategies aligned with overall goals - integrate recent advances in Cloud Migration and process design strategies into practice according to best practice guidelines Using a Self-Assessment tool known as the Cloud Migration Index, you will develop a clear picture of which Cloud Migration areas need attention. Included with your purchase of the book is the Cloud Migration Self-Assessment downloadable resource, containing all questions and Self-Assessment areas of this book. This enables ease of (re-)use and enables you to import the questions in your preferred management tool. Access instructions can be found in the book. This Self-Assessment has been approved by The Art of Service as part of a lifelong learning and Self-Assessment program and as a component of maintenance of certification. Optional other Self-Assessments are available. For more information, visit http://theartofservice.com

Cloud Migration Complete Self-Assessment Guide

Author : Gerardus Blokdyk
Publisher : 5starcooks
ISBN 13 : 9781489142146
Total Pages : pages
Book Rating : 4.1/5 (421 download)

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Book Synopsis Cloud Migration Complete Self-Assessment Guide by : Gerardus Blokdyk

Download or read book Cloud Migration Complete Self-Assessment Guide written by Gerardus Blokdyk and published by 5starcooks. This book was released on 2017-05-12 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: What should the next improvement project be that is related to Cloud Migration? How did the Cloud Migration manager receive input to the development of a Cloud Migration improvement plan and the estimated completion dates/times of each activity? Has the Cloud Migration work been fairly and/or equitably divided and delegated among team members who are qualified and capable to perform the work? Has everyone contributed? What does Cloud Migration success mean to the stakeholders? Have all basic functions of Cloud Migration been defined? Has the direction changed at all during the course of Cloud Migration? If so, when did it change and why? What situation(s) led to this Cloud Migration Self Assessment? Defining, designing, creating, and implementing a process to solve a business challenge or meet a business objective is the most valuable role... In EVERY company, organization and department. Unless you are talking a one-time, single-use project within a business, there should be a process. Whether that process is managed and implemented by humans, AI, or a combination of the two, it needs to be designed by someone with a complex enough perspective to ask the right questions. Someone capable of asking the right questions and step back and say, 'What are we really trying to accomplish here? And is there a different way to look at it?' For more than twenty years, The Art of Service's Self-Assessments empower people who can do just that - whether their title is marketer, entrepreneur, manager, salesperson, consultant, business process manager, executive assistant, IT Manager, CIO etc... - they are the people who rule the future. They are people who watch the process as it happens, and ask the right questions to make the process work better. This book is for managers, advisors, consultants, specialists, professionals and anyone interested in assessing Cloud Migration. Featuring 618 new and updated case-based questions, divided into seven core areas of process design, this Self-Assessment will help you identify areas in which Cloud Migration improvements can be made. In using the questions you will be better able to: - diagnose Cloud Migration projects, initiatives, organizations, businesses and processes using accepted diagnostic standards and practices - implement evidence-based best practice strategies aligned with overall goals - integrate recent advances in Cloud Migration and process design strategies into practice according to best practice guidelines Using a Self-Assessment tool known as the Cloud Migration Index, you will develop a clear picture of which Cloud Migration areas need attention. Included with your purchase of the book is the Cloud Migration Self-Assessment downloadable resource, containing all questions and Self-Assessment areas of this book. This enables ease of (re-)use and enables you to import the questions in your preferred management tool. Access instructions can be found in the book. This Self-Assessment has been approved by The Art of Service as part of a lifelong learning and Self-Assessment program and as a component of maintenance of certification. Optional other Self-Assessments are available. For more information, visit http: //theartofservice.com

Migrating to the Cloud

Author : Tom Laszewski
Publisher : Elsevier
ISBN 13 : 1597496480
Total Pages : 401 pages
Book Rating : 4.5/5 (974 download)

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Book Synopsis Migrating to the Cloud by : Tom Laszewski

Download or read book Migrating to the Cloud written by Tom Laszewski and published by Elsevier. This book was released on 2011-11-08 with total page 401 pages. Available in PDF, EPUB and Kindle. Book excerpt: Migrating to the Cloud: Oracle Client/Server Modernization is a reference guide for migrating client/server applications to the Oracle cloud. Organized into 14 chapters, the book offers tips on planning, determining effort and budget, designing the Oracle cloud infrastructure, implementing the migration, and moving the Oracle cloud environment into production. Aside from Oracle application and database cloud offerings, the book looks at various tools and technologies that can facilitate migration to the cloud. It includes useful code snippets and step-by-step instructions in database migration, along with four case studies that highlight service enablement of DOS-based applications, Sybase to Oracle, PowerBuilder to APEX, and Forms to Java EE. Finally, it considers current challenges and future trends in cloud computing and client/server migration. This book will be useful to IT professionals, such as developers, architects, database administrators, IT project managers, and executives, in developing migration strategies and best practices, as well as finding appropriate solutions. Focuses on Oracle architecture, Middleware and COTS business applications Explains the tools and technologies necessary for your legacy migration Gives useful information about various strategies, migration methodologies and efficient plans for executing migration projects

The Product-Led Organization

Author : Todd Olson
Publisher : John Wiley & Sons
ISBN 13 : 1119660874
Total Pages : 272 pages
Book Rating : 4.1/5 (196 download)

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Book Synopsis The Product-Led Organization by : Todd Olson

Download or read book The Product-Led Organization written by Todd Olson and published by John Wiley & Sons. This book was released on 2020-09-23 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: A playbook on product-led strategy for software product teams There's a common strategy used by the fastest growing and most successful businesses of our time. These companies are building their entire customer experience around their digital products, delivering software that is simple, intuitive and delightful, and that anticipates and exceeds the evolving needs of users. Product-led organizations make their products the vehicle for acquiring and retaining customers, driving growth, and influencing organizational priorities. They represent the future of business in a digital-first world. This book is meant to help you transform your company into a product-led organization, helping to drive growth for your business and advance your own career. It provides: A holistic view of the quantitative and qualitative insights teams need to make better decisions and shape better product experiences. A guide to setting goals for product success and measuring progress toward meeting them. A playbook for incorporating sales and marketing activities, service and support, as well as onboarding and education into the product Strategies for soliciting, organizing and prioritizing feedback from customers and other stakeholders; and how to use those inputs to create an effective product roadmap The Product-Led Organization: Drive Growth By Putting Product at the Center of Your Customer Experience was written by the co-founder and CEO of Pendo—a SaaS company and innovator in building software for digital product teams. The book reflects the author’s passion and dedication for sharing what it takes to build great products.

Developing Data Migrations and Integrations with Salesforce

Author : David Masri
Publisher : Apress
ISBN 13 : 1484242092
Total Pages : 359 pages
Book Rating : 4.4/5 (842 download)

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Book Synopsis Developing Data Migrations and Integrations with Salesforce by : David Masri

Download or read book Developing Data Migrations and Integrations with Salesforce written by David Masri and published by Apress. This book was released on 2018-12-18 with total page 359 pages. Available in PDF, EPUB and Kindle. Book excerpt: Migrate your data to Salesforce and build low-maintenance and high-performing data integrations to get the most out of Salesforce and make it a "go-to" place for all your organization's customer information. When companies choose to roll out Salesforce, users expect it to be the place to find any and all Information related to a customer—the coveted Client 360° view. On the day you go live, users expect to see all their accounts, contacts, and historical data in the system. They also expect that data entered in other systems will be exposed in Salesforce automatically and in a timely manner. This book shows you how to migrate all your legacy data to Salesforce and then design integrations to your organization's mission-critical systems. As the Salesforce platform grows more powerful, it also grows in complexity. Whether you are migrating data to Salesforce, or integrating with Salesforce, it is important to understand how these complexities need to be reflected in your design. Developing Data Migrations and Integrations with Salesforce covers everything you need to know to migrate your data to Salesforce the right way, and how to design low-maintenance, high-performing data integrations with Salesforce. This book is written by a practicing Salesforce integration architect with dozens of Salesforce projects under his belt. The patterns and practices covered in this book are the results of the lessons learned during those projects. What You’ll Learn Know how Salesforce’s data engine is architected and why Use the Salesforce Data APIs to load and extract data Plan and execute your data migration to Salesforce Design low-maintenance, high-performing data integrations with Salesforce Understand common data integration patterns and the pros and cons of each Know real-time integration options for Salesforce Be aware of common pitfalls Build reusable transformation code covering commonly needed Salesforce transformation patterns Who This Book Is For Those tasked with migrating data to Salesforce or building ongoing data integrations with Salesforce, regardless of the ETL tool or middleware chosen; project sponsors or managers nervous about data tracks putting their projects at risk; aspiring Salesforce integration and/or migration specialists; Salesforce developers or architects looking to expand their skills and take on new challenges

Monolith to Microservices

Author : Sam Newman
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 1492047791
Total Pages : 305 pages
Book Rating : 4.4/5 (92 download)

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Book Synopsis Monolith to Microservices by : Sam Newman

Download or read book Monolith to Microservices written by Sam Newman and published by "O'Reilly Media, Inc.". This book was released on 2019-11-14 with total page 305 pages. Available in PDF, EPUB and Kindle. Book excerpt: How do you detangle a monolithic system and migrate it to a microservice architecture? How do you do it while maintaining business-as-usual? As a companion to Sam Newman’s extremely popular Building Microservices, this new book details a proven method for transitioning an existing monolithic system to a microservice architecture. With many illustrative examples, insightful migration patterns, and a bevy of practical advice to transition your monolith enterprise into a microservice operation, this practical guide covers multiple scenarios and strategies for a successful migration, from initial planning all the way through application and database decomposition. You’ll learn several tried and tested patterns and techniques that you can use as you migrate your existing architecture. Ideal for organizations looking to transition to microservices, rather than rebuild Helps companies determine whether to migrate, when to migrate, and where to begin Addresses communication, integration, and the migration of legacy systems Discusses multiple migration patterns and where they apply Provides database migration examples, along with synchronization strategies Explores application decomposition, including several architectural refactoring patterns Delves into details of database decomposition, including the impact of breaking referential and transactional integrity, new failure modes, and more

Impacts and Challenges of Cloud Business Intelligence

Author : Aljawarneh, Shadi
Publisher : IGI Global
ISBN 13 : 1799850412
Total Pages : 263 pages
Book Rating : 4.7/5 (998 download)

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Book Synopsis Impacts and Challenges of Cloud Business Intelligence by : Aljawarneh, Shadi

Download or read book Impacts and Challenges of Cloud Business Intelligence written by Aljawarneh, Shadi and published by IGI Global. This book was released on 2020-12-18 with total page 263 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cloud computing provides an easier alternative for starting an IT-based business organization that requires much less of an initial investment. Cloud computing offers a significant edge of traditional computing with big data being continuously transferred to the cloud. For extraction of relevant data, cloud business intelligence must be utilized. Cloud-based tools, such as customer relationship management (CRM), Salesforce, and Dropbox are increasingly being integrated by enterprises looking to increase their agility and efficiency. Impacts and Challenges of Cloud Business Intelligence is a cutting-edge scholarly resource that provides comprehensive research on business intelligence in cloud computing and explores its applications in conjunction with other tools. Highlighting a wide range of topics including swarm intelligence, algorithms, and cloud analytics, this book is essential for entrepreneurs, IT professionals, managers, business professionals, practitioners, researchers, academicians, and students.

Migration, Risk Management and Climate Change: Evidence and Policy Responses

Author : Andrea Milan
Publisher : Springer
ISBN 13 : 3319429221
Total Pages : 231 pages
Book Rating : 4.3/5 (194 download)

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Book Synopsis Migration, Risk Management and Climate Change: Evidence and Policy Responses by : Andrea Milan

Download or read book Migration, Risk Management and Climate Change: Evidence and Policy Responses written by Andrea Milan and published by Springer. This book was released on 2016-11-14 with total page 231 pages. Available in PDF, EPUB and Kindle. Book excerpt: This edited volume explores the circumstances under which vulnerable communities can better adapt to climate and environmental change, and focuses in particular on the centrality of migration as a resilience and adaptation strategy for communities at risk. The book features important case studies where migration is being used as a risk management strategy in the Pacific, Sub-Sahara Africa, Latin America, and Europe. Its comparative analysis reveals common patterns in enhancing local resilience through migration across diverse regional, socio-economic, cultural, and political contexts. This book is a contribution to the global discussion about the future of migration policy, especially as climate and environmental change is expected to grow as one of the most pressing challenges of our time.

Migrating to AWS: A Manager's Guide

Author : Jeff Armstrong
Publisher : O'Reilly Media
ISBN 13 : 1492074217
Total Pages : 273 pages
Book Rating : 4.4/5 (92 download)

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Book Synopsis Migrating to AWS: A Manager's Guide by : Jeff Armstrong

Download or read book Migrating to AWS: A Manager's Guide written by Jeff Armstrong and published by O'Reilly Media. This book was released on 2020-06-26 with total page 273 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bring agility, cost savings, and a competitive edge to your business by migrating your IT infrastructure to AWS. With this practical book, executive and senior leadership and engineering and IT managers will examine the advantages, disadvantages, and common pitfalls when moving your company’s operations to the cloud. Author Jeff Armstrong brings years of practical hands-on experience helping dozens of enterprises make this corporate change. You’ll explore real-world examples from many organizations that have made—or attempted to make—this wide-ranging transition. Once you read this guide, you’ll be better prepared to evaluate your migration objectively before, during, and after the process in order to ensure success. Learn the benefits and drawbacks of migrating to AWS, including the risks to your business and technology Begin the process by discovering the applications and servers in your environment Examine the value of AWS migration when building your business case Address your operational readiness before you migrate Define your AWS account structure and cloud governance controls Create your migration plan in waves of servers and applications Refactor applications that will benefit from using more cloud native resources

Records of the Proceedings and Printed Papers of the Parliament

Author : Australia. Parliament
Publisher :
ISBN 13 :
Total Pages : 2588 pages
Book Rating : 4.:/5 (26 download)

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Book Synopsis Records of the Proceedings and Printed Papers of the Parliament by : Australia. Parliament

Download or read book Records of the Proceedings and Printed Papers of the Parliament written by Australia. Parliament and published by . This book was released on 1926 with total page 2588 pages. Available in PDF, EPUB and Kindle. Book excerpt:

VCP VMware Certified Professional vSphere 4 Study Guide (Exam VCP410)

Author : Robert Schmidt
Publisher : McGraw Hill Professional
ISBN 13 : 0071633677
Total Pages : 466 pages
Book Rating : 4.0/5 (716 download)

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Book Synopsis VCP VMware Certified Professional vSphere 4 Study Guide (Exam VCP410) by : Robert Schmidt

Download or read book VCP VMware Certified Professional vSphere 4 Study Guide (Exam VCP410) written by Robert Schmidt and published by McGraw Hill Professional. This book was released on 2010-06-25 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Best Fully Integrated Study System Available With hundreds of practice questions and hands-on exercises, VCP VMware Certified Professional vSphere 4 Study Guide covers what you need to know--and shows you how to prepare--for this challenging exam. 100% complete coverage of all official ojectives for exam VCP410 Inside the Exam sections in every chapter highlighting key exan tipics covered Two-minute drills for quick review at the end of every chapter Simulated exam questions match the format, tone, topics, and difficulty of the real exam Covers all the exam topics, including: vSphere * Server Virtualization and the VMware Product Line * Installing, Upgrading, and Configuring ESX Server * Installing and Configuring vCenter Server * Understanding Networking and Virtual Switches on ESX/ESXi Servers * Understanding and Configuring Storage on ESX/ESXi Servers * Creating, Deploying, and Managing Virtual Machines and vApps * Managing Compliance * Establishing Service Levels * Basic Troubleshooting and Alarm Management CD-ROM includes: Complete MasterExam practice testing engine, featuring: One full practice exam, Detailed answers with explanations, and Score Report performance assessment tool Flash card study deck Electronic book for studying on the go With free online registration: Bonus downloadable MasterExam practice test

Storage Hierarchy Management for Scientific Computing

Author : Ethan L. Miller
Publisher :
ISBN 13 :
Total Pages : 390 pages
Book Rating : 4.:/5 (33 download)

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Book Synopsis Storage Hierarchy Management for Scientific Computing by : Ethan L. Miller

Download or read book Storage Hierarchy Management for Scientific Computing written by Ethan L. Miller and published by . This book was released on 1995 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: "Scientific computation has always been one of the driving forces behind the design of computer systems. As a result, many advances in CPU architecture were first developed for high-speed supercomputer systems, keeping them among the fastest computers in the world. However, little research has been done in storing the vast quantities of data that scientists manipulate on these powerful computers. This thesis first characterizes scientists' usage of a multi-terabyte tertiary storage system attached to a high-speed computer. The analysis finds that the number of files and average file size have both increased by several orders of magnitude since 1980. The study also finds that integration of tertiary storage with secondary storage is critical. Many of the accesses to files stored on tape could have easily been avoided had scientists seen a unified view of the mass storage hierarchy instead of the two separate views of the system studied. This finding was a major motivation of the design of the RAMA file system. The remainder of the thesis describes the design and simulation of a massively parallel processor (MPP) file system that is simple, easy to use, and integrates well with tertiary storage. MPPs are increasingly commonly used for scientific computation, yet their file systems require great attention to detail to get acceptable performance. Worse, a program that performs well on one machine may perform poorly on a similar machine with a slightly different file system. RAMA solves this problem by pseudo-randomly distributing data to a disk attached to each processor, making performance independent of program usage patterns. It does this without sacrificing the high performance that scientific users demand, as shown by simulations comparing the performance of RAMA and a striped file system on both real and synthetic benchmarks. Additionally, RAMA can be easily integrated with tertiary storage systems, providing a unified view of the file system spanning both disk and tape systems. RAMA's ease of use and simplicity of design make it an ideal choice for the massively parallel computers used by the scientific community."