Sony VGC-RA837GY VAIO User Guide - Page 106

RAID Glossary, Application Accelerator RAID edition IAA - drivers

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RAID Glossary This glossary contains some basic terms that may aid your understanding of RAID technology. Term Definition Array host computer. Two or more hard disk drives that are grouped together and function as a single drive to the Fault tolerance failed. The ability of a computer to continue its function, even after one or more hard disk drives have Intel® Application Accelerator RAID edition (IAA) Software program that replaces the original ATA drivers provided with the Microsoft® Windows® operating system. The IAA replacement drivers are optimized for computers using certain Intel® chipsets. Logical drive Two or more hard disk drives that are grouped together so that they appear and function as a single or logical drive to the host computer. Mirrored/Mirroring protection. All data on a primary hard disk drive is duplicated on a secondary drive, to provide data Parity A type of data protection that uses verification to detect errors in data. Physical drive The actual hard disk drive. RAID An acronym for "Redundant Array of Independent Disks". This method of combining small, inexpensive hard disk drives offers advantages for data availability, equipment cost, and system performance. RAID-0 See "Striped/Striping" RAID-1 See "Mirrored/Mirroring" Redundant (Information Technology use) Additional computer components, such as hard disk drives, that are installed to back up the primary resources in case of failure. S-ATA An acronym for "Serial Advanced Technology Attachment." This is a standard that uses serial signaling technology and is used for connecting hard disk drives into computers. Striped/Striping is no data protection. Data is spread evenly over multiple hard disk drives for improved system performance. There Page 106

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RAID Glossary
This glossary contains some basic terms that may aid your understanding of RAID technology.
Term
Definition
Array
Two or more hard disk drives that are grouped together and function as a single drive to the
host computer.
Fault tolerance
The ability of a computer to continue its function, even after one or more hard disk drives have
failed.
Intel
®
Application Accelerator RAID edition (IAA)
Software program that replaces the original ATA drivers provided with
the Microsoft
®
Windows
®
operating system. The IAA replacement drivers are optimized for computers using certain Intel
®
chipsets.
Logical drive
Two or more hard disk drives that are grouped together so that they appear and function as a
single or logical drive to the host computer.
Mirrored/Mirroring
All data on a primary hard disk drive is duplicated on a secondary drive, to provide data
protection.
Parity
A type of data protection that uses verification to detect errors in data.
Physical drive
The actual hard disk drive.
RAID
An acronym for "Redundant Array of Independent Disks". This method of combining small,
inexpensive hard disk drives offers advantages for data availability, equipment cost, and system performance.
RAID-0
See "Striped/Striping"
RAID-1
See "Mirrored/Mirroring"
Redundant
(Information Technology use)
Additional computer components, such as hard disk drives, that are installed to back
up the primary resources in case of failure.
S-ATA
An acronym for "Serial Advanced Technology Attachment." This is a standard that uses serial
signaling technology and is used for connecting hard disk drives into computers.
Striped/Striping
Data is spread evenly over multiple hard disk drives for improved system performance. There
is no data protection.
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