Compaq 124708-001 - ProLiant Cluster - 1850 White Paper
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Compaq 124708-001 - ProLiant Cluster - 1850 White Paper

Compaq 124708-001 - ProLiant Cluster - 1850 White Paper

New advanced raid level for today's larger storage capacities: advanced data guarding
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Download this manual See also: Software User Manual, White Paper
White Paper
October 2000
13JE-1000A-WWEN
Prepared by Storage Products
Group
Compaq Computer Corporation
Contents
Introduction..................................2
solution.......................................3
Benefits ......................................3
Choosing a RAID level ................5
RAID ADG..................................6
Summary ......................................6
Notice............................................7
New Advanced RAID Level for
Today's Larger Storage Capacities:

Advanced Data Guarding

Abstract: The purpose of this paper is to communicate the
advantages of utilizing Compaq's new RAID innovation, Advanced
Data Guarding (ADG).
RAID ADG provides a new level of fault protection at a high level of
capacity utilization. Designed to be first supported on the Smart
Array 5300 Controller, RAID ADG is ideal for applications
requiring larger storage volumes, delivering a powerful fault tolerant
solution at a lower implementation price.
Every Compaq server customer implementing an array with 8 or
more hard disk drives should consider this new RAID level.
This innovative Compaq solution for the Smart Array 5300 is patent pending
and is not a feature of competitors' PCI RAID products.

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Summary of Contents for Compaq 124708-001 - ProLiant Cluster - 1850

  • Page 1: Table Of Contents

    Every Compaq server customer implementing an array with 8 or more hard disk drives should consider this new RAID level. This innovative Compaq solution for the Smart Array 5300 is patent pending and is not a feature of competitors’ PCI RAID products.

  • Page 2: Introduction

    With this in mind, larger capacity disk drives present new risks due to longer drive rebuild times. Compaq’s new Advanced Data Guarding reduces the risk of an array failure and requires far less storage capacity overhead than RAID 1.

  • Page 3: What Customers Can Expect From Compaq Raid Adg Solution

    Some customers’ needs now require a fault tolerance scheme that would provide higher reliability than RAID 5 at a lower cost than RAID 1. Compaq recognized these customers’ needs for high capacity RAID protection on a single storage array that could span a large number of disks.
  • Page 4 New Advanced RAID Level for Today's Larger Storage Capacities: RAID ADG provides greater fault tolerance With growing numbers of individual disk drives needed in a single logical volume on a single controller, RAID ADG provides higher data reliability than previously available from a RAID storage provider.

  • Page 5: Choosing A Raid Level

    New Advanced RAID Level for Today's Larger Storage Capacities: Choosing a RAID level Customers should consider a variety of factors when choosing which RAID level best suited for their needs. These factors include: 1. Capacity utilization and budget; 2. Availability and Uptime requirements; and 3.

  • Page 6: When Customers Should Use Raid Adg

    RAID level. This innovative Compaq solution for today’s large storage capacities is not provided by any other competitor. Note: RAID ADG is standard with the Compaq Smart Array 5304/128 and will be sold as an option with Smart Array models 5302/64 and 5302/32. RAID ADG will be available in 1Q/2001.

  • Page 7: Notice

    Microsoft and Windows NT are trademarks of Microsoft Corporation. All other product names mentioned herein may be trademarks of their respective companies. Compaq shall not be liable for technical or editorial errors or omissions contained herein. The information in this document is subject to change without notice.
  • Page 8 New Advanced RAID Level for Today's Larger Storage Capacities: 13JE-1000A-WWEN...

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