HP ProLiant CL380 New Advanced RAID Level for Today's Larger Storage Capacitie
HP ProLiant CL380 Manual
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- HP ProLiant CL380 | New Advanced RAID Level for Today's Larger Storage Capacitie - Page 1
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 - HP ProLiant CL380 | New Advanced RAID Level for Today's Larger Storage Capacitie - Page 2
providing increased performance and fault tolerance. Currently, Compaq offers very reliable RAID systems with the family of Smart Array Controllers that support RAID 0, 1, 0+1, and 5. For customers who wish to create large logical drives with a high number of disk drives or high capacity disk drives - HP ProLiant CL380 | New Advanced RAID Level for Today's Larger Storage Capacitie - Page 3
that could span a large number of disks. Customers can now complete their server/storage solution with a Compaq innovation - Advanced Data Guarding 1 or RAID 5 ✔ Lower implementation cost than RAID 1 ✔ Supports Online Spare Drive ✔ Supports Online RAID Level Migration from RAID 1 or RAID 5 1 A - HP ProLiant CL380 | New Advanced RAID Level for Today's Larger Storage Capacitie - Page 4
fail if two physical drives fail. • With RAID 1 or 0+1, the maximum number of hard drives that can fail without failure of the logical dive is n/2. fail before data loss is incurred. Figure 1. RAID ADG Fault Tolerance Comparison Total number of physical drives 1 1% 6 11 16 21 26 31 36 41 46 51 - HP ProLiant CL380 | New Advanced RAID Level for Today's Larger Storage Capacitie - Page 5
New Advanced RAID Level for Today's Larger Storage Capacities: 5 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 - HP ProLiant CL380 | New Advanced RAID Level for Today's Larger Storage Capacitie - Page 6
User Manual for more detailed information. Summary With RAID ADG, the new Compaq exclusive and advanced RAID level, customers are provided with a capacity utilization that is ideal for large capacity logical drives. Every Compaq server customer implementing RAID volumes with 8 or more hard disk - HP ProLiant CL380 | New Advanced RAID Level for Today's Larger Storage Capacitie - Page 7
Document number or part number] © 2000 Compaq Computer Corporation COMPAQ and the Compaq logo, Registered U.S. Patent and Trademark Office. ProLiant is a trademark of Compaq Information Technologies Group, L.P. Microsoft and Windows NT are trademarks of Microsoft Corporation. All other product names - HP ProLiant CL380 | New Advanced RAID Level for Today's Larger Storage Capacitie - Page 8
New Advanced RAID Level for Today's Larger Storage Capacities: 8 13JE-1000A-WWEN
White Paper
October 2000
13JE-1000A-WWEN
Prepared by Storage Products
Group
Compaq Computer Corporation
Contents
Introduction
..................................
2
What customers can expect
from Compaq
RAID ADG
solution
.......................................
3
RAID ADG Features and
Benefits
......................................
3
Choosing a RAID level
................
5
When customers should use
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.