High Availability It Services
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Author | : Terry Critchley |
Publisher | : CRC Press |
Total Pages | : 527 |
Release | : 2014-12-17 |
Genre | : Business & Economics |
ISBN | : 148225591X |
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
Author | : Peter S. Weygant |
Publisher | : Prentice Hall Professional |
Total Pages | : 310 |
Release | : 2001-05-07 |
Genre | : Computers |
ISBN | : 067233397X |
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.
Author | : Floyd Piedad |
Publisher | : Prentice Hall Professional |
Total Pages | : 288 |
Release | : 2001 |
Genre | : Business & Economics |
ISBN | : 9780130962881 |
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.
Author | : Klaus Schmidt |
Publisher | : Springer Science & Business Media |
Total Pages | : 418 |
Release | : 2006-09-02 |
Genre | : Computers |
ISBN | : 3540345825 |
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.
Author | : James Sonderegger |
Publisher | : "O'Reilly Media, Inc." |
Total Pages | : 690 |
Release | : 2009-08-18 |
Genre | : Computers |
ISBN | : 1449379443 |
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™.
Author | : YV Ravi Kumar |
Publisher | : Apress |
Total Pages | : 697 |
Release | : 2019-05-16 |
Genre | : Computers |
ISBN | : 148424351X |
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
Author | : Chris Oggerino |
Publisher | : Cisco Press |
Total Pages | : 257 |
Release | : 2001 |
Genre | : Computer networks |
ISBN | : 1587130173 |
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.
Author | : Zachary Taylor |
Publisher | : John Wiley & Sons |
Total Pages | : 396 |
Release | : 2013-10-09 |
Genre | : Technology & Engineering |
ISBN | : 1118753739 |
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.
Author | : Lee Atchison |
Publisher | : O'Reilly Media |
Total Pages | : 269 |
Release | : 2020-02-28 |
Genre | : Computers |
ISBN | : 1492057142 |
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
Author | : Sander van Vugt |
Publisher | : Apress |
Total Pages | : 154 |
Release | : 2014-07-25 |
Genre | : Computers |
ISBN | : 1484200799 |
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.