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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 Reports
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Price and Performance Leadership for OEMs
sponsored by Dell, Inc.
PODCAST: This podcast discusses the use of storage and flash arrays that provide OEMs with fast and simple customization to meet product development needs. Tune in to learn how leveraging your data can help you create a competitive advantage for your enterprise and grow your revenue and margins.
Posted: 28 Sep 2015 | Premiered: Sep 28, 2015

Dell, Inc.

Price & Performance Leadership for OEMs
sponsored by Dell, Inc.
VIDEO: This video discusses the use of storage and flash arrays that provide OEMs with fast and simple customization to meet product development needs. Watch now to see how you can leverage your data to create a competitive advantage for your enterprise and grow total revenue and margins.
Posted: 28 Sep 2015 | Premiered: 28 Sep 2015

Dell, Inc.

Product Comparison: Dell Storage SCv2000 Series
sponsored by Dell, Inc.
WHITE PAPER: This detailed document compares the features of Dell's storage arrays, the SCv2000 series, and how they can help protect your data and improve data capacity and performance. Read on to see which storage solution best suits your enterprise's needs.
Posted: 17 Sep 2015 | Published: 17 Sep 2015

Dell, Inc.

An Introduction to IBM Spectrum Scale
sponsored by IBM
WHITE PAPER: Access this white paper to learn about a software-defined storage system that successfully manages big data and solves storage complexities.
Posted: 01 Apr 2015 | Published: 28 Feb 2015


Explore Your Solid-State Storage Options
sponsored by TechTarget
RESOURCE: It's commonly known that there is no one-size-fits-all approach to all-flash arrays. With many routes to choose from picking the right one for deploying solid state storage can be overwhelming. Get an expert look by downloading our e-guide, Navigate the Complex World of All-Flash Arrays, after completing a SSD/Flash Survey.
Posted: 08 Oct 2014 | Published: 18 Mar 2014


35-Page Special Report: A Complete Guide to Enterprise All-Flash Arrays
sponsored by TechTarget
RESOURCE: Are you one of the many who are jumping on the all-flash bandwagon this year, or considering it for the future? Participate in our new SSD research program to tell us about your upcoming SSD purchasing plans and get access to our Special Report: A Complete Guide to Enterprise All-Flash Arrays for tips on how to get the most from your investment.
Posted: 18 Mar 2014 | Published: 18 Mar 2014


The Unofficial Official VCAPS5-DCA Study Guide
sponsored by Veeam Software
EGUIDE: Take a look at this extensive study guide to find the answers to any questions you may have about these IT technologies.
Posted: 15 Jan 2014 | Published: 15 Jan 2014

Veeam Software

Data Protection: Protect Physical, Virtual, and Cloud Environments
sponsored by Dell, Inc.
WHITE PAPER: This informative paper examines a data protection solution that's built for today's IT and can help you get back up and running after system downtime ASAP. Read on to learn more.
Posted: 19 Nov 2013 | Published: 31 May 2013

Dell, Inc.

Top 10 Backup Challenges and Expert Recommendations to Address Them
sponsored by
EGUIDE: Access this expert eGuide to learn about the backup challenges that companies struggle with today, and how to address them.
Posted: 12 Nov 2013 | Published: 12 Nov 2013

Making Complex Storage Systems Simpler
sponsored by IBM
WHITE PAPER: Access this white paper to learn about an easy to use complex storage system that increases capacity, performance, and scalability.
Posted: 01 Apr 2015 | Published: 01 Apr 2015


Faster DB2 Performance with IBM FlashSystem
sponsored by CDW and IBM
WHITE PAPER: This IBM® Redbooks® Solution Guide provides an overview of IBM FlashSystem™ running in a DB2® environment with a focus on performance and the benefits gained from running DB2 with Flash storage.
Posted: 09 May 2014 | Published: 09 May 2014


Capabilities of leading RAID storage system may surprise you
sponsored by Dot Hill Systems Corp.
WHITE PAPER: SUSE needed a new storage infrastructure to accommodate over 80TB of data to host its core SUSE Linux Enterprise internal development environment. This case study illustrates how SUSE utilized one storage solution to address these issues and, in turn, reaped the many benefits.
Posted: 07 May 2014 | Published: 31 Dec 2012

Dot Hill Systems Corp.

Storage at the Speed of Wall Street
sponsored by IBM
WHITE PAPER: This white paper highlights the features of flash storage that can help organizations stay up to speed in the financial industry. Read on to get a better sense of the benefits of flash storage, and the obstacles to avoid when selecting potential arrays.
Posted: 23 Apr 2014 | Published: 23 Apr 2014


The Road to Better Storage: Keep Up with Data Growth
sponsored by IBM
WHITE PAPER: This white paper showcases a comprehensive approach to meeting today's demanding storage needs. Discover how this innovative solution can give you the right combination of more and less to meet the needs of data and storage growth – while minimizing budgets and resources.
Posted: 14 Apr 2014 | Published: 23 Oct 2013


Achieving Five-9's Availability
sponsored by Dot Hill Systems Corp.
WHITE PAPER: This white paper describes the stringent quality and measurement procedures that ensure maximum uptime.
Posted: 09 Apr 2014 | Published: 11 Jan 2012

Dot Hill Systems Corp.

The Past, Present, and Future of RAID Data Protection
sponsored by
EBOOK: In this handbook on the past, present and future of RAID data protection, learn which RAID data protection options are viable today, which ones make sense for your shop, and how RAID can be replaced and improved upon.
Posted: 22 Nov 2013 | Published: 22 Nov 2013

Coffee Break: Embracing Tiered Storage
sponsored by Dell, Inc.
WHITE PAPER: In this brief white paper, you will discover tiering strategies that have emerged as an indispensable tool to cost-effectively harness the massive data growth.
Posted: 13 Nov 2013 | Published: 13 Nov 2013

Dell, Inc.

Tiered Storage: Definitions, Deployment, Options, and Guidelines for Getting Started
sponsored by SageCloud
EGUIDE: This expert e-guide examines various definitions and interpretations of tiered storage and presents an overview of its key benefits, challenges, and deployment options.
Posted: 21 Oct 2013 | Published: 21 Oct 2013


Expert Considerations for Purchasing Data Storage Equipment
sponsored by Load DynamiX
EGUIDE: In this expert e-guide, Jon Toigo, CEO and managing principal of Toigo Partners International and chairman of Data Management Institute, explains why we need to start testing gear again and explores the latest storage validation advances and additions to the market.
Posted: 17 Sep 2013 | Published: 17 Sep 2013

Load DynamiX

Object Storage: Raid Vs. Erasure Coding
sponsored by Cleversafe
EGUIDE: This e-guide follows the evolution of erasure coding and explains how it fits into conversations around object storage. Hear from your peers that have implemented this technology and access other key takeaways from the year's Storage Networking World.
Posted: 13 Sep 2013 | Published: 13 Sep 2013


Big Data Storage Architecture: Categories, Strengths and Use Cases
sponsored by Cray
EGUIDE: Check out this expert e-guide to explore today's best storage architectures built for big data. Read on to learn more about how distributed nodes, scale-out NAS, SSD arrays and object-based storage can all help conquer the challenges of big data.
Posted: 12 Sep 2013 | Published: 12 Sep 2013


Expert Comparison of 7 Storage Efficiency Methods
sponsored by AdvizeX Technologies
EGUIDE: This expert e-guide describes the fundamentals of storage efficiency and compares the performance, capacity and costs of seven efficiency methods.
Posted: 04 Sep 2013 | Published: 04 Sep 2013

AdvizeX Technologies

Software-Defined Storage: Concept, Benefits, and Key Players
sponsored by CloudByte
EGUIDE: This e-guide explores the concept and key characteristics of software-defined storage and points out the cost and scalability benefits it can provide, particularly in virtual infrastructures.
Posted: 30 Aug 2013 | Published: 30 Aug 2013


Measuring Storage Performance to Better Predict Your Storage Needs
sponsored by CloudByte
WHITE PAPER: Get help measuring the performance of your software-based storage and traditional hardware-based storage to better predict your current and future storage needs.
Posted: 14 Aug 2013 | Published: 14 Aug 2013


Re-enforcing a Reduced IT Infrastructure Model with High Availabilty
sponsored by LSI Corporation.
WHITE PAPER: Do you want an affordable, advanced storage clustering solution with high availability? Discover how you can use LSI Syncro CS solution at a low-cost that is even simpler-to-deploy.
Posted: 19 Jul 2013 | Published: 31 May 2013

LSI Corporation.
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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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