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RAID

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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, Disk Arrays
DEFINITION: Double-parity RAID (redundant array of independent disks), also called diagonal-parity RAID, Advanced Data Guarding (RAID_ADG), or RAID-6, is a method of protecting against multiple storage drive failures by creating two sets of parity data on an array of hard disks. In a conventional RAID, data is stored in different places on multiple hard disks, thereby increasing the aggregate mean time between  … 
Definition continues below.
RAID White Papers (View All Report Types)
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Enhanced Backup
sponsored by Quantum Corporation
WHITE PAPER: This paper covers a number of issues that must be considered when evaluating the use of disk in a backup architecture.
Posted: 12 Jan 2004 | Published: 01 Apr 2003

Quantum Corporation

Why Do We Like the Quantum DX30 so Much?
sponsored by Quantum Corporation
WHITE PAPER: Dorian Cougias, CEO of Network Frontiers and the author of "The Backup Book: Data Protection from Desktop to Data Center" discusses the pros and cons of disk-based backup technologies.
Posted: 20 Aug 2003 | Published: 01 Aug 2003

Quantum Corporation

Enhanced Backup: Why Quantum DX30?
sponsored by Quantum Corporation
WHITE PAPER: The job of the Quantum DX30 is to provide enhanced backup protection to the vast majority of those business applications that cannot justify being re-engineered for mirroring and/or remote replication.
Posted: 27 Feb 2003 | Published: 01 Jan 2003

Quantum Corporation

Enhanced Backup Solution
sponsored by Quantum Corporation
WHITE PAPER: The scope of the digital data protection challenge faced by most organizations will continue to grow as an increasing percentage of the data these organizations depend upon is digitally originated.
Posted: 26 Jan 2003 | Published: 02 May 2002

Quantum Corporation
126 - 129 of 129 Matches Previous Page    4 5 6    Next Page
 
RAID DEFINITION (continued): …  failures (MTBF) and improving the fault-tolerance. In the approach known as RAID-4, the number of bits in data blocks on multiple disks is added up, and the total is kept on a disk called the parity disk. If a drive fails, data recovery is facilitated by using the bits stored on the parity disk and bits remaining on the surviving drives. In RAID-5, the parity information is stored diagonally across all the disks in the RAID set. If a single drive fails, the original data is calculated from the parity information remaining on the surviving disks in the set.Because hard disk storage capacity continues … 
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