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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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Storage Economics Podcast: Ideas and Tactics to Reduce Storage Total Cost of Ownership
sponsored by Hitachi Data Systems
PODCAST: David Merrill, Chief Storage Economist at Hitachi Data Systems, discusses concepts and principles around storage TCO, ideas and tactics to reduce the cost of your storage architecture, and what the analysts are saying about storage...
Posted: 29 Dec 2008 | Premiered: 24 Dec 2008
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VMWare/Dell EQL Simple, Affordable, Integrated Disaster Recovery and Data Protection for Virtual Infrastructures
sponsored by Dell, Inc.
WEBCAST: Virtualized iSCSI SANs are increasingly being chosen for virtual datacenter deployments because they help simplify storage management and overcome performance, scalability and cost barriers of traditional SAN architectures.
Posted: 02 Dec 2008 | Premiered: Available On Demand
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Simple, Affordable Disaster Recovery Automation in the Virtualized IT Datacenter
sponsored by Dell, Inc.
WEBCAST: Virtualized iSCSI SANs are increasingly being chosen for virtual data center deployments because they help simplify storage management and help overcome performance, scalability and cost barriers of traditional SAN architectures.
Posted: 02 Dec 2008 | Premiered: Available On Demand
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Maximizing the Benefits of Virtualization with Dell and Citrix
sponsored by Dell, Inc.
WEBCAST: Join us for this live eSeminar to learn important considerations in your virtualized server and storage environments.
Posted: 02 Dec 2008 | Premiered: Available On Demand
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Taking Your IT Consolidation to the Next Step with VMware, HP and Intel
sponsored by VMware, Inc.
WEBCAST: Virtualization allows you to pool and share your IT resources to reduce costs, simplify your IT environment and increase business agility.
Posted: 25 Nov 2008 | Premiered: Available On Demand
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Comprehensive Data Protection and Disaster Recovery
sponsored by Dell, Inc.
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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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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HP StorageWorks All-in-One Systems
sponsored by Hewlett-Packard Company
WEBCAST: Manage, grow and protect your expanding data storage environment with HP's radically simple, affordable, and reliable network storage solutions for smaller IT environments.
Posted: 08 Sep 2008 | Premiered: Available On Demand
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Best Practices: Implementing Advanced Backup to Disk Solutions
sponsored by Hewlett-Packard Company
WEBCAST: Advancements in technology and price reductions have made it possible to use disk together with tape to improve data protection. Read this white paper to learn how to implement this technology into your organization and the benefits that can be realized.
Posted: 20 Mar 2008 | Premiered: Available On Demand
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Simplifying IT with IP Storage Consolidation: Changing the Economics of Storage
sponsored by Dell, Inc.
WEBCAST: This Webcast explores ways to simplify IT through the use of IP storage consolidation solutions. Learn how you can consolidate your storage without the cost and complexity of Fibre Channel.
Posted: 28 Nov 2007 | Premiered: Available On Demand
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StoreVault Solutions for under $3000
sponsored by StoreVault, a Division of NetApp
WEBCAST: At long last, the StoreVault Division offers products and solutions that start as low as $3000! Use datacenter-proven technology to protect and improve your infrastructure, without destroying your budget.
Posted: 16 Oct 2007 | Premiered: Available On Demand
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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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