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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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Replication for Dummies
sponsored by Sybase, an SAP company
EBOOK: IT organizations face many data challenges. Data distribution rates and the quantity of data that consumers use is expanding exponentially in the global marketplace. Read this e-book to gain an understanding of the Sybase Replication Server and learn a series of best practices to consider when implementing a database replication strategy.
Posted: 08 Mar 2010 | Published: 05 Mar 2010

Sybase, an SAP company

Advanced Virtualization E-Book - Chapter 3: Essentials of High-Availability Planning
sponsored by Dell, Inc. and Intel®
EBOOK: Design, management and testing can make or break high availability in your virtual environment. Chapter 3 of this Advanced Virtualization E-Book discusses the essentials of high availability planning.
Posted: 05 Mar 2010 | Published: 05 Mar 2010

Dell, Inc. and Intel®

Doubling the Value of Virtualization with HP ProLiant G6 Servers and HP StorageWorks
sponsored by Hewlett-Packard Company
CASE STUDY: When Opus Interactive needed to provide customers with a cost-efficient, highly available pay-as-you-grow server and storage model, they turned to HP ProLiant server blades, the HP LeftHand P4000 SAN, and VMware. As a result there was 75% reduction in customer cost per server and higher availability.
Posted: 03 Mar 2010 | Published: 03 Mar 2010

Hewlett-Packard Company

Dell EqualLogic PS Series SAN Offer Robust, High Availability Infrastructure for Microsoft Windows Server 2008 R2 Hyper-V
sponsored by Dell and Microsoft
DATA SHEET: Dell™ EqualLogic™ PS Series storage area network (SAN) arrays offer a solid shared storage foundation for a virtualized data center that can enable organizations to take full advantage of the high-availability features included with Windows® Server 2008 R2 Hyper-V™.
Posted: 02 Mar 2010 | Published: 02 Mar 2010

Dell and Microsoft

Virtual Data Center E-Zine - Volume 20: Critical Decisions for Virtualization Storage
sponsored by SearchDataCenter.com
EZINE: More and more data centers are moving toward virtualization because of the flexibility it offers, but cost and lack of skills are holding back some deployments. Find out how to use ROI and VARs to make the case for virtualization so you can start taking advantage of today's newest technologies.
Posted: 02 Mar 2010 | Published: 02 Mar 2010

SearchDataCenter.com

CA ESP Workload Automation Software: Measuring Business Impact and ROI
sponsored by CA Technologies.
ANALYST REPORT: This IDC White Paper presents the results of an IDC study, sponsored by CA, to quantify the financial benefits of using CA ESP Workload Automation products.
Posted: 25 Feb 2010 | Published: 01 Sep 2009

CA Technologies.

Presentation Transcript: Helping IT Gain Efficiencies and Reduce Costs - Microsoft System Center
sponsored by Microsoft
PRESENTATION TRANSCRIPT: In this presentation transcript, experts Sacha Dawes and Kenon Owens discuss topics including best practices to monitor virtual and physical workloads, meet high availability needs, improve CMBD, asset management and integrating a self-managing solution to accelerate troubleshooting and problem resolution.
Posted: 24 Feb 2010 | Published: 23 Feb 2010

Microsoft

Webinar: Business Intelligence in the Cloud
sponsored by RightScale
WEBCAST: In this webinar, you will be introduced to the first business intelligence solution stack running on the cloud. This cutting-edge solution has been created by business intelligence industry leaders Jaspersoft, Talend and Vertica with the leader in cloud computing management, RightScale.
Posted: 24 Feb 2010 | Premiered: Feb 24, 2010

RightScale

Six Tips for Reducing Downtime in Travel and Transport
sponsored by Marathon Technologies
WHITE PAPER: Whether it's a security system, baggage handling application, order or vessel tracking downtime to applications supporting travel and transportation can throw off precisely timed schedules for travelers and shipments alike. This paper outlines six key tips for keeping travel and transportation logistics applications running without interruption.
Posted: 23 Feb 2010 | Published: 23 Feb 2010

Marathon Technologies

How Virtualization Cuts CDP Costs by 80%
sponsored by Veeam Software
WHITE PAPER: This white paper compares 3 different options of implementing CDP (continuous data protection) and shows how virtualization-enabled CDP - or Near-CDP - becomes the most affordable and most logical disaster recovery choice for businesses of all sizes.
Posted: 18 Feb 2010 | Published: 17 Feb 2010

Veeam Software

High Availability Solutions in Exchange Server 2007 That Eliminate the Need for Disaster Recovery
sponsored by Marathon Technologies
PRESENTATION TRANSCRIPT: In this transcript featuring Exchange expert Peter Bruzzese, learn how to utilize tools for high availability (HA) that can eliminate the need for disaster recovery in Exchange Server 2007 environments. Find out how to ensure optimal uptime, availability and recovery in your Exchange environment.
Posted: 15 Feb 2010 | Published: 15 Feb 2010

Marathon Technologies

Reducing IT Deployment Time, Labor, and Costs with Hyper-V™ and Dell
sponsored by Dell, Inc. and Intel®
WHITE PAPER: Microsoft® Windows Server® 2008 with Hyper-V™ offers virtualization capabilities that can help IT organizations reduce server deployment time and cut labor requirements and operating costs.
Posted: 11 Feb 2010 | Published: 11 Feb 2010

Dell, Inc. and Intel®

Presentation Transcript: Mission Critical Availability: Microsoft and HP Solutions for Disaster Recovery in Virtualized Environments
sponsored by HP and Microsoft
PRESENTATION TRANSCRIPT: This presentation transcript provides best practices for designing and deploying disaster recovery tools for critical applications. Discover how your organization can leverage these tools to improve availability and avoid costly downtime.
Posted: 05 Feb 2010 | Published: 28 Jan 2010

HP and Microsoft

High Availability for Desktop Virtualization
sponsored by Citrix
WHITE PAPER: This Implementation Guide shows how to provide high-availability, disaster recovery and business continuity to a XenDesktop environment. The document is divided into the following sections: local availablity, global availability, and disaster recovery/business continuity.
Posted: 01 Feb 2010 | Published: 26 Oct 2009

Citrix

Reliability Analysis of the APC Symmetra MW Power System
sponsored by APC by Schneider Electric
WHITE PAPER: MTechnology, Inc. (MTech) performed a quantitative reliability analysis of the APC Symmetra MW UPS. The study used techniques of Probabilistic Risk Assessment (PRA) to calculate the likelihood of over 680,000 potential failure modes.
Posted: 28 Jan 2010 | Published: 28 Jan 2010

APC by Schneider Electric

Dell High Availability Solutions Guide for Microsoft Hyper-V
sponsored by Dell, Inc.
WHITE PAPER: This Dell High Availability Solutions Guide for Microsoft Hyper-V introduces different options to implement HA for Hyper-V environments.
Posted: 28 Jan 2010 | Published: 11 Dec 2008

Dell, Inc.

Getting Started with Microsoft Windows Server 2008 Hyper-V on Dell Servers
sponsored by Dell, Inc.
WHITE PAPER: This article provides an introduction to Hyper-V virtualization, discusses the overall architecture and underlying technologies, and offers guidance on best practices for deployment on Dell PowerEdge servers.
Posted: 28 Jan 2010 | Published: 11 Dec 2008

Dell, Inc.

Disaster Got You Down?
sponsored by CDW Corporation
WHITE PAPER: The risks attached to not having a BC or DR plan are neither small nor cheap. Every good plan employs certain technologies and methodologies to limit the disruptiveness of an outage. CDW offers storage, power and networking specialists to assist with disaster recovery needs.
Posted: 27 Jan 2010 | Published: 27 Jan 2010

CDW Corporation

Presentation Transcript: Virtualization 101 - Part 4 High Availability
sponsored by Dell and VMware
PRESENTATION TRANSCRIPT: In this presentation transcript, learn how to ensure high availability (HA) to meet end user needs. Discover how virtualization software helps ensure optimal HA and get tips to plan for your high availability requirements. Find out how to combine virtualization software with servers and planning time to reach high levels of availability.
Posted: 25 Jan 2010 | Published: 03 Dec 2009

Dell and VMware

Presentation Transcript: Virtualization 101 - Part 3 The Many Applications of Virtualization
sponsored by Dell and VMware
PRESENTATION TRANSCRIPT: This presentation transcript explores several virtualization applications, and details 10 common use cases for virtualization and it can help your company improve their IT infrastructure. Discover how to enhance your disaster recovery and high availability plans without draining the IT budget.
Posted: 25 Jan 2010 | Published: 03 Dec 2009

Dell and VMware

Presentation Transcript: Virtualization 101 - Part 1 Virtualization Overview
sponsored by Dell and VMware
PRESENTATION TRANSCRIPT: In this presentation transcript, learn how virtualization can benefit your disaster recovery and high availability strategy. Discover the differences between physical and virtual environments and learn about architectural considerations to support virtualization.
Posted: 25 Jan 2010 | Published: 25 Nov 2009

Dell and VMware

Scaling Strategies for Mission-Critical Search Applications
sponsored by Vivisimo, Inc.
WHITE PAPER: This paper will discuss scaling strategies for building flexible, high performance and high availability solutions for mission-critical search applications that will be able to handle the sheer amount of data while securely crawling and indexing all data repositories.
Posted: 25 Jan 2010 | Published: 25 Jan 2010

Vivisimo, Inc.

Emerson Network Power Rack PDU Solutions: Rack Power Distribution for Critical IT Equipment
sponsored by Emerson Network Power
WHITE PAPER: Today's successful businesses depend on adaptable technologies to help them respond quickly to market demands. Emerson Network Power's portfolio of products provide innovative, flexible solutions that ensure reliability and efficiency.
Posted: 22 Jan 2010 | Published: 22 Jan 2010

Emerson Network Power

Liebert® CRV™ Row-Based Cooling: Intelligent Precision Cooling for Data Center Equipment
sponsored by Emerson Network Power
BROCHURE: In 2002, Emerson Network Power's Liebert XD family was the industry's first row-based cooling system. Now, we have taken more than 40 years of engineering experience and the most advanced technologies to design the Liebert CRV row-based precision cooling system. Learn the flexibility, TCO and availability benefits of their latest cooling solution.
Posted: 22 Jan 2010 | Published: 22 Jan 2010

Emerson Network Power

The Four Trends Driving the Future of Data Center Infrastructure Design and Management
sponsored by Emerson Network Power
WHITE PAPER: Today’s data center manager must maintain or improve availability in increasingly dense computing environments while reducing costs and increasing efficiency. Discover four distinct opportunities throughout the lifecycle of the data center to achieve efficiencies, boost availability and prepare for the future.
Posted: 21 Jan 2010 | Published: 21 Jan 2010

Emerson Network Power
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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 … 
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