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High Availability

ALSO CALLED: Highly Available Computing, Data Availability, HA, High-availability, and 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  … 
Definition continues below.


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SIP Trunking in the Next-Generation Contact Center
sponsored by Acme Packet
WEBCAST: This session will also explore some customer case studies to show how early adopters of SIP trunking in contact centers have successfully managed these issues, and examines some of the unexpected implementation challenges and benefits they've encountered.
Posted: 22 Dec 2008 | Premiered: Available On Demand
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Enterprise Storage Designed for Today's Needs and Tomorrow's Growth Using Dell/EMC CX4 Storage Arrays
sponsored by Dell/EMC UK
BROCHURE: The Dell/EMC CX4 storage arrays build on the CX reputation of flexibility, ease-of-use, and innovation, and are designed to greatly improve levels of performance and expandability. Learn more about it in this brochure.
Posted: 19 Dec 2008 | Published: 08 Aug 2008
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eGuide: Hyper-V - Microsoft's Approach to Server Virtualization
sponsored by Dell and Microsoft
EGUIDE: In this informative E-Guide learn specifically how Hyper-V is designed to meet high availability requirements, how this technology is being used at the hardware level, role of a 64-bit operating system with virtualization and more.
Posted: 17 Dec 2008 | Published: 17 Dec 2008
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MYSQL Database Scale-Out and Replication for High-Growth Businesses
sponsored by Sun Microsystems, Inc.
WHITE PAPER: This paper addresses the primary ways MySQL installations can scale to meet increasing user demands, while still providing the flexibility and ease of use that single installations offer.
Posted: 12 Dec 2008 | Published: 12 Dec 2008
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eGuide: Channel Success Story: Virtualization
sponsored by Dell PartnerDirect and Intel
EGUIDE: This E-Guide talks about the benefits for solutions providers in moving customers to a virtual environment and offers valuable, expert and practical advice to avoid pitfalls and to help your customers understand the true rewards of going virtual.
Posted: 11 Dec 2008 | Published: 11 Dec 2008
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Dell Storage Solutions Guide for Microsoft Hyper-V
sponsored by Dell, Inc.
WHITE PAPER: This guide primarily focused on storage arrays based on their support for key virtualization features, such as high availability and virtual machine migration.
Posted: 11 Dec 2008 | Published: 11 Dec 2008
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Dell and Microsoft Windows Server 2008
sponsored by Dell, Inc.
BROCHURE: Windows Server 2008 is designed to provide increased reliability and control over your server infrastructure.
Posted: 11 Dec 2008 | Published: 11 Dec 2008
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Dell Solutions Overview Guide for Microsoft Hyper-V
sponsored by Dell, Inc.
WHITE PAPER: This Solutions Overview Guide highlights Dell value propositions and provides an overview of Hyper-V, information on Dell hardware support for Hyper-V, and guidance on best practice information to implement Hyper-V in your environment.
Posted: 11 Dec 2008 | Published: 11 Dec 2008
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Dell High Availability Solutions Guide for Microsoft Hyper-V
sponsored by Dell and Microsoft
WHITE PAPER: This Dell High Availability Solutions Guide for Microsoft Hyper-V introduces different options to implement HA for Hyper-V environments.
Posted: 11 Dec 2008 | Published: 11 Dec 2008
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Dell Services for Microsoft Windows Server 2008 with Hyper-V
sponsored by Dell, Inc.
PRODUCT LITERATURE: Many organizations are turning to a virtual server infrastructure to help address common challenges of improving manageability and resource utilization. New ways are being sought to reduce the total cost of ownership of server infrastructure.
Posted: 11 Dec 2008 | Published: 11 Dec 2008
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Highly Available Virtualization With Microsoft Hyper-V and System Center Virtual Machine Manager 2008
sponsored by Dell, Inc.
PRODUCT LITERATURE: Combining Microsoft Hyper-V technology with SCVMM 2008 on Dell platforms can help organizations create highly available virtualized systems while offering simplified management, dynamic performance, and reduced costs.
Posted: 11 Dec 2008 | Published: 11 Dec 2008
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Dell Networking Solutions Guide for Microsoft Hyper-V
sponsored by Dell, Inc.
WHITE PAPER: This solutions guide details the four available networking configurations, and the advantages and disadvantages of each with an emphasis on typical Dell system configuration and the hardware offerings.
Posted: 11 Dec 2008 | Published: 11 Dec 2008
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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: 11 Dec 2008 | Published: 11 Dec 2008
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Replay appImage 2.1
sponsored by AppAssure Software
TRIAL SOFTWARE: Replay appImage continuously images any Windows server for complete backup and recovery.
Posted: 11 Dec 2008 | Published: 11 Dec 2008
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Backing Up VMware Data for Disaster Recovery
sponsored by VMware, Inc.
VIDEO: Watch this videocast for expert tips to improve your DR plan with VMware server virtualization. You'll learn how to replicate and mirror VMware data, gain insight on special storage considerations for VMware DR, and more.
Posted: 10 Dec 2008 | Premiered: 09 Dec 2008
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Oracle Real Application Clusters 11g
sponsored by Oracle Corporation
WHITE PAPER: This paper explains how Oracle Real Application Clusters (RAC) allows Oracle Database to run any packaged or custom application, unchanged across a set of clustered events.
Posted: 09 Dec 2008 | Published: 09 Dec 2008
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Oracle Data Guard 11g: The Next Era in Data Protection and Availability
sponsored by Oracle Corporation
WHITE PAPER: Read this paper to learn how Oracle Data Guard 11g redefines what users should expect from a disaster recovery solution.
Posted: 09 Dec 2008 | Published: 09 Dec 2008
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Reducing Downtime with Oracle Database 11g
sponsored by Oracle Corporation
WEBCAST: View this brief webcast to see how IT stakeholders-- from CTOs to Project Managers to Senior DBAs-- rely on the Oracle architecture to provide proven high availability.
Posted: 09 Dec 2008 | Premiered: Available On Demand
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Hancock Bank
sponsored by VMware, Inc.
CASE STUDY: Hancock Bank needed a cost-effective way to provide rapid, reliable disaster recovery so they used VMware Infrastructure which enabled them to recover critical systems within its 24-hour recovery objective while reducing costs.
Posted: 05 Dec 2008 | Published: 05 Dec 2008
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Denver Health
sponsored by VMware, Inc.
CASE STUDY: Denver Health's challenge was to ensure cost-effective business continuity and disaster recovery capabilities so they implemented VMware technology with LeftHand Networks SAN technology to create a simple but powerful disaster recovery solution.
Posted: 05 Dec 2008 | Published: 05 Dec 2008
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Sun Storage 7000 Series Family: Radical Simplicity Combined with Breakthrough Price/Performance
sponsored by Sun Microsystems, Inc.
DATA SHEET: The Sun Storage 7000 Series family helps simplify storage deployment and management with its unprecedented easy-to-use management interface, DTrace Analytics software, and self-healing capabilities.
Posted: 04 Dec 2008 | Published: 04 Dec 2008
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Cost-Effective Alternatives for Supporting Mission-Critical Oracle Databases
sponsored by Database Specialists
WHITE PAPER: By partnering with a Remote DBA services firm, you can augment your database management team and upgrade your level of service in a cost effective manner with a firm that provides you with the services of certified Oracle professionals.
Posted: 04 Dec 2008 | Published: 04 Dec 2008
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Solaris 10 Operating System Innovation Matters-Increase Business Efficiency and Lower Costs
sponsored by Sun Microsystems, Inc.
WHITE PAPER: The Solaris OS is the strategic platform for today's demanding enterprise and is the only open operating system that has delivered proven results, running everything from mission-critical enterprise databases to high performance Web farms.
Posted: 02 Dec 2008 | Published: 27 Nov 2008
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Six Years after 9/11, Most Firms Are Not Ready for Another Disaster
sponsored by Compellent
WHITE PAPER: Despite the devastating disasters and disruptions as 9/11, the European floods of 2005, and Hurricane Katrina, there is still significant room for improvement when it comes to enterprise disaster recovery preparedness.
Posted: 26 Nov 2008 | Published: 26 Nov 2008
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"Hurricane-Proof" Data Protection
sponsored by Compellent
WHITE PAPER: This white paper examines how a construction company created seamless disaster recovery access between two locations while simplifying storage administration.
Posted: 26 Nov 2008 | Published: 26 Nov 2008
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1 - 25 of 121 Matches
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HIGH AVAILABILITY DEFINITION (continued): …  for a system or product is known as "five 9s" (99.999 percent) availability.

Since a computer system or a network 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 … 
High Availability definition sponsored by SearchDataCenter.com, powered by WhatIs.com an online computer dictionary



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