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For many decades, IT infrastructure has provided the foundation for successful application deployments. Yet, general knowledge of infrastructures is not widespread. Experience shows that software developers, system administrators, and project managers usually have little knowledge of the large influence IT infrastructures have on the performance, availability and security of software applications. This book explains the concepts, history, and implementation of a robust and balanced IT infrastructure. Although many of books can be found on individual infrastructure building blocks, this is the first book to describe all of them: datacenters, servers, networks, storage, virtualization, operating systems, and end user devices. Whether you need an introduction to infrastructure technologies, a refresher course, or a study guide for a computer science class, you will find that the presented building blocks and concepts provide a solid foundation for understanding the complexity of today's IT infrastructures.
George Thompson was your average hard working man until he began experiencing life-changing dreams where shadow-like people are stalking him along with unexplainable incidents. The dreams seem so real; however, they could just be his imagination or possibly side effects caused by the sleeping pills his doctor prescribed him after his fathers death. The dreams and bizarre incidents are forcing him to seek for the truth before he goes insane; he must find out why these strange events are happening to him. He needs to find out if the shadows are real and what his life really means!
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This IBM® Redbooks® publication introduces a technical overview of the main new features, functions and enhancements available in IBM i 6.1 (formerly called i5/OS® V6R1). It gives a summary and brief explanation of new capabilities and what has changed in the operating system, and also discusses many of the licensed programs and application development tools associated with IBM i. Many other new and enhanced functions are described, such as virtualization of storage, security, JavaTM performance, improved performance with IBM System StorageTM devices, backup and recovery, including base IBM i, Backup, Recovery and Media Services (BRMS). The book introduces the PowerHATM product, IBM Systems Director-based system management and an easier Web enablement. The information provided in this book will be useful for customers, Business Partners, and IBM service professionals involved with planning, supporting, upgrading, and implementing IBM i 6.1 solutions.
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This IBM® RedpaperTM publication describes the adapter-based virtualization capabilities that are being deployed in high-end IBM POWER7+TM processor-based servers. Peripheral Component Interconnect Express (PCIe) single root I/O virtualization (SR-IOV) is a virtualization technology on IBM Power Systems servers. SR-IOV allows multiple logical partitions (LPARs) to share a PCIe adapter with little or no run time involvement of a hypervisor or other virtualization intermediary. SR-IOV does not replace the existing virtualization capabilities that are offered as part of the IBM PowerVM® offerings. Rather, SR-IOV compliments them with additional capabilities. This paper describes many aspects ...
This IBM Redbooks publication gives a broad understanding of the new System i5 architecture as it applies to logically partitioned System i5 systems. This functionality is delivered through a new configuration and management interface called the Hardware Management Console (HMC). Reading this book will help you design your server partition scheme from scratch. We also discuss the requirements to create a solution to migrate from existing iSeries servers with and without logical partitions. This book will help you install, tailor, and configure logical partitions (LPARs) on System i5 systems. You will understand how to set up the server and HMC via the Guided Setup Wizard. We also cover the creation of multiple i5/OS partitions, where the OS could be IBM i5/OS, AIX, or Linux.
This book explains the concepts, history, and implementation of IT infrastructures. Although many of books can be found on each individual infrastructure building block, this is the first book to describe all of them: datacenters, servers, networks, storage, operating systems, and end user devices. The building blocks described in this book provide functionality, but they also provide the non-functional attributes performance, availability, and security. These attributes are explained on a conceptual level in separate chapters, and specific in the chapters about each individual building block. Whether you need an introduction to infrastructure technologies, a refresher course, or a study guide for a computer science class, you will find that the presented building blocks and concepts provide a solid foundation for understanding the complexity of today's IT infrastructures. This book can be used as part of IT architecture courses based on the IS 2010.4 curriculum.