High availability IT services. (2015)

• Record Type: Book
• Further Information: Note: Terry Critchley.
• Authors: Critchley, Terry
• Contents: AN AVAILABILITY PRIMER; ; Preamble: A View from 30, 000 Feet; Do You Know. . .?; Availability in Perspective; Murphy’s Law of Availability Availability Drivers in Flux: What Percentage of Business Is Critical? Historical View of Availability: The First 7 × 24 Requirements?; Historical Availability Scenarios Planar Technology Power-On Self-Test Other Diagnostics Component Repair In-Flight Diagnostics; Summary; ; Reliability and Availability ; Introduction to Reliability, Availability, and Serviceability RAS Moves Beyond Hardware Availability: An Overview; Some Definitions Quantitative Availability Availability: 7 R’s (SNIA); Availability and Change Change All around Us Software: Effect of Change Operations: Effect of Change Monitoring and Change; Automation: The Solution? Data Center Automation Network Change/Configuration Automation Automation Vendors; Types of Availability Binary Availability Duke of York Availability Hierarchy of Failures Hierarchy Example State Parameters; Types of Nonavailability (Outages) Logical Outage Examples Summary; Planning for Availability and Recovery Why Bother? What Is a Business Continuity Plan? What Is a BIA? What Is DR?; Relationships: BC, BIA, and DR Recovery Logistics Business Continuity; Downtime: Who or What Is to Blame?; Elements of Failure: Interaction of the Wares; Summary; DR/BC Source Documents; ; Reliability: Background and Basics ; Introduction IT Structure—Schematic IT Structure—Hardware Overview; Service Level Agreements Service Level Agreements: The Dawn of Realism What Is an SLA? Why Is an SLA Important?; Service Life Cycle; Concept of User Service; Elements of Service Management Introduction Scope of Service Management User Support Operations Support Systems Management Service Management Hierarchy The Effective Service Services versus Systems Availability Concepts; First Dip in the Water Availability Parameters; Summary; ; What Is High Availability? ; IDC and Availability; Availability Classification Availability: Outage Analogy A Recovery Analogy Availability: Redundancy Availability: Fault Tolerance Sample List of Availability Requirements System Architecture Availability: Single Node Dynamic Reconfiguration/Hot Repair of System Components Disaster Backup and Recovery System Administration Facilities HA Costs Money So Why Bother? Cost Impact Analysis HA: Cost versus Benefit; Penalty for Nonavailability Organizations: Attitude to HA Aberdeen Group Study: February 2012 Outage Loss Factors (Percentage of Loss) Software Failure Costs Assessing the Cost of HA Performance and Availability HA Design: Top 10 Mistakes; The Development of HA Servers Systems and Subsystems Development Production Clusters; Availability Architectures RAS Features Hot-Plug Hardware Processors Memory Input/Output Storage Power/Cooling Fault Tolerance; Outline of Server Domain Architecture Introduction Domain/LPAR Structure; Outline of Cluster Architecture; Cluster Configurations: Commercial Cluster Cluster Components &amp
• Edition: 1st
• Publisher Details: Boca Raton : Auerbach
• Publication Date: 2015
• Extent: 1 online resource, illustrations (black and white)
• Subjects: 004.068; Computer service industry -- Management; Cloud computing; Virtual computer systems; Service-level agreements
• Languages: English
• ISBNs: 9781482255911
• Notes: Note: Description based on CIP data; item not viewed.
• Access Rights: Legal Deposit; Only available on premises controlled by the deposit library and to one user at any one time; The Legal Deposit Libraries (Non-Print Works) Regulations (UK).
• Access Usage: Restricted: Printing from this resource is governed by The Legal Deposit Libraries (Non-Print Works) Regulations (UK) and UK copyright law currently in force.