Download or read book High Availability IT Services written by Terry Critchley and published by CRC Press. This book was released on 2014-12-17 with total page 527 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book starts with the basic premise that a service is comprised of the 3Ps-products, processes, and people. Moreover, these entities and their sub-entities interlink to support the services that end users require to run and support a business. This widens the scope of any availability design far beyond hardware and software. It also increases t

Download or read book Clusters for High Availability written by Peter S. Weygant and published by Prentice Hall Professional. This book was released on 2001-05-07 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: The expert guide to high availability clusters for HP-UX, Linux, Windows 2000, and Windows NT. The start-to-finish guide to high availability clustering Includes ways to maximize enterprise application availability—and minimize cost Completely updated for the latest tools, technologies, and applications Describes high availability solutions in HP-UX, Linux, and Windows environments Business-critical applications require higher availability than ever before-and today's high availability systems rely on clustering as a key strategy for maximizing reliability and robustness. In Clusters for High Availability, Second Edition, Peter S. Weygant covers all three pillars of successful high availability computing: robust technology, sound computing processes, and proactive support. He addresses every aspect of delivering high availability clustered systems: terminology, architecture, implementation, management, monitoring, and beyond. Coverage includes: Fundamental concepts and components associated with high availability clustering A 14-step checklist for assessing your high availability needs Clustering techniques for HP-UX, Windows 2000, Windows NT, and Linux Clustered storage, backup, and network infrastructure solutions Practical techniques for building "disaster-tolerant" systems State-of-the-art cluster replication, monitoring, and management tools Weygant presents several brand-new case studies, including an Oracle Parallel Server application providing 5nines:5minutes protection; a high availability brokerage application built using a continental cluster; and a storage area network solution designed for an Internet service provider. The book also contains an extensive glossary. If you're responsible for delivering high availability, Clusters for High Availability is the comprehensive, up-to-date blueprint you need.

Download or read book High Availability Network Fundamentals written by Chris Oggerino and published by Cisco Press. This book was released on 2001 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt: A practical guide to modeling and designing reliable networks Provides a detailed introduction to modeling availability necessary for network design Helps network designers understand the theoretical availability of their topologies Explains the factors that limit availability to minimize the number of network failures Provides all the information necessary to do basic availability modeling/budgeting High Availability Network Fundamentalsdiscusses the need for and the mathematics of availability, then moves on to cover the issues affecting availability, including hardware, software, design strategies, human error, and environmental considerations. After setting up the range of common problems, it then delves into the details of how to design networks for fault tolerance and provides sample calculations for specific systems. Also included is a complete, end-to-end example showing availability calculations for a sample network.

Download or read book High Availability written by Floyd Piedad and published by Prentice Hall Professional. This book was released on 2001 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: A best practices guide tothe people and process issues associated with maximizing application availability. Focus is on how enterprises can design systems that are easier to maintain.

Download or read book Oracle High Availability Disaster Recovery and Cloud Services written by YV Ravi Kumar and published by Apress. This book was released on 2019-05-16 with total page 697 pages. Available in PDF, EPUB and Kindle. Book excerpt: Work with Oracle database’s high-availability and disaster-management technologies. This book covers all the Oracle high-availability technologies in one place and also discusses how you configure them in engineered systems and cloud services. You will see that when you say your database is healthy, it is not limited to whether the database is performing well on day-to-day operations; rather it should also be robust and free from disasters. As a result, your database will be capable of handling unforeseen incidents and recovering from disaster with very minimal or zero downtime. Oracle High Availability, Disaster Recovery, and Cloud Services explores all the high-availability features of Oracle database, how to configure them, and best practices. After you have read this book you will have mastered database high-availability concepts such as RAC, Data Guard, OEM 13c, and engineered systems (Oracle Exadata x6/x7 and Oracle Database Appliance). What You Will Learn Master the best practices and features of Exadata and ODA Implement and monitor high availability with OEM 13c Clone databases using various methods in Oracle 12c R2 Work with the Oracle sharding features of Oracle 12c R2 Who This Book Is ForOracle database administrators

Download or read book High Availability and Disaster Recovery written by Klaus Schmidt and published by Springer Science & Business Media. This book was released on 2006-09-02 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt: Companies and institutions depend more than ever on the availability of their Information Technology, and most mission critical business processes are IT-based. Business Continuity is the ability to do business under any circumstances and is an essential requirement faced by modern companies. Both concepts - High Availability and Disaster Recovery - are realized by redundant systems. This book presents requirements, concepts, and realizations of redundant systems on all abstraction levels, and all given examples refer to UNIX and Linux Systems.

Download or read book JUNOS High Availability written by James Sonderegger and published by "O'Reilly Media, Inc.". This book was released on 2009-08-18 with total page 690 pages. Available in PDF, EPUB and Kindle. Book excerpt: Whether your network is a complex carrier or just a few machines supporting a small enterprise, JUNOS High Availability will help you build reliable and resilient networks that include Juniper Networks devices. With this book's valuable advice on software upgrades, scalability, remote network monitoring and management, high-availability protocols such as VRRP, and more, you'll have your network uptime at the five, six, or even seven nines -- or 99.99999% of the time. Rather than focus on "greenfield" designs, the authors explain how to intelligently modify multi-vendor networks. You'll learn to adapt new devices to existing protocols and platforms, and deploy continuous systems even when reporting scheduled downtime. JUNOS High Availability will help you save time and money. Manage network equipment with Best Common Practices Enhance scalability by adjusting network designs and protocols Combine the IGP and BGP networks of two merging companies Perform network audits Identify JUNOScripting techniques to maintain high availability Secure network equipment against breaches, and contain DoS attacks Automate network configuration through specific strategies and tools This book is a core part of the Juniper Networks Technical Library™.

Download or read book Understanding and Using Q Replication for High Availability Solutions on the IBM z OS Platform written by Cecile Madsen and published by IBM Redbooks. This book was released on 2014-02-11 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: With ever-increasing workloads on production systems from transaction, batch, online query and reporting applications, the challenges of high availability and workload balancing are more important than ever. This IBM® Redbooks® publication provides descriptions and scenarios for high availability solutions using the Q Replication technology of the IBM InfoSphere® Data Replication product on the IBM z/OS® platform. Also included are key considerations for designing, implementing, and managing solutions for the typical business scenarios that rely on Q Replication for their high availability solution. This publication also includes sections on latency analysis, managing Q Replication in the IBM DB2® for z/OS environment, and recovery procedures. These are topics of particular interest to clients who implement the Q Replication solution on the z/OS platform. Q Replication is a high-volume, low-latency replication solution that uses IBM WebSphere® MQ message queues to replicate transactions between source and target databases or subsystems. A major business benefit of the low latency and high throughput solution is timely availability of the data where the data is needed. High availability solutions are implemented to minimize the impact of planned and unplanned disruptions of service to the applications. Disruption of service can be caused by software maintenance and upgrades or by software and hardware outages. As applications' high availability requirements evolve towards continuous availability, that is availability of the data 24 hours a day and 7 days a week, so does the Q Replication solution, to meet these challenges. If you are interested in the Q Replication solution and how it can be used to implement some of the high availability requirements of your business scenarios, this book is for you.

Download or read book Pro Linux High Availability Clustering written by Sander van Vugt and published by Apress. This book was released on 2014-07-25 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pro Linux High Availability Clustering teaches you how to implement this fundamental Linux add-on into your business. Linux High Availability Clustering is needed to ensure the availability of mission critical resources. The technique is applied more and more in corporate datacenters around the world. While lots of documentation about the subject is available on the internet, it isn't always easy to build a real solution based on that scattered information, which is often oriented towards specific tasks only. Pro Linux High Availability Clustering explains essential high-availability clustering components on all Linux platforms, giving you the insight to build solutions for any specific case needed. In this book four common cases will be explained: Configuring Apache for high availability Creating an Open Source SAN based on DRBD, iSCSI and HA clustering Setting up a load-balanced web server cluster with a back-end, highly-available database Setting up a KVM virtualization platform with high-availability protection for a virtual machine. With the knowledge you'll gain from these real-world applications, you'll be able to efficiently apply Linux HA to your work situation with confidence. Author Sander Van Vugt teaches Linux high-availability clustering on training courses, uses it in his everyday work, and now brings this knowledge to you in one place, with clear examples and cases. Make the best start with HA clustering with Pro Linux High Availability Clustering at your side.

Download or read book Beyond Redundancy written by Eric Bauer and published by John Wiley & Sons. This book was released on 2011-09-26 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: While geographic redundancy can obviously be a huge benefit for disaster recovery, it is far less obvious what benefit is feasible and likely for more typical non-catastrophic hardware, software, and human failures. Georedundancy and Service Availability provides both a theoretical and practical treatment of the feasible and likely benefits of geographic redundancy for both service availability and service reliability. The text provides network/system planners, IS/IT operations folks, system architects, system engineers, developers, testers, and other industry practitioners with a general discussion about the capital expense/operating expense tradeoff that frames system redundancy and georedundancy.

Download or read book Site Reliability Engineering written by Niall Richard Murphy and published by "O'Reilly Media, Inc.". This book was released on 2016-03-23 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overwhelming majority of a software system’s lifespan is spent in use, not in design or implementation. So, why does conventional wisdom insist that software engineers focus primarily on the design and development of large-scale computing systems? In this collection of essays and articles, key members of Google’s Site Reliability Team explain how and why their commitment to the entire lifecycle has enabled the company to successfully build, deploy, monitor, and maintain some of the largest software systems in the world. You’ll learn the principles and practices that enable Google engineers to make systems more scalable, reliable, and efficient—lessons directly applicable to your organization. This book is divided into four sections: Introduction—Learn what site reliability engineering is and why it differs from conventional IT industry practices Principles—Examine the patterns, behaviors, and areas of concern that influence the work of a site reliability engineer (SRE) Practices—Understand the theory and practice of an SRE’s day-to-day work: building and operating large distributed computing systems Management—Explore Google's best practices for training, communication, and meetings that your organization can use

Download or read book Designing High Availability Systems written by Zachary Taylor and published by John Wiley & Sons. This book was released on 2013-10-09 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: A practical, step-by-step guide to designing world-class, high availability systems using both classical and DFSS reliability techniques Whether designing telecom, aerospace, automotive, medical, financial, or public safety systems, every engineer aims for the utmost reliability and availability in the systems he, or she, designs. But between the dream of world-class performance and reality falls the shadow of complexities that can bedevil even the most rigorous design process. While there are an array of robust predictive engineering tools, there has been no single-source guide to understanding and using them . . . until now. Offering a case-based approach to designing, predicting, and deploying world-class high-availability systems from the ground up, this book brings together the best classical and DFSS reliability techniques. Although it focuses on technical aspects, this guide considers the business and market constraints that require that systems be designed right the first time. Written in plain English and following a step-by-step "cookbook" format, Designing High Availability Systems: Shows how to integrate an array of design/analysis tools, including Six Sigma, Failure Analysis, and Reliability Analysis Features many real-life examples and case studies describing predictive design methods, tradeoffs, risk priorities, "what-if" scenarios, and more Delivers numerous high-impact takeaways that you can apply to your current projects immediately Provides access to MATLAB programs for simulating problem sets presented, along with PowerPoint slides to assist in outlining the problem-solving process Designing High Availability Systems is an indispensable working resource for system engineers, software/hardware architects, and project teams working in all industries.

Download or read book Architecting for Scale written by Lee Atchison and published by "O'Reilly Media, Inc.". This book was released on 2016-07-11 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: Every day, companies struggle to scale critical applications. As traffic volume and data demands increase, these applications become more complicated and brittle, exposing risks and compromising availability. This practical guide shows IT, devops, and system reliability managers how to prevent an application from becoming slow, inconsistent, or downright unavailable as it grows. Scaling isn’t just about handling more users; it’s also about managing risk and ensuring availability. Author Lee Atchison provides basic techniques for building applications that can handle huge quantities of traffic, data, and demand without affecting the quality your customers expect. In five parts, this book explores: Availability: learn techniques for building highly available applications, and for tracking and improving availability going forward Risk management: identify, mitigate, and manage risks in your application, test your recovery/disaster plans, and build out systems that contain fewer risks Services and microservices: understand the value of services for building complicated applications that need to operate at higher scale Scaling applications: assign services to specific teams, label the criticalness of each service, and devise failure scenarios and recovery plans Cloud services: understand the structure of cloud-based services, resource allocation, and service distribution

Download or read book Teach Yourself Linux Virtualization and High Availability written by David Clinton and published by Lulu.com. This book was released on 2017-03-24 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: High availability server virtualization currently powers the vast majority of public-facing compute deployments and Linux lies at the heart of nearly all of them. If you aren't already engaged in a virtualized project that touches some kind of Linux technology, you probably will be soon. What are you doing to build your skills to meet the future? The Linux Professional Institute's LPIC-3 304 certification expectations are an excellent, vendor neutral introduction to Linux server virtualization and cluster management. Even if you don't have plans to take the exam and earn the certification itself right now, using the 304 as a curriculum guide is a smart move. And, one way or another, this book is a great primary resource.

Download or read book Architecting High Performing Scalable and Available Enterprise Web Applications written by Shailesh Kumar Shivakumar and published by Morgan Kaufmann. This book was released on 2014-10-29 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: Architecting High Performing, Scalable and Available Enterprise Web Applications provides in-depth insights into techniques for achieving desired scalability, availability and performance quality goals for enterprise web applications. The book provides an integrated 360-degree view of achieving and maintaining these attributes through practical, proven patterns, novel models, best practices, performance strategies, and continuous improvement methodologies and case studies. The author shares his years of experience in application security, enterprise application testing, caching techniques, production operations and maintenance, and efficient project management techniques. - Delivers holistic view of scalability, availability and security, caching, testing and project management - Includes patterns and frameworks that are illustrated with end-to-end case studies - Offers tips and troubleshooting methods for enterprise application testing, security, caching, production operations and project management - Exploration of synergies between techniques and methodologies to achieve end-to-end availability, scalability, performance and security quality attributes - 360-degree viewpoint approach for achieving overall quality - Practitioner viewpoint on proven patterns, techniques, methodologies, models and best practices - Bulleted summary and tabular representation of concepts for effective understanding - Production operations and troubleshooting tips

Download or read book Architecting for Scale written by Lee Atchison and published by O'Reilly Media. This book was released on 2020-02-28 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt: Every day, companies struggle to scale critical applications. As traffic volume and data demands increase, these applications become more complicated and brittle, exposing risks and compromising availability. With the popularity of software as a service, scaling has never been more important. Updated with an expanded focus on modern architecture paradigms such as microservices and cloud computing, this practical guide provides techniques for building systems that can handle huge quantities of traffic, data, and demand—without affecting the quality your customers expect. Architects, managers, and directors in engineering and operations organizations will learn how to build applications at scale that run more smoothly and reliably to meet the needs of customers. Learn how scaling affects the availability of your services, why that matters, and how to improve it Dive into a modern service-based application architecture that ensures high availability and reduces the effects of service failures Explore the Single Team Owned Service Architecture paradigm (STOSA)—a model for scaling your development organization in tandem with your application Understand, measure, and mitigate risk in your systems Use the cloud to build highly scalable applications

Download or read book Proxmox High Availability written by Simon M.C. Cheng and published by Packt Publishing Ltd. This book was released on 2014-10-31 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: If you want to know the secrets of virtualization and how to implement high availability on your services, this is the book for you. For those of you who are already using Proxmox, this book offers you the chance to build a high availability cluster with a distributed filesystem to further protect your system from failure.