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Diseño e implementación de un clúster de alta disponibilidad para virtualizar los servidores Seiscomp3, earthworm y shakemap
Abstract
Este documento presenta el diseño e implementación de un clúster de alta disponibilidad de bajo costo utilizando software libre. La implementación utilizó el software Pacemaker/corosync para administrar el clúster. Se utilizó almacenamiento compartido replicado que utilizó el software DRBD
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Pro Oracle Database 11g RAC on Linux provides full-life-cycle guidance on implementing Oracle Real Application Clusters in a Linux environment. Real Application Clusters, commonly abbreviated as RAC, is Oracles industry-leading architecture for scalable and fault-tolerant databases. RAC allows you to scale up and down by simply adding and subtracting inexpensive Linux servers. Redundancy provided by those multiple, inexpensive servers is the basis for the failover and other fault-tolerance features that RAC provides. Written by authors well-known for their talent with RAC, Pro Oracle Database 11g RAC on Linux gives you a rock-solid and technically flawless foundation on which to build your RAC-management skills. Authors Julian Dyke and Steve Shaw share their hard-won experience in building RAC clusters, showing you how to build for success using the very latest Oracle technologies, such as Automatic Storage Management (ASM) and Oracle Clusterware. Youll learn to troubleshoot performance and other problems. Youll even learn how to correctly deploy RAC in a virtual-machine environment based upon Oracle VM, which is the only virtualization solution supported by Oracle Corporation. RAC is a complex and powerful technology. It demands expertise in its deployment. You cant just wing it in creating a RAC solution. Julian and Steve have earned the right to term themselves expertin Pro Oracle Database 11g RAC on Linux, they offer a rigorous and technically-correct treatment of RAC that helps you build a solid foundation of expertise and achieve success. Rigorous and technically accurate content Complete coverage of RAC, from planning to implementation to rollout to ongoing maintenance and troubleshooting Up-to-date with the very latest RAC features What youll learn Plan the architecture for a successful RAC installation Implement failover and other fault-tolerant features Scale RAC clusters up and down as needed to achieve performance targets Consolidate RAC clusters using Oracles virtualization solution Manage RAC proactively so as to sleep well at night Troubleshoot and solve performance and availability problems Who this book is for Pro Oracle Database 11g RAC on Linux is written for Oracle Database Administrators who want to step up their skills to be equal to the task of managing Real Application Clusters.
Expert Oracle RAC 12cis a hands-on book helping you understand and implement Oracle Real Application Clusters (RAC), and to reduce the total-cost-of-ownership (TCO) of a RAC database. As a seasoned professional, you are probably aware of the importance of understanding the technical details behind the RAC stack. This book provides deep understanding of RAC concepts and implementation details that you can apply toward your day-to-day operational practices. Youll be guided in troubleshooting and avoiding trouble in your installation. Successful RAC operation hinges upon a fast-performing network interconnect, and this book dedicates a chapter solely to that very important and easily overlooked topic. All four authors are experienced RAC engineers with a wealth of hard-won experience encountering and surmounting the challenges of running a RAC environment that delivers on its promise. In Expert Oracle RAC 12cthey provide you a framework in which to avoid repeating their hard-won lessons. Their goal is for you to manage your own RAC environment with ease and expertise. Provides a deep conceptual understanding of RAC Provides best practices to implement RAC properly and match application workload Enables readers to troubleshoot RAC with ease What youll learn Know when to apply RAC, and when not to Design applications to take advantage of RAC Troubleshoot and solve clusterware problems Manage database backup and recovery in RAC Stay on top of locking issues and deadlock detection Harness the performance from parallel processing in RAC Support your RAC environment with a healthy network interconnect Who this book is for Expert Oracle RAC 12cis for experienced Oracle Database Administrators (DBAs) who are ready to take the next step in their career by expanding their skill set to include building and managing Oracle Real Application Clusters (RAC). DBAs and architects who are in the process of implementing RAC can immensely benefit from this book. Its an excellent choice for DBAs to learn RAC conceptually, understand best practices, and become experts in troubleshooting RAC problems. Table of Contents Overview of Oracle RAC Clusterware Management and Troubleshooting RAC Operational Practices RAC New Features Storage and ASM Practices Application Design Issues Managing and Optimizing a Complex RAC Environment Backup and Recovery in RAC Network Practices in RAC RAC Database Optimization Locks and Deadlocks Parallel Query in RAC Clusterware and Database Upgrades Oracle RAC One Node
“The Xen hypervisor has become an incredibly strategic resource for the industry, as the focal point of innovation in cross-platform virtualization technology. David's book will play a key role in helping the Xen community and ecosystem to grow.” ï¾Simon Crosby, CTO, XenSourceAn Under-the-Hood Guide to the Power of Xen Hypervisor InternalsThe Definitive Guide to the Xen Hypervisor is a comprehensive handbook on the inner workings of XenSource's powerful open source paravirtualization solution. From architecture to kernel internals, author David Chisnall exposes key code components and shows you how the technology works, providing the essential information you need to fully harness and exploit the Xen hypervisor to develop cost-effective, highperformance Linux and Windows virtual environments.Granted exclusive access to the XenSource team, Chisnall lays down a solid framework with overviews of virtualization and the design philosophy behind the Xen hypervisor. Next, Chisnall takes you on an in-depth exploration of the hypervisor's architecture, interfaces, device support, management tools, and internals-including key information for developers who want to optimize applications for virtual environments. He reveals the power and pitfalls of Xen in real-world examples and includes hands-on exercises, so you gain valuable experience as you learn.This insightful resource gives you a detailed picture of how all the pieces of the Xen hypervisor fit and work together, setting you on the path to building and implementing a streamlined, cost-efficient virtual enterprise.Coverge includes Understanding the Xen virtual architecture Using shared info pages, grant tables, and the memory management subsystem Interpreting Xen's abstract device interfaces Configuring and managing device support, including event channels, monitoring with XenStore, supporting core devices, and adding new device types Navigating the inner workings of the Xen API and userspace tools Coordinating virtual machines with the Scheduler Interface and API, and adding a new scheduler Securing near-native speed on guest machines using HVM Planning for future needs, including porting, power management, new devices, and unusual architectures
Clusters for High Availability: A Primer of HP Solutions
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26, 2014.] http://technet.microsoft.com/en-us/library/cc737532%28v=ws.10%29.aspx.
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Haas, Florian. EEUU : Linux Journal, 2012, Vol. 217.
High availability with the Distributed Replicated Block Device
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Jones, Tim. High availability with the Distributed Replicated Block Device. [Online]
2010. [Cited: 10 26, 2014.] http://www.ibm.com/developerworks/library/l-drbd/l-drbdpdf.pdf.
Using GNBD with Global File System
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