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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 AvailabilityIT Downloads (View All Report Types)
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IBM SmartCloud Virtualized Server Recovery Portal Demo
sponsored by IBM
PRODUCT DEMO: This video provides a quick tour of how one virtual, cloud-based DR tool works. View now to discover the benefits it provides.
Posted: 16 Jul 2013 | Premiered: 08 Feb 2013

IBM

HP Operations Infrastructure Smart Plug-ins 1.6 Evaluation, including Virtualization SPI
sponsored by Hewlett-Packard Company
TRIAL SOFTWARE: HP Operations Infrastructure Smart Plug-ins 1.6 Evaluation, including Virtualization SPI,provides out-of-thebox functionality, in the form of pre-configured policies with rules and threshold values, for managing all aspects of a virtualized environment. Download your trial now.
Posted: 07 Oct 2010 | Premiered: 07 Oct 2010

Hewlett-Packard Company

NNMi for Windows
sponsored by Hewlett-Packard Company
TRIAL SOFTWARE: Manage fault, availability, performance and advanced network services for your physical and virtualized network infrastructure. View details of this trial software.
Posted: 07 Oct 2010 | Premiered: 07 Oct 2010

Hewlett-Packard Company

Replay 4 Backup and Disaster Recovery Software for Windows Application Servers
sponsored by AppAssure Software, Inc.
TRIAL SOFTWARE: Replay 4 completely eliminates backup windows by taking continuous snapshots of your Windows application servers, with just a 1-2% performance hit.  Recover from any server outage in 15 minutes or less and use 80% less storage space for your backups.
Posted: 19 Aug 2010 | Premiered: 19 Aug 2010

AppAssure Software, Inc.

CA ARCserve Replication r15 and CA ARCserve High Availability r15 Evaluation Software
sponsored by arcserve
SOFTWARE DOWNLOAD: CA ARCserve® Replication offers continuous data protection to complement any backup solution. This software trial includes all Replication and High Availability features for your convenience and testing. Download now.
Posted: 28 Jun 2010 | Premiered: 28 Jun 2010

arcserve

Hitachi IT Operations Analyzer Software
sponsored by Hitachi Data Systems
SOFTWARE DOWNLOAD: 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: 13 Nov 2009 | Premiered: 12 Nov 2009

Hitachi Data Systems

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

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 Exec™ 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
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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 … 
High Availability definition sponsored by SearchDataCenter.com, powered by WhatIs.com an online computer dictionary

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