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RAID

ALSO CALLED: Array, R A I D Array, Storage Arrays, Arrays, RAID Array, Redundant Array of Inexpensive Disks, R A I D, Redundant Array of Independent Disks, and Disk Arrays
DEFINITION: What is RAID?

RAID (redundant array of independent disks; originally redundant array of inexpensive disks) is a way of storing the same data in different places (thus, redundantly) on multiple hard disks. By placing data on multiple disks, I/O (input/output)  … 
Definition continues below.



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Worldwide Disk Storage Systems 2008-2012 Forecast: Content-Centric Customers -- Reshaping Market Demand
sponsored by Ocarina Networks
WHITE PAPER: This study provides a forecast of the worldwide disk storage systems market for 2008 2012 as well as discussion of assumptions and major market trends.
Posted: 19 Nov 2008 | Published: 19 Nov 2008
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Sharepoint E-zine Vol.4: Balancing SharePoint Governance
sponsored by SearchWinIT
EZINE: SharePoint has built-in features that allow site owners to create site maps without any custom coding at all.
Posted: 18 Nov 2008 | Published: 18 Nov 2008
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Atrato Design for Three Year Zero Maintenance
sponsored by Atrato, Inc.
WHITE PAPER: This article provides an overview of the Atrato system's unique approach to eliminate drive tending and minimize risk of data loss for a three-year operational lifetime.
Posted: 14 Nov 2008 | Published: 13 Nov 2008
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Comprehensive Data Protection and Disaster Recovery
sponsored by Dell | EqualLogic
WEBCAST: With the growth of virtual server deployments come new challenges to effectively protect virtualized data sets. Traditional backup and recovery methods become less effective as the virtual infrastructure scales, creating the need for more scalable...
Posted: 10 Nov 2008 | Premiered: Available On Demand
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Integrating Dell Equallogic™ Sans with Citrix XENSERVER: Realizing Virtualization's Full Potential
sponsored by Dell | EqualLogic
WHITE PAPER: XenServer enables consolidation of server and other infrastructure resources, by combining servers and storage into resource pools that can be apportioned to the applications with the highest business need.
Posted: 10 Nov 2008 | Published: 10 Nov 2008
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Business Value of Virtualized IT - Ensuring That Your Virtualized Servers and Storage Work in Harmony
sponsored by Citrix
WHITE PAPER: In this paper, IDC examines how implementing a virtualized network storage environment ensures that organizations can maximize the benefits of server virtualization.
Posted: 29 Oct 2008 | Published: 01 Jul 2008
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Connected Backup for PC
sponsored by Iron Mountain Digital
WHITE PAPER: Iron Mountain's Connected Backup for PC solution eliminates the risk of data loss from enterprise desktops and laptops by automatically backing up data in the background, this solution ensures complete data protection without interrupting users.
Posted: 29 Oct 2008 | Published: 29 Oct 2008
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Minimize Risk with Sun StorageTek T1000b Tape Drive
sponsored by Sun StorageTek
VIDEOCAST: The Sun StorageTek T1000KB tape drive delivers the industry's highest capacity, making it ideal for 24x7 datacenter operations requiring high duty cycle data storage and retrieval.
Posted: 24 Oct 2008 | Premiered: 23 Oct 2008
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Tape Efficiencies
sponsored by Sun StorageTek
VIDEOCAST: The Sun StorageTek T10000B tape drive delivers the industry's highest capacity, making it ideal for 24x7 datacenter operations requiring high duty cycle data storage and retrieval.
Posted: 24 Oct 2008 | Premiered: 23 Oct 2008
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1TB Tape Drive
sponsored by Sun StorageTek
VIDEOCAST: In this videocast Thomas Wultich explains how the industry's first 1 TB tape drive can help drive efficiencies, protect your investment, minimize risk, and ensure data protection.
Posted: 24 Oct 2008 | Premiered: 23 Oct 2008
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Advanced Backup School I
sponsored by Sun StorageTek
WEBCAST: In part one of this webcast, W. Curtis Preston will deconstruct the common backup system and point out the mistakes that may be hampering your backup operations.
Posted: 23 Oct 2008 | Premiered: Available On Demand
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ESG LAB VALIDATION REPORT Exanet ExaStore Clustered NAS Performance
sponsored by Exanet
WHITE PAPER: This report explores how scale-out ExaStore clustered NAS systems deliver SAN levels of performance with the ease of management and the lower cost of NAS.
Posted: 15 Oct 2008 | Published: 15 Oct 2008
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Managing SharePoint in an Enterprise Environment
sponsored by Global Knowledge
WHITE PAPER: Microsoft Office SharePoint Server 2007 and other SharePoint technologies are excellent tools for a modern, web-based office environment. This white paper gives pointers on managing them.
Posted: 14 Oct 2008 | Published: 11 Oct 2008
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Virtualization Trends, Options, and Adoption
sponsored by Global Knowledge
WHITE PAPER: There is increasing pressure to do more with less. The keys to approaching virtualization are understanding how to unravel the complexity and planning a virtualization adoption program. This white paper demystifies virtualization as a concept.
Posted: 14 Oct 2008 | Published: 11 Oct 2008
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LSI Extends Its Storage Virtualization Manager
sponsored by LSI Corporation
WHITE PAPER: SVM is storage area network (SAN) software that runs on standard 1U Windows servers and provides virtual volume management in heterogeneous environments.
Posted: 14 Oct 2008 | Published: 14 Oct 2008
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The Cisco MDS 9000 8-GB SAN Solutions - An Overview
sponsored by Cisco Systems, Inc.
SOFTWARE DEMO: The Cisco MDS 9000 8-GB SAN Solutions reinforces the Cisco commitment to full and seamless product interoperability and consistency, as it protects the investment, lower your TCO and reinforces the vision and value.
Posted: 08 Oct 2008 | Published: 08 Oct 2008
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Eliminate Tape Restores with TimeData CDP
sponsored by Double-Take Software
WHITE PAPER: Download this free whitepaper to discover new CDP software that provides a simple and cost-effective way to recover data to any point in time and resume workflow without the pain of recovering from tape.
Posted: 07 Oct 2008 | Published: 07 Oct 2008
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Microsoft Exchange Server 2003: Best Practices Data Storage Setup
sponsored by Dot Hill Systems Corp.
WHITE PAPER: This document is intended to be a starting point to tune and optimize the storage system within the Exchange environment.
Posted: 03 Oct 2008 | Published: 03 Oct 2008
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Internet Protocol & Fibre Channel in SANs
sponsored by Storage Decisions
WHITE PAPER: This document explains how Fibre Channel will continue to improve and be an important SAN technology.
Posted: 01 Oct 2008 | Published: 30 Sep 2008
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Making Virtual Backups Real
sponsored by Storage Decisions and Diligent Technologies Corporation
WHITE PAPER: This PowerPoint Presentation comes from a Storage Decisions session (New York 2008) that looked at the major server virtualization products and described the pros and cons of the various ways to back up and restore their data.
Posted: 01 Oct 2008 | Published: 01 Oct 2008
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Enabling Economically Viable Long-Term Disk-Based Data Protection
sponsored by Diligent Technologies Corporation
PRODUCT LITERATURE: Diligent's ProtecTIER platform is an enterprise-scale comprehensive data-protection solution that produces dramatic data reduction, allowing for an increase in the effective capacity of a given disk array of 25x or more.
Posted: 29 Sep 2008 | Published: 27 Sep 2008
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eGuide: Storage Virtualization - Help Your Customers Manage Growing Storage Demands While Boosting Your Services Revenue This Year
sponsored by Zenith Infotech
WHITE PAPER: This eGuide serves as a technology introduction to storage virtualization, and explores the areas where growing storage demands require attention.
Posted: 20 Sep 2008 | Published: 24 Sep 2008
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Data Loss = Big Money Loss
sponsored by Iron Mountain Digital
WHITE PAPER: How do you now the data you store offsite is secure? This paper examines many of the issues you need to need to be aware of if you're considering using outside parties to house your sensitive data.
Posted: 19 Sep 2008 | Published: 19 Sep 2008
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Using HP StorageWorks All-in-One Storage System with VMware ESX Server Solution - Overview and Configuration Guide
sponsored by Hewlett-Packard Company
WHITE PAPER: This paper explains how HP StorageWorks All-in-One Storage System can be used as the storage repository for a VMware ESX server using iSCSI connectivity between the iSCSI initiator on the VMware server and the iSCSI Target built into the AiO.
Posted: 17 Sep 2008 | Published: 17 Sep 2008
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MD3000 and MD3000i: Array Tuning Best Practices
sponsored by Dell, Inc.
WHITE PAPER: This white paper provides an overall approach to tuning I/O performance and also provides specific guidelines for using the storage array tuning controls.
Posted: 17 Sep 2008 | Published: 16 Sep 2008
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RAID DEFINITION (continued): …  operations can overlap in a balanced way, improving performance. Since multiple disks increases the mean time between failures (MTBF), storing data redundantly also increases fault tolerance.

Ask your RAID questions at ITKnowledgeExchange.com

A RAID appears to the operating system to be a single logical hard disk. … 
RAID definition sponsored by SearchStorage.com, powered by WhatIs.com an online computer dictionary



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