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High Availability

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ALSO CALLED: Highly Available Computing, Data Availability, HA, High-availability, Availability
DEFINITION: In information technology, high availability refers to a system or component that is continuously operational for a desirably long length of time. Availability can be measured relative to "100% operational" or "never failing." A widely-held but difficult-to-achieve standard of availability for a system or product is known as "five 9s" (99.999 percent) availability.Since a computer system or a network  … 
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High AvailabilityReports
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Beating web application security threats
sponsored by SearchSecurity.com
EGUIDE: Application security plays an important role in ensuring the accuracy and confidentiality of data, yet at times teams may fear that security can interfere with overall performance. Read this e-book for tips that discuss the value of application security and explain how to implement it to ensure the highest availability and usability.
Posted: 14 Nov 2011 | Published: 31 Oct 2011

SearchSecurity.com

Maximizing Data Center Efficiency, Capacity and Availability through Integrated Infrastructure
sponsored by Emerson Network Power
WHITE PAPER: Access this exclusive resource to get best practices on addressing the typical infrastructure challenges facing today’s data center managers. Discover how an integrated infrastructure can address an organization’s unique business needs while increasing efficiency, ensuring availability and reducing cost of deployment or ownership.
Posted: 07 Jul 2011 | Published: 07 Jul 2011

Emerson Network Power

E-Guide: Selecting Server Hardware for SQL
sponsored by Dell and Microsoft SQL
EGUIDE: Read this expert e-guide to discover the hottest in high-performance SQL Server hardware, including a new breed of technologies that can provide multiprocessor power to SQL Server on multiple hosts. Find tips and best practices for choosing server hardware for both virtual and non-virtual SQL environments.
Posted: 09 Feb 2012 | Published: 30 Jan 2012

Dell and Microsoft SQL

Exchange Insider Ezine Volume 12
sponsored by SearchExchange.com
EZINE: Using features like VMware vSphere High Availability and distributed resource scheduler will ensure that Exchange achieves as much uptime as possible and performs at optimal levels.
Posted: 24 Jan 2012 | Published: 23 Jan 2012

SearchExchange.com

Boeing Commercial Aviation Services IT performance, availability, customer satisfaction soars
sponsored by Hewlett-Packard Company
WHITE PAPER: This case study details how Boeing's Commercial Aviation Services division leveraged application performance management (APM) tools to improve availability of business critical applications; empower application teams to take ownership of system availability and performance; streamline business processes; and lower costs.
Posted: 22 Dec 2011 | Published: 31 Aug 2010

Hewlett-Packard Company

Introduction to Virtualisation E-Book Chapter 2: Integrating High Availability Tactics into a Virtual Infrastructure
sponsored by VMware and NetApp
EBOOK: This chapter outlines high-availability methods you can use to protect production workloads running in a virtual environment. Get advice to help you decide on the right HA strategy and obtain detailed information on working with single-site and multi-site clusters as well as guest failover clustering.
Posted: 13 Dec 2011 | Published: 13 Dec 2011

VMware and NetApp

Dynamic Routing Architecture
sponsored by Progress
WHITE PAPER: Read this paper to find out how dynamic routing architecture (DRA) optimizes communications beyond clustering in complex, distributed topologies to enable easier scaling and greater agility in changing the IT environment to meet changing business needs and market conditions.
Posted: 28 Nov 2011 | Published: 28 Nov 2011

Progress

High Availability and Load Balancing
sponsored by Progress
WHITE PAPER: This paper, the third in a series on enterprise data integration, examines how "connection-weighted load balancing" provides fast, reliable, highly available cluster processing.
Posted: 28 Nov 2011 | Published: 31 Dec 2010

Progress

Virtual Fabrics Provide Administrative Flexibility in a Shared Storage Environment
sponsored by Brocade
WHITE PAPER: Learn about a technology that enables you to better manage your SAN assets by creating logical groups of separately managed devices, ports, and switches within your SAN - all without disrupting existing environments.
Posted: 21 Nov 2011 | Published: 30 Jan 2009

Brocade

Top five considerations for small and midsize businesses looking to deploy virtual desktops
sponsored by Citrix
WHITE PAPER: This paper examines the top 5 VDI considerations from an SMB point of view, recognizing the unique resource and budget constraints, and compare approaches that will help you select the best solution for your organization. View now to explore how you can cut operational costs and improve worker productivity by implementing virtual desktops. 
Posted: 31 Oct 2011 | Published: 31 Oct 2011

Citrix

Business Continuity for SAP on System Z
sponsored by IBM
EBOOK: Read this e-book to learn how to fully automate the management of all SAP components and related products running on z/OS, AIX®, or Linux®. The automation software monitors all resources and controls the restart and/or takeover of failing components, thereby ensuring near continuous availability of the SAP system.
Posted: 10 Oct 2011 | Published: 31 Oct 2008

IBM

Oracle x86 Rack Servers Optimized for Rapid Deployments and Operational Efficiency
sponsored by Oracle Corporation
WHITE PAPER: This white paper reveals key factors to consider when selecting a server and explains why more and more organizations are relying on x86 platforms. Access key findings from your peers concerning their spending on servers, power and cooling expenses, and more.
Posted: 07 Oct 2011 | Published: 01 Feb 2011

Oracle Corporation

VDI: Benchmarking Paper
sponsored by DataCore Software Corporation
WHITE PAPER: This paper reports on efficient configurations for Virtual Desktops (VDs) which reduce the total hardware cost and improve the storage infrastructure. Check it out to learn more about topics, including virtualisation, optimisation, and high availability.
Posted: 19 Sep 2011 | Published: 19 Sep 2011

DataCore Software Corporation

Business Benefits of Application Delivery
sponsored by Citrix
WHITE PAPER: This white paper discusses four goals that companies must strive to meet and highlights a Web application delivery controller that can assist them in the process. Access a comprehensive overview of this technology and its key benefits.
Posted: 06 Sep 2011 | Published: 06 Sep 2011

Citrix

Caritas Christi Health Care cuts power usage by 50% while providing high availability using Dell servers with Intel Xeon processors
sponsored by Dell, Inc.
WHITE PAPER: Caritas Christi Health Care used an information system to manage patient information, but its legacy hardware put the organization at risk of downtime, and the high-maintenance systems could no longer support growth. Find out how the healthcare facility selected an IT infrastructure that allowed for greater availability and EHR implementation.
Posted: 22 Aug 2011 | Published: 22 Aug 2011

Dell, Inc.

Raleigh Leadership Data Center
sponsored by IBM
VIDEOCAST: Are you looking for a cost-effective solution that will integrate your IT infrastructure and data centers, and that will manage information intelligently? Watch this series of videocasts to learn about the Raleigh Leadership Data Center, a state-of-the-art facility built and managed for flexible growth and unpredictable computing demands.
Posted: 15 Aug 2011 | Premiered: Aug 15, 2011

IBM

IT Service Excellence
sponsored by BMC-Accenture
WHITE PAPER: This white paper provides insight into the relationship between service management and performance. Discover the key attributes of service excellence and the results you can achieve by implementing a lifecycle-based approach.
Posted: 11 Aug 2011 | Published: 11 Aug 2011

BMC-Accenture

The Costs and Implications of EHR System Downtime on Physician Practices
sponsored by Stratus Technologies
WHITE PAPER: The paper includes calculations showing the cost of downtime expected for a given level of EHR solution uptime in practices of various sizes, as well as products associated with specific uptime levels. The report also includes a “cost per hour” tool that estimates the financial impact of downtime in practices they administer, oversee or assist.
Posted: 11 Aug 2011 | Published: 11 Aug 2011

Stratus Technologies

Myth Busted: Affordable, Easy to Manage Virtualization with High-Availability is a Reality
sponsored by Stratus Technologies
WHITE PAPER: SMBs want to take advantage of the benefits of virtualization but it can be costly to manage if they do not have the required skills in-house. Dan Kusnetzky takes a deep look at all of the benefits as well as the issues these businesses are facing, including the requirement to use automated systems, reducing complexity and maintaining availability.
Posted: 11 Aug 2011 | Published: 11 Aug 2011

Stratus Technologies

IBM SmartCloud Email Management Express: Help protect critical email communication through advanced email management service options
sponsored by IBM
DATA SHEET: How your organization handles planned and unplanned email outages can mean the difference between business-as-usual and serious damage to your overall productivity, profitability and reputation. This data sheet describes how IBM can help you protect, archive and manage your mission-critical data and applications.
Posted: 11 Aug 2011 | Published: 11 Aug 2011

IBM

VMware vSphere™ 4.1 and the Intel® Xeon® Processor E7 Family
sponsored by Intel
PRODUCT OVERVIEW: This solution brief provides a reference architecture to help clients navigate their virtualization projects. Discover a recommended configuration that delivers high performance, consolidation ratios, and availability to support your business-critical applications.
Posted: 03 Aug 2011 | Published: 02 Aug 2011

Intel

Tips for evaluating Microsoft Hyper-V
sponsored by Dell, Inc.
EGUIDE: This expert e-guide is designed to help IT pros assess the benefits of Hyper-V. Read about the advantages of Server Core and obtain tips and best practices for deployment success.
Posted: 01 Jul 2011 | Published: 30 Jun 2011

Dell, Inc.

Dell Microsoft Windows Server 2008 Hyper-V Reference Architecture
sponsored by Dell and Microsoft
WHITE PAPER: This paper proposes several sample virtualisation architectures based on Dell's server and storage products. Architectures are divided into three main categories: Small, Medium, and Large. These categories are based on the features and capacity of each product, as well as the complexity of the overall architecture.
Posted: 22 Jun 2011 | Published: 21 Jun 2011

Dell and Microsoft

The ABCs of CDP: What you need to know
sponsored by FalconStor Software
EGUIDE: The Storage Networking Industry Association (SNIA) defines CDP as "a class of mechanisms that continuously capture or track data modifications enabling recovery to previous points in time." In part two of this tutorial on continuous data protection backup, learn how CDP is being used today, and about the latest CDP products.
Posted: 17 Jun 2011 | Published: 17 Jun 2011

FalconStor Software

Presentation Transcript: Server Virtualization Disaster Recovery
sponsored by Dell Compellent
PRESENTATION TRANSCRIPT: Server virtualization has many benefits from the disaster recovery standpoint- not having to purchase physical infrastructure for DR being only the tip of the iceberg. Check out this brief, two page transcript of an interview with DR expert Pierre Dorion to learn more about potential benefits and pitfalls of server virtualization in DR.
Posted: 15 Jun 2011 | Published: 15 Jun 2011

Dell Compellent
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HIGH AVAILABILITY DEFINITION (continued): …  consists of many parts in which all parts usually need to be present in order for the whole to be operational, much planning for high availability centers around backup and failover processing and data storage and access. For storage, a redundant array of independent disks (RAID) is one approach. A more recent approach is the storage area network (SAN).Some availability experts emphasize that, for any system to be highly available, the parts of a system should be well-designed and thoroughly tested before they are used. For example, a new application program that has not been thoroughly tested … 
High Availability definition sponsored by SearchDataCenter.com, powered by WhatIs.com an online computer dictionary

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