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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  … 
Definition continues below.
High AvailabilityWhite Papers (View All Report Types)
76 - 100 of 318 Matches Previous Page  | Next Page
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

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.

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

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

7 Ways to Manage Rapid Patient Data Growth
sponsored by Dell Compellent
WHITE PAPER: This white paper discusses seven ways healthcare IT teams can use Dell Compellent Fluid Data storage to drive efficiency, ensure high availability and protection, and readily adapt to constant change.
Posted: 10 May 2011 | Published: 30 Jul 2010

Dell Compellent

HP E5000 Messaging System for Microsoft Exchange Server 2010
sponsored by HP and Microsoft
WHITE PAPER: Email, voicemail, instant messaging, social networking, messages, faxes, shared calendars, and centralized contacts are all essential for boosting productivity and collaboration. Email has evolved from more than just text. Many would find the situation daunting, but smart organizations know the solution. Read this white paper to learn more.
Posted: 25 Apr 2011 | Published: 25 Apr 2011

HP and Microsoft

The Economics of Cooperative Control – Protocols are Free
sponsored by Aerohive Networks
WHITE PAPER: Instead of regurgitating an architecture where costly, centralized controllers are needed, Aerohive followed the original intent of the 802.11 standard designers more closely and brought the technology to maturity. This paper explores how inter-AP protocols can execute the same functions performed by centralized controllers with lower cost.
Posted: 01 Apr 2011 | Published: 30 Mar 2011

Aerohive Networks

Business Risk and the Midsize Firm: What Can Be Done to Minimize Disruptions?
sponsored by HP & Intel®
WHITE PAPER: While it is clear that midsize businesses must prepare for disasters just as larger enterprises do, very few have actually taken action. What are the critical steps for disaster preparedness? Read this paper for that information.
Posted: 21 Mar 2011 | Published: 21 Mar 2011

HP & Intel®

Transparent Application Scaling with IBM DB2 PureScale
sponsored by IBM
WHITE PAPER: With IBM DB2 pureScale transparent application scaling, you can transparently add capacity to your network to handle fluctuations in demand without changing the application. pureScale technology also helps to deliver active-active high availability. Find out how these features work. 
Posted: 15 Mar 2011 | Published: 15 Mar 2011

IBM

Enhancing Exchange Server 2010 Availability with Neverfail: Best Practices for Simplifying and Automating Email Continuity
sponsored by Neverfail Group Limited
WHITE PAPER: This white paper provides an overview of the availability features in Microsoft’s Exchange Server 2010 platform. Details include planning, migration, and cost-related considerations. The paper also includes details on how Neverfail’s technology can help IT organizations build an efficient, manageable, and cost-effective messaging infrastructure.
Posted: 15 Feb 2011 | Published: 15 Feb 2011

Neverfail Group Limited

Taking a Business Centric Approach to Service Level Compliance
sponsored by Neverfail Group Limited
WHITE PAPER: This paper discusses why it is imperative that Service Level Agreements (SLA) are defined from a business centric perspective and that the most appropriate solution is employed, to ensure that service availability can be delivered enabling compliance with the SLA.
Posted: 14 Feb 2011 | Published: 14 Feb 2011

Neverfail Group Limited

Eliminating End User and Application Downtime:  Protecting Mission-Critical Multi-Tier Business Applications with Neverfail and Virtualization
sponsored by Neverfail
WHITE PAPER: This white paper outlines many of the common deployment scenarios that such organizations face and describes how Neverfail Continuous Availability and virtualization can be used to deliver a more complete, consistent and cost effective availability solution for mission-critical, business applications.
Posted: 17 Jan 2011 | Published: 17 Jan 2011

Neverfail

Leveraging Clustered File System Software to Deliver Superior Application Availability
sponsored by Symantec Corporation
WHITE PAPER: Transactional application availability is more important than ever to businesses in a globalized economy. This Vendor Spotlight examines the various architectural approaches to ensuring application uptime and availability, particularly a clustered file system approach with clustered services.
Posted: 28 Dec 2010 | Published: 28 Dec 2010

Symantec Corporation

Virtualizing Business-Critical Applications With Confidence
sponsored by Symantec Corporation
WHITE PAPER: Within any business, a number of applications exist that are critical to the success of the business. As a result, these applications and the systems they run on require a higher level of availability. The trade off with increasing application availability is an additional cost in terms of redundant hardware and complexity.
Posted: 27 Dec 2010 | Published: 27 Dec 2010

Symantec Corporation

Oracle Database 11g Release 2 High Availability
sponsored by Oracle Corporation
WHITE PAPER: Read this white paper to learn about how Oracle Database 11g Release 2 protects your business from all common causes of unplanned downtime and planned downtime, including human error.
Posted: 20 Dec 2010 | Published: 20 Dec 2010

Oracle Corporation

Disaster Recovery with ETERNUS DX – The Data Safe – and VMware SRM
sponsored by Fujitsu America, Inc.
WHITE PAPER: This paper shows the way to protect data and business, where hardware is only one factor. The other factor is the proof that in a worst case scenario the protection works well. The challenge is to test that protection in near real-life situations but without impact on business production.
Posted: 06 Dec 2010 | Published: 06 Dec 2010

Fujitsu America, Inc.

Building a Highly-Available Enterprise Network with Juniper Networks EX Series Ethernet Switches
sponsored by Juniper Networks, Inc.
WHITE PAPER: Globalization and network convergence are driving the need for non-stop operations. Juniper Networks EX Series Ethernet Switches are designed for 99.999% uptime.
Posted: 23 Nov 2010 | Published: 22 Nov 2010

Juniper Networks, Inc.

VMware and Dell Solutions for Small to Medium Business: Ensuring Rapid, Reliable and Affordable Disaster Recovery
sponsored by Dell and VMware
WHITE PAPER: Affordable high availability and disaster recovery solutions are critical to the survival of all SMBs in the event of a disaster. Building on years of helping SMBs protect their information, VMware and Dell provide cost-effective and robust data protection, disaster recovery, and high availability solutions.
Posted: 22 Nov 2010 | Published: 22 Nov 2010

Dell and VMware

Email as Part of a Business Continuity Strategy: Why always-on-business requires always-on-email
sponsored by Mimecast
WHITE PAPER: The paper looks at the general approaches available to ensure email continuity from a high level and the implications of deploying each strategy on infrastructure, budget, people and resilience.
Posted: 22 Nov 2010 | Published: 22 Nov 2010

Mimecast

Getting Started with Microsoft Windows Server 2008 Hyper-V on Dell Servers
sponsored by Dell and Microsoft
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: 19 Nov 2010 | Published: 19 Nov 2010

Dell and Microsoft

Virtualizing Business-Critical Applications With Confidence
sponsored by Symantec Corporation
WHITE PAPER: Within any business, a number of applications exist that are critical to the success of the business. As a result, these applications and the systems they run on require a higher level of availability. The trade off with increasing application availability is an additional cost in terms of redundant hardware and complexity.
Posted: 15 Nov 2010 | Published: 15 Nov 2010

Symantec Corporation
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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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