HP EliteBook 8460p RAID - Windows 7 - Page 8

RAID technology overview, RAID LEVELS, Function/Applications, Advantages/Disadvantages - docking station

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RAID LEVELS RAID IRRT Function/Applications Advantages/Disadvantages Applications: ● Accounting ● Payroll ● Financial Function: Disadvantages: Only half of the total drive capacity can be used for storage. Storage space may be wasted if the capacities of the primary and recovery HDDs are different (see HP SATA drive option kits on page 6). Advantages: Identical (mirrored) data is Provides high fault stored on two drives. tolerance. Boosts the functionality of RAID 1 with valuable features. Users can choose to mirror data continuously or on request. Applications: Any application that requires a simple data protection method. Data recovery is quick and easy. Allows hot-plugging of mirrored drive (with eSATA or docking station HDD). Enables easy migration to non-RAID. Disadvantages: Only half of the total drive capacity can be used for storage. Storage space may be wasted if the capacities of the primary and recovery HDDs are different. 4 Chapter 2 RAID technology overview

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RAID LEVELS
Function/Applications
Advantages/Disadvantages
Applications:
●
Accounting
●
Payroll
●
Financial
Disadvantages:
Only half of the total drive
capacity can be used for
storage.
Storage space may be wasted
if the capacities of the primary
and recovery HDDs are
different (see
HP SATA drive
option kits
on page
6
).
RAID IRRT
Function:
Identical (mirrored) data is
stored on two drives.
Boosts the functionality of
RAID 1 with valuable
features.
Applications:
Any application that requires a
simple data protection
method.
Advantages:
Provides high fault
tolerance.
Users can choose to mirror
data continuously or on
request.
Data recovery is quick and
easy.
Allows hot-plugging of
mirrored drive (with eSATA
or docking station HDD).
Enables easy migration to
non-RAID.
Disadvantages:
Only half of the total drive
capacity can be used for
storage.
Storage space may be wasted
if the capacities of the primary
and recovery HDDs are
different.
4
Chapter 2
RAID technology overview