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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 AvailabilityMultimedia (View All Report Types)
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Get More Virtual: Protecting Microsoft Applications with Dell and VMware vSphere 4
sponsored by Dell, Inc.
WEBCAST: Watch this webcast to learn how to ensure application security and availability in your VMware environment. Discover how to provide quick recovery of applications and how to use automation for server application protection.
Posted: 20 Oct 2009 | Premiered: Oct 20, 2009

Dell, Inc.

Parallel Programming Talk - Dr. David Patterson on the future of Parallel Programming
sponsored by Intel Software Network
PODCAST: Join master of the parallel universe Clay Breshears and Aaron Tersteeg as they discuss parallel programming with a special guest. This episode features Dr. David Paterson, Director of the Universal Parallel Computing Research Center at UC Berkeley sponsored by Intel and Microsoft.
Posted: 28 Aug 2009 | Premiered: Jun 10, 2009

Intel Software Network

Dell EqualLogic PS Series Storage in VMware Environments
sponsored by Dell, Inc.
PRODUCT DEMO: View this step-by-step product demonstration to see how to implement a high performance, highly available, and easily scaled SAN without impacting applications or limiting performance as workloads change and grow.
Posted: 24 Aug 2009 | Premiered: 24 Aug 2009

Dell, Inc.

Hitachi IT Operations Analyzer Software
sponsored by Hitachi Data Systems
TRIAL SOFTWARE: Hitachi IT Operations Analyzer delivers all-in-one monitoring for the data center. A single interface provides a view to the availability and performance of servers and network and storage devices on a network. It eases troubleshooting without agents.
Posted: 19 Aug 2009 | Premiered: 01 Aug 2009

Hitachi Data Systems

Best TCO for Server Virtualization
sponsored by Citrix
PODCAST: Download this podcast and learn how Citrix virtualization solutions can dramatically simplify computing in your organization.
Posted: 16 Mar 2009 | Premiered: Mar 16, 2009

Citrix

HP BladeSystem with NonStop
sponsored by Hewlett-Packard Company
VIDEO: The new NonStop BladeSystem delivers double the performance in just half the footprint and it's 100% HP NonStop. Check out this webcast to learn about this first-ever standards-based 24/7 computing system built with bladed modularity.
Posted: 05 Feb 2009 | Premiered: 05 Feb 2009

Hewlett-Packard Company

HP Integrity NonStop BladeSystem
sponsored by Hewlett-Packard Company
VIDEO: Check out this webcast to learn about this first-ever standards-based 24/7 computing system built with bladed modularity.
Posted: 05 Feb 2009 | Premiered: 05 Feb 2009

Hewlett-Packard Company

BladeCenter HS 12 and JS 12 Video
sponsored by IBM
VIDEOCAST: Find out how the IBM BladeCenter HS12 and JS12 deliver availability, scalability and redundancy by watching this video.
Posted: 11 Sep 2008 | Premiered: Sep 11, 2008

IBM

Data De-duplication Experts
sponsored by Quantum Corporation
WEBCAST: Quantum's solutions allow data de-duplication technology to become part of a complete backup and retention solution set that also includes conventional disk backup, tape, and encryption, all supported with common management tools.
Posted: 20 Jun 2008 | Premiered: Jun 18, 2008

Quantum Corporation

Deploying Cisco Catalyst 6500 Virtual Switching 1440
sponsored by Cisco Systems, Inc.
WEBCAST: Today, high availability and real-time communications are absolute requirements for campus and data center networks.
Posted: 11 Jan 2008 | Premiered: Jan 23, 2008, 13:00 EST (18:00 GMT)

Cisco Systems, Inc.

Integrated disaster repsonse and built-in business continuity
sponsored by IBM Software Group
WEBCAST: Learn about the importance of building high availability capabilities into your organization's infrastructure and gain an understanding of the market trends, triggers and challenges many organizations are facing today.
Posted: 09 Jan 2008 | Premiered: Jan 9, 2008

IBM Software Group

IPCheck Server Monitor Version 5
sponsored by Paessler AG
SOFTWARE DEMO: With a bird's eye view IPCheck Server Monitor observes your network, servers, or applications and will notify you as soon as it detects a problem. If you don't hear from IPCheck Server Monitor you know that your business is running smoothly.
Posted: 10 Sep 2007 | Premiered: 29 Aug 2007

Paessler AG

Symantec Backup Execâ„¢ System Recovery 7.0
sponsored by Symantec Corporation
PRODUCT DEMO: Recover from system loss or disaster in minutes, not hours or days. Download this free trial today; a disk-based system recovery tool for bare metal restoration to dissimilar hardware, virtual environments or in remote locations.
Posted: 14 Aug 2007 | Premiered: 01 Aug 2007

Symantec Corporation

Duet Implementation: How to leverage SAP applications through your Microsoft Office Environment
sponsored by Duet for Microsoft Office and SAP
WEBCAST: Attend this Webcast to learn the various components that make up a Duet environment--a bridge between SAP applications and the Microsoft environment--as well as scalability and high availability options.
Posted: 15 May 2007 | Premiered: May 22, 2007, 13:00 EDT (17:00 GMT)

Duet for Microsoft Office and SAP

Enterprise Manager: Why experts rave about its Oracle DB management
sponsored by Oracle Corporation
WEBCAST: Attend this free Webcast to learn how Oracle Enterprise Manager can help you manage your database infrastructure more effectively.
Posted: 21 Mar 2007 | Premiered: Mar 29, 2007, 14:00 EDT (18:00 GMT)

Oracle Corporation

Using Oracle TimesTen to Accelerate Oracle Database - Webcast
sponsored by Oracle Corporation
WEBCAST: Attend this free Webcast to learn how Oracle TimesTen In-Memory Database is deployed as a cache for Oracle Database in order to accelerate enterprise applications that need to run in real-time.
Posted: 08 Mar 2007 | Premiered: Mar 15, 2007, 14:00 EDT (18:00 GMT)

Oracle 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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