Fault Tolerance ( Fault-tolerance, Fault Tolerant, and FT) Definition

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Jul 4, 2008

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Fault Tolerance

-- 9 Vendor Reports | 12 Products

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 …
Definition continues below.

Recent Vendor Reports on Fault Tolerance
Enhancing IT infrastructure availability with virtualization and fault tolerant servers sponsored by Marathon Technologies WEBCAST: Posted: 26 Jun 2008 \| When: Available On Demand SUMMARY: In this webcast, we discuss the ways organizations can improve the fault tolerance of their servers, new features in servers that improve fault tolerance, and best practices for keeping virtualized servers up and running. TOPICS: BASIC \| Best Practices \| Fault Tolerance \| Virtual Machine Monitor

Fast Enough Isn't Good Enough: Web Site Performance Metrics for the New Millennium sponsored by Gomez WHITE PAPER: Posted: 23 Apr 2008 \| Published: 01 Apr 2008 SUMMARY: The new concerns of internet users mean internet executives must now provide a lot more than providing acceptable page-load times. Discover the 3 primary dimensions of segmentation that influence Web site performance objectives. TOPICS: Downtime \| Fault Tolerance \| High Availability \| High Performance Computing \| RAS (Reliability, Availability, Serviceability) \| Systems Management

The Cost of Poor Performance: Why Customers Need External Performance Monitoring sponsored by Gomez WHITE PAPER: Posted: 23 Apr 2008 \| Published: 15 Apr 2008 SUMMARY: Discover the real costs of poor performance. Find out how much downtime costs monetarily and the areas that it affects most. TOPICS: Downtime \| Fault Tolerance \| High Availability \| High Performance Computing \| RAS (Reliability, Availability, Serviceability) \| Systems Maintenance

Automate Application Recovery sponsored by Storage Magazine JOURNAL ARTICLE: Posted: 23 Apr 2008 \| Published: 01 Apr 2008 SUMMARY: New automated application recovery products, geared toward SMBs, keep Exchange running 24/7. TOPICS: Clustering \| Data Recovery \| Data Replication \| Fault Tolerance \| High Availability \| Microsoft Exchange \| RPO \| RTO \| Storage Appliances \| Storage Replication

How Virtualization Raises the Bar for Hardware Availability sponsored by VMware and Stratus Technologies WHITE PAPER: Posted: 10 Apr 2008 \| Published: 01 Apr 2008 SUMMARY: Virtualization makes hardware more, not less, important. This document addresses the evolution of virtualization as well as how to address the availability challenges it presents. TOPICS: Data Center Management \| Fault Management \| Fault Tolerance \| High Availability \| Server Hardware \| Server Management \| Server Virtualization \| VMware

Real World SQL Implementations sponsored by Hewlett-Packard Company WHITE PAPER: Posted: 10 Apr 2008 \| Published: 01 Apr 2008 SUMMARY: Homeplans, part of Move, is a leading provider of pre-drawn home designs. This case study explains how Homeplans used HP PolyServe Software for Microsoft SQL Server to improve availability, decrease risk, and simplify administration. TOPICS: Database Administration \| Downtime \| Fault Management \| Fault Tolerance \| Patch Management \| Software Maintenance \| SQL \| SQL Server \| Storage Replication Software

Building a Virtual Infrastructure from Servers to Storage sponsored by NetApp WHITE PAPER: Posted: 17 Jan 2008 \| Published: 01 Oct 2006 SUMMARY: This technical report demonstrates how integrating Network Appliance technologies in a virtual infrastructure can solve the unique challenges inherent with ESX deployments in the areas of storage utilization, fault tolerance, and backups. TOPICS: Backups \| Data Recovery \| Disaster Recovery \| Fault Tolerance \| RAID \| Server Virtualization \| Storage Best Practices \| Storage Consolidation \| Storage Provisioning \| Storage Virtualization \| Storage Virtualization Software \| VMware

Continuous Data Protection System sponsored by Revivio, Inc. SOFTWARE DEMO: Posted: 19 Apr 2004 \| Published: 19 Apr 2004 SUMMARY: Revivio?s Continuous Protection System (CPS) is a groundbreaking approach to data protection and recovery that allows companies to restore data instantly, exactly as it existed at any point in time, and to recover business applications in just minutes. TOPICS: Continuous Data Protection \| Data Recovery \| Fault Tolerance \| High Availability \| Storage Appliances

Content Inspection Director: Complete Content Security sponsored by Radware DATA SHEET: Posted: 04 Mar 2004 \| Published: 01 Jan 2002 SUMMARY: Content Inspection Director (CID) centrally manages all best-of-breed content security tools, delivering fault tolerant, high performing and scalable Anti-Virus scanning, URL filtering and Anti-Spamming. TOPICS: Data Security \| Email Security Services \| Fault Tolerance \| Internet Filtering \| Network Security Hardware \| Secure Content Management \| Virus Protection

FAULT TOLERANCE DEFINITION (continued): … 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 …
Fault Tolerance definition sponsored by SearchCIO-Midmarket.com, powered by WhatIs.com an online computer dictionary

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