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Redhat官方 - OPENSTACK云平台功能与案例手册 201804.pdf

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    TOC - Maximize your evaluation
    Intro to OpenStack
    Welcome to the cloud
    MAXIMIZE YOUR CLOUD EVALUATION A guide to Red Hat OpenStack Platform features and use cases This e-book provides an overview of select features, functionality, and use cases for Red Hat® OpenStack® Platform, answering what?, why?, and how? for each topic. Each section is independent, so you can use the table of contents to skip to sections that most interest you. Clicking on the cloud icon in the lower right corner of each page will return you to this table of contents. Links to key documents and websites are included in each section, as well as in the general listing at the end of this e-book. To get started: » Download the Red Hat OpenStack Platform evaluation at: access.redhat.com/products/red-hat-openstack-platform/ evaluation. » Review in-depth Red Hat OpenStack Platform product guides at: access.redhat.com/documentation/en-us/ red_hat_openstack_platform. Page 1 INTRODUCTION TO OPENSTACK Page 2 WELCOME TO THE CLOUD Page 3 RED HAT OPENSTACK PLATFORM SERVICES AND RELATIONSHIPS Page 4 TOP FEATURES FOR INSTALLATION Page 5 INTEGRATED DEPLOYMENT TOOLING Page 7 TOP FEATURES FOR DAY-TO-DAY OPERATIONS Page 8 AUTOMATED UPDATE AND UPGRADE PROCESSES Page 9 INSTANCE LIVE MIGRATION Page 10 UNIFIED LIFE-CYCLE MANAGEMENT Page 13 COMPOSABLE ROLES AND SERVICES RED HAT OPENSTACK PLATFORM EVALUATION GUIDE | CONTENTS
    MAXIMIZE YOUR CLOUD EVALUATION A guide to Red Hat OpenStack Platform features and use cases Page 14 TOP FEATURES FOR NETWORK FUNCTIONS VIRTUALIZATION (NFV) Page 21 PRODUCTION-GRADE, PROGRAMMABLE STORAGE Page 15 VIRTUAL LOCAL AREA NETWORKS (VLANs) Page 16 HIGH-PERFORMANCE VIRTUAL NETWORKING Page 17 ENHANCED PACKET ROUTING AND PROCESSING Page 18 SOFTWARE-DEFINED NETWORKING (SDN) Page 19 TOP FEATURES FOR BIG DATA AND STORAGE Page 20 APACHE HADOOP CLUSTER IMPLEMENTATION Page 23 TOP FEATURES FOR SCIENCE AND RESEARCH Page 24 PCI EXPRESS (PCIe) DEVICE ACCESS Page 25 TOP FEATURES FOR DEVOPS Page 26 CONTAINER INTEGRATION AND MANAGEMENT Page 27 GENERAL RESOURCES Page 28 SCHEDULE A DISCOVERY SESSION RED HAT OPENSTACK PLATFORM EVALUATION GUIDE | CONTENTS
    INTRODUCTION TO OPENSTACK The top choice for cloud environments OpenStack is an increasingly popular choice for cloud deployments across all industries and sizes of organizations. In fact, OpenStack is one of the fastest-growing open source communities in the world, with 83,767 commu- nity members and 672 supporting companies in 189 countries contributing more than 20 million lines of code.1 When building a private or public Infrastructure-as-a-Service (IaaS) cloud environment, organizations choose OpenStack to:2 » Increase operational efficiency. » Accelerate their ability to innovate. » Avoid vendor lock-in. » Save money. » Standardize on the same open platform and application programming interfaces (APIs) that power a global network of public and private clouds. » Achieve security and privacy goals. » Attract top technical talent. TOP REASONS FOR CHOOSING OPENSTACK Increase efficiency Accelerate innovation Avoid lock-in Save money Standardize platform Improve security Attract talent 0% 20% Figure 1. Top reasons for choosing OpenStack2 OPENSTACK BY THE NUMBERS1 20 MILLION {{{ lines of code }}} 83,767 members 672 companies 189 countries 93% 86% 81% 79% 74% 47% 32% 40% 60% 80% 100% 1 OpenStack Foundation. From openstack.org as of December 17, 2017. 2 “OpenStack User Survey.” The OpenStack Foundation. November 2017. openstack.org/assets/survey/OpenStack-User-Survey-Nov17.pdf. RED HAT OPENSTACK PLATFORM EVALUATION GUIDE | 1
    WELCOME TO THE CLOUD The power and stability of Red Hat OpenStack Platform KEY FEATURES » Co-engineered performance » Built-in security » Unified cloud management » Scale-out services, including compute, network, and storage » Freedom from vendor dependency » Production-friendly life- cycle and support options As business competition and disruption increase across industries, IT organizations are challenged to respond faster to new, growing, and fast-changing customer demands. An OpenStack cloud environment can provide agility and speed, but not all OpenStack distributions can meet the additional demands of production-grade deployment, performance, scalability, and security. Red Hat OpenStack Platform can. Red Hat OpenStack Platform combines the power of Red Hat Enterprise Linux® with OpenStack technology developed by Red Hat to deliver a foundation for building private or public IaaS cloud environments. It offers a highly scalable, fault-tolerant platform for running cloud-enabled work- loads. Red Hat OpenStack Platform also lets you dynamically expand capacity across cloud environments to meet demand peaks without downtime or complex processes. OpenStack depends on Linux as the operating environment for its services, to access hardware resources, and for third-party integration with existing or new systems. OpenStack also depends on Linux for system-wide perfor- mance, scalability, and security and as an operating system for the guest applications running in these virtual environments. This is why Red Hat — recognizing the critical interdependencies between the two — co-engineered Red Hat OpenStack Platform and Red Hat Enterprise Linux together with closely aligned product engineering teams. Paired with Red Hat CloudForms’ open, hybrid management for workloads and infrastructure, as well as Red Hat Ceph Storage’s highly redundant, software-defined storage, Red Hat OpenStack Platform is an integrated, optimized, and managed foundation for production-ready cloud environments. Red Hat OpenStack Platform is also integrated with other products in Red Hat’s software stack. Red Hat Ansible® Automation — simple, flexible IT automation technology — works with Red Hat OpenStack Platform director to simplify deployment, upgrades, and overall management. Red Hat OpenStack Platform also makes an ideal foundation for Platform-as-a-Service (PaaS) deployment with Red Hat OpenShift Container Platform — a platform for building, deploying, and managing container-based applications consistently across hybrid cloud and multicloud infrastructures. RED HAT OPENSTACK PLATFORM EVALUATION GUIDE | 2
    OPENSTACK SERVICES AND RELATIONSHIPS A modular, interoperable architecture for flexibility Red Hat OpenStack Platform features a modular architecture based on a variety of interoperable services for compute, networking, storage, management, orchestration, and more. These services can be used in any combination to align your cloud infrastructure with the needs of your organization. MONITORING DATA PROCESSING ORCHESTRATION SHARED SERVICES DEPLOYMENT AND MANAGEMENT IDENTITY DIRECTOR CEILOMETER SAHARA HEAT KEYSTONE COMPUTE STORAGE BLOCK STORAGE IMAGE STORAGE OBJECT STORAGE NETWORKING BARE-METAL PROVISIONING DASHBOARD IaaS+ IaaS NOVA CINDER GLANCE SWIFT NEUTRON IRONIC HORIZON TRIPLEO Modular architecture High scalability Core set of services Figure 2. Red Hat OpenStack Platform modular architecture with interoperable services RED HAT OPENSTACK PLATFORM EVALUATION GUIDE | 3
    TOP FEATURES FOR INSTALLATION As the first step in using any technology, installation is critical. Ensuring components are installed and configured correctly can be the difference between a successful technology project and a failed one. With a wide variety of services and options, installing OpenStack can prove daunting. Red Hat OpenStack Platform director alleviates installation and ongoing operational challenges through deployment and life-cycle management automation. RED HAT OPENSTACK PLATFORM EVALUATION GUIDE | 4
    INTEGRATED DEPLOYMENT TOOLING Red Hat OpenStack Platform director OpenStack cloud deployments are complex — there is no standard cloud configuration that fits all use cases. Differing requirements, expectations, hardware, networking, storage, and datacenter services make it impossible to define a single, standard deployment. In addition, OpenStack deployments themselves are complicated. According to the OpenStack Foundation, the average OpenStack deployment deploys 11 OpenStack services.3 Director is the integrated deployment and life-cycle management tool included with Red Hat OpenStack Platform. Integration with Red Hat’s management and automation tools allows you to use an infrastructure-as-code approach to cloud management. Use director with Red Hat Ansible Automation to automate your cloud infrastructure, Red Hat Satellite to manage subscriptions and content, and Red Hat CloudForms to perform advanced Day 2 operations. Additionally, based on the upstream community’s TripleO project, director uses OpenStack services to install and deploy your Red Hat OpenStack Platform environment. As a result, installation and management are aligned with and benefit from improvements to the overall OpenStack platform. OVERCLOUD (Deployed cloud) CONTROLLER NODES COMPUTE NODES STORAGE NODES Deploy, configure, and manage nodes UNDERCLOUD (Director) Figure 3. Red Hat OpenStack Platform director installs, configures, and manages OpenStack nodes 3 “OpenStack User Survey.” The OpenStack Foundation. November 2017. openstack.org/assets/survey/OpenStack-User-Survey-Nov17.pdf. RED HAT OPENSTACK PLATFORM EVALUATION GUIDE | 5
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