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IBM Private, Public, and Hybrid Cloud Storage Solutions

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IBM Private, Public, and Hybrid Cloud Storage Solutions Front cover IBM Private, Public, and Hybrid Cloud Storage Solutions Larry Coyne Joe Dain Eric Forestier Patrizia Guaitani Robert Haas Christopher D. Maestas Antoine Maille Tony Pearson Brian Sherman Christopher Vollmar Redpaper International Technical Support Organization IBM Private, Public, and Hybrid Cloud Storage Solutions April 2018 REDP-4873-04 Note: Before using this information and the product it supports, read the information in “Notices” on page vii. Fifth Edition (April 2018) This document was created or updated on November 27, 2018. © Copyright International Business Machines Corporation 2012, 2018. All rights reserved. Note to U.S. Government Users Restricted Rights -- Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Contents Notices . vii Trademarks . viii Preface . ix Authors. ix Now you can become a published author, too! . xii Comments welcome. xii Stay connected to IBM Redbooks . xiii Summary of changes. .xv November 2018, Fifth Edition (minor correction) . .xv . .xv Chapter 1. What is cloud computing. 1 1.1 Cloud computing definition . 2 1.2 What is driving IT and businesses to cloud. 4 1.3 Introduction to Cognitive computing . 4 1.4 Introduction to cloud service models. 5 1.4.1 Infrastructure as a service. 5 1.4.2 Platform as a service . 6 1.4.3 Software as a service . 6 1.4.4 Other service models . 6 1.4.5 Cloud service model layering . 7 1.5 Introduction to cloud delivery models . 8 1.5.1 Public clouds. 9 1.5.2 Private clouds . 9 1.5.3 Hybrid clouds . 10 1.5.4 Community clouds . 10 1.5.5 Cloud considerations . 10 1.6 IBM Cloud Computing Reference Architecture . 12 1.6.1 Introduction to the CCRA . 12 1.6.2 Cloud service roles . 14 1.7 Hybrid Cloud use cases . 16 1.7.1 Systems of Engagement and Systems of Record. 16 1.7.2 Systems integration . 17 1.7.3 Independent workloads. 17 1.7.4 Portability and optimization . 17 1.7.5 Hybrid cloud brokerage and management . 18 1.7.6 Disaster recovery . 18 1.7.7 Capacity bursting . 18 1.7.8 Backup . 18 1.7.9 Archive . 19 1.8 Software-defined infrastructure . 19 1.8.1 New and Traditional Workloads . 19 1.8.2 SDI Components. 19 1.8.3 Role of OpenStack cloud software in cloud computing. 23 1.8.4 IBM participation in OpenStack Foundation . 23 1.9 Role of containers in cloud computing . 24 1.10 General Data Protection Regulation . 25 © Copyright IBM Corp. 2012, 2018. All rights reserved. iii 1.11 Storage cloud components within overall cloud . 26 Chapter 2. What is a storage cloud . 27 2.1 Storage cloud overview. 28 2.1.1 Storage usage differences within a storage cloud infrastructure . 29 2.2 Traditional storage versus storage cloud . 30 2.2.1 Challenges of traditional storage . 30 2.2.2 Advantages of a storage cloud . 32 2.2.3 Implementation considerations for storage cloud . 33 2.3 Benefits and features of storage cloud . 34 2.3.1 Dynamic scaling and provisioning (elasticity) . 34 2.3.2 Faster deployment of storage resources. 34 2.3.3 Reduction in TCO and better ROI. 34 2.3.4 Reduce cost of managing storage . 35 2.3.5 Dynamic, flexible chargeback model (pay-per-use) . 35 2.3.6 Self-service user portal . 35 2.3.7 Integrated storage and service management . 35 2.3.8 Improved efficiency of data management . 35 2.3.9 Faster time to market . 35 2.4 Storage classes for cloud . 36 2.5 Storage cloud delivery models . 37 2.5.1 Public storage cloud . 37 2.5.2 Dedicated private storage cloud . 37 2.5.3 Local private storage cloud . 37 2.5.4 Hybrid storage cloud . 37 2.5.5 Community storage cloud . 38 2.6 The storage cloud journey. 38 2.6.1 Example: Tier cold data . ..
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