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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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Sun™ Storage J4000 Array Family Scalable, Reliable and Cost-effective Solutions for Open Storage Infrastructures
sponsored by Sun Microsystems, Inc.
DATA SHEET: The Sun Storage J4200 array provides high availability, cost-effective 2U storage and supports up to 12 3.5-inch SATA or SAS hard drives.
Posted: 04 Dec 2008 | Published: 04 Dec 2008
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Sharepoint E-zine Vol.4: Balancing SharePoint Governance
sponsored by SearchWinIT
WHITE PAPER: SharePoint has built-in features that allow site owners to create site maps without any custom coding at all.
Posted: 04 Dec 2008 | Published: 04 Dec 2008
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Open Storage or Revolutionizing the Storage Status Quo
sponsored by Sun Microsystems, Inc.
WHITE PAPER: This paper discusses the use of industry standard servers, with an abundance of CPU and memory as storage controllers by leveraging industry standard hardware and general purpose software to create a high performance storage architecture.
Posted: 02 Dec 2008 | Published: 27 Nov 2008
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Balancing System Cost and Data Value: With Sun StorageTek™ Tiered Storage Systems for Oracle® Transaction Processing Applications
sponsored by Sun Microsystems, Inc.
WHITE PAPER: This Sun BluePrints™ article demonstrates how to design tiered storage systems to meet specific RAS and data access requirements.
Posted: 02 Dec 2008 | Published: 27 Nov 2008
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Using RAID 6 on the SUN™ Storagetek™ 6140 Array Increasing Reliability for Storage Arrays
sponsored by Sun Microsystems, Inc.
WHITE PAPER: Using Sun StorageTek 6140 arrays with RAID 6 technology feature can provide enhanced reliability for applications with large data sets requiring both high performance and high availability.
Posted: 02 Dec 2008 | Published: 27 Nov 2008
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TOPICS:  Data Storage | Databases | NAS | RAID | SAN | VMware

Deploying Hybrid Storage Pools: With Sun Flash Technology and the Solaris ZFS™ File System
sponsored by Sun Microsystems, Inc.
WHITE PAPER: This Sun BluePrints™ article provides an overview of Flash technology, and discusses its introduction into a new tier of storage infrastructure.
Posted: 02 Dec 2008 | Published: 27 Nov 2008
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Complete Data Protection for VMware Virtual Infrastructure
sponsored by Hewlett-Packard Company
WHITE PAPER: This paper explores and outlines how to apply HP Data Protector 6.0/6.1 software and other key HP StorageWorks storage array technologies to manage and deploy an effective backup strategy in a VMware Virtual Infrastructure.
Posted: 01 Dec 2008 | Published: 27 Nov 2008
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Primary Storage Handbook: Part 2
sponsored by Ocarina Networks
WHITE PAPER: This article discusses the pros and cons of the many different techniques and methods used to optimize your company's primary storage.
Posted: 25 Nov 2008 | Published: 25 Nov 2008
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Primary Storage Handbook: Part 1
sponsored by Ocarina Networks
WHITE PAPER: This article discusses 6 requirements for deploying a primary storage optimization solution.
Posted: 25 Nov 2008 | Published: 25 Nov 2008
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Using VMware® ESX Server System and VMware Virtual Infrastructure for Backup, Restoration, and Disaster Recovery
sponsored by Hewlett-Packard Company
WHITE PAPER: VMware ESX Server System and VMware Virtual Infrastructure provides many different capabilities to improve these processes each with its own advantages and disadvantages.
Posted: 25 Nov 2008 | Published: 24 Nov 2008
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Disk Array Actuator: A Case for Self-Maintaining Array of Identical Disks
sponsored by Atrato, Inc.
WHITE PAPER: This paper compares the benefits and challenges involved with the development of high-density packaging, signaling, and management of hundreds of 2.5-inch small form factor disk drives.
Posted: 21 Nov 2008 | Published: 20 Nov 2008
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The Next Next Thing: Entering the 3rd Era of Commercial Computing
sponsored by SearchStorage.com
PRESENTATION: This document explains the 3rd Era of Commercial Computing and its characteristics.
Posted: 21 Nov 2008 | Published: 19 Nov 2008
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Making a Case for CAS - The Pros and Cons of Content-Addressable Storage
sponsored by SearchStorage.com
WHITE PAPER: This presentation explains Pros and Cons of Content-Addressable Storage.
Posted: 21 Nov 2008 | Published: 19 Nov 2008
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TOPICS:  CAS | NAS | OLTP | RAID | SAN

Online Backup and Recovery of Virtual Server Environments
sponsored by Iron Mountain Digital
WHITE PAPER: This paper outlines the use of LiveVault and VMware to achieve excellent data protection by leveraging the benefits of each technology.
Posted: 20 Nov 2008 | Published: 20 Nov 2008
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eGuide: How to Get Started with Data Deduplication
sponsored by Data Domain
WHITE PAPER: In this guide, you'll gain insight on the benefits of deduplication, as well as best practices to follow as you prepare to launch, or enhance, your data deduplication strategy.
Posted: 20 Nov 2008 | Published: 20 Nov 2008
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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 to 2012 as well as a discussion of assumptions and major market trends.
Posted: 19 Nov 2008 | Published: 19 Nov 2008
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Making Virtual Backups Real
sponsored by Diligent Technologies Corporation
WHITE PAPER: In this PowerPoint presentation Curtis Preston highlights tips to follow when getting involved in a storage virtualization project.
Posted: 18 Nov 2008 | Published: 18 Nov 2008
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Sharepoint E-zine Vol.4: Balancing SharePoint Governance
sponsored by AvePoint, Inc.
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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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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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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