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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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The Instant-On Enterprise: Business and Government white paper
sponsored by Hewlett-Packard Company
RESOURCE CENTER: Tomorrow’s leaders will be organizations that leverage technology to capitalize on rather than simply adapt to changing customer expectations.Access this white paper and find the three major business intelligence trends that are shaping the next generation of successful enterprises.
Posted: 27 May 2011 | Published: 27 May 2011

Hewlett-Packard Company

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

Best practices for a successful Exchange Server 2010 virtualization project
sponsored by VMware, Inc.
EGUIDE: Microsoft Exchange Server is one of the most mission-critical IT services for enterprises, and can mean major headaches when mail servers are down. Learn how to select and verify a hypervisor to avoid common high availability mistakes.
Posted: 10 May 2011 | Published: 10 May 2011

VMware, Inc.

Product Demonstration:  Dell EqualLogic PS Series Demonstration for SQL Server Protection and Rapid Recovery
sponsored by Dell, Inc.
WEBCAST: Join Dell for a one-hour live presentation and demonstration of the EqualLogic Auto-Snapshot Manager / Microsoft Edition. See how ASM/ME with Smart Copy functionality provides storage administrators comprehensive SQL Server database protection, rapid recovery and high availability.
Posted: 27 Apr 2011 | Premiered: Jul 13, 2011, 13:00 EDT (17:00 GMT)

Dell, Inc.

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

Presentation Transcript: Disaster Recovery Strategies for VMware Environments
sponsored by Dell and VMware
PRESENTATION TRANSCRIPT: In this presentation transcript, expert Mike Laverick reviews the different disaster recovery options available for VMware infrastructures. He covers VMware Site Recovery Manager, host-based replication technologies, stretching high-availability technologies across multiple sites, and scripting custom solutions using PowerCLI.
Posted: 15 Apr 2011 | Published: 15 Apr 2011

Dell and VMware

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

Intel IT Cloud Computing Roadmap
sponsored by Dell, Inc. and Intel®
VIDEO: In this video, you'll see how Intel IT's office and enterprise private cloud not only increases efficiency and agility, but also offers high availability without additional cost.
Posted: 23 Mar 2011 | Premiered: 23 Mar 2011

Dell, Inc. and Intel®

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

Computer Weekly - 7 February 2012: IT investment priorities
sponsored by Dell and Microsoft SQL
EZINE: In this week’s Computer Weekly, we examine exclusive research into the investment priorities of UK IT decision-makers, which shows virtualisation, Windows 7 and security as the top areas for spending this year. We analyse the changing nature of database architecture; and the BBC’s Chief Technology Officer talks about IT plans for the broadcaster.
Posted: 15 Mar 2011 | Published: 07 Feb 2012

Dell and Microsoft SQL

Expert Advice for Making the Move From Unix to Linux
sponsored by Red Hat and HP
EGUIDE: Once you know how to make a business case for migration, learn how to train your Unix staff to manage Linux environments. Find out about key differences between the two operating systems and provide your team with tactics for optimal backup and performance monitoring.
Posted: 24 Feb 2011 | Published: 23 Feb 2011

Red Hat and HP

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

Enterprise Integration: Patterns and Deployments with Apache ActiveMQ
sponsored by FuseSource
WEBCAST: ActiveMQ is the most popular messaging platform in use today. This webinar will explain some reoccurring messaging patterns that are used for application integration - and then see how they have been applied in large enterprise deployments with ActiveMQ.
Posted: 10 Feb 2011 | Premiered: Mar 1, 2011, 11:00 EST (16:00 GMT)

FuseSource

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

Presentation Transcript: Implementing Cloud Ready Data Management Strategy
sponsored by VMware, Inc.
PRESENTATION TRANSCRIPT: Today's modern, web applications require elasticity, scalability and flexibility. Learn how a cloud-ready approach to data management can help reduce database bottlenecks and improve application performance and availability. Read this presentation transcript and learn how to achieve high performance for your apps.
Posted: 14 Jan 2011 | Published: 14 Jan 2011

VMware, Inc.

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.

Calculate Your Savings with the Dynamic Provisioning Savings Calculator
sponsored by Hitachi Data Systems
ASSESSMENT TOOL: Provisioning storage from a virtual pool not only reduces administration costs by cutting the time to provision new storage, but also improves application availability by reducing the downtime needed for storage provisioning. Enter a few details about your storage environment to calculate your potential savings now.
Posted: 02 Dec 2010 | Published: 02 Dec 2010

Hitachi Data Systems

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

Advanced Virtualization E-Book: Essentials of High-Availability Planning
sponsored by Dell, Inc. and AMD
EBOOK: This e-book provides planning and testing tips for establishing high availability in a virtual environment, plus highlights effective management tools and procedures currently available.
Posted: 22 Nov 2010 | Published: 22 Nov 2010

Dell, Inc. and AMD
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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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