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| Nov 8, 2009 |
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IT Management >
Systems Operations >
Network Management >
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ALSO CALLED: Fault-tolerance, Fault Tolerant, and FT
DEFINITION: Fault-tolerant describes a computer system or component designed so that, in the event that a component fails, a backup component or procedure can immediately take its place with no loss of service. Fault tolerance can be provided with software, or embedded in hardware, or provided by some combination. In the software implementation, the operating system provides an interface that allows a programmer
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Definition continues below.
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Fault Tolerance White Papers
(View All Report Types)
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3 Matches
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Optimizing Citrix XenApp High Availability - A New Approach
sponsored by Marathon Technologies
WHITE PAPER:
Many businesses today are delivering applications to users as an on-demand service. This reduces the cost of application management and can improve application and data security. This white paper explores what availability really means, and how availability correlates to RTO and RPO baselines.
Posted: 10 Sep 2009 | Published: 10 Sep 2009
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Create Fault-Tolerant SQL Server 2008 Installations -- Rely on SQL Server 2008 Features to Protect Data
sponsored by Dell, Inc. and Intel
WHITE PAPER:
Read this paper to determine how best to protect your SQL environment when running SQL Server on Dell PowerEdge servers.
Posted: 01 Sep 2009 | Published: 01 Sep 2009
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Rack Powering Options for Data Centers and Network Rooms
sponsored by APC
WHITE PAPER:
Methods and requirements for providing electrical power to Rack Enclosures for Information Technology Equipment are described. The need for the rack power system to adapt to changing requirements is identified and quantified.
Posted: 31 Oct 2002 | Published: 31 Oct 2002
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FAULT TOLERANCE DEFINITION (continued): … Fault-tolerant describes a computer system or component designed so that, in the event that a component fails, a backup component or procedure can immediately take its place with no loss of service. Fault tolerance can be provided with software, or embedded in hardware, or provided by some combination. In the software implementation, the operating system provides an interface that allows a programmer to "checkpoint" critical data at pre-determined points within a transaction. In the hardware implementation (for example, with Stratus and its VOS operating system), the programmer does not need to be aware of the fault-tolerant capablilities of the machine. At a hardware level, fault tolerance is achieved by duplexing each hardware component. Disks are mirrored. Multiple processors are "lock-stepped" together and their outputs are compared for correctness. When an anomaly occurs, the faulty component is determined and taken out of service, but the machine continues to function as usual. Fault Tolerance definition sponsored by SearchCIO-Midmarket.com, powered by WhatIs.com an online computer dictionary
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