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Second hard drive in RAID group
Redundant ArrayofIndependen tDisksRAID
The upgrade level of your device governs whether or not you c an use a second hard disk.
Removal and installation of a second hard disk must only be performed by
authorised service partners o f Fujitsu Technology Solutions GmbH. Unauth orised
removal and installation will invalidate y our warranty.
You will find further information and the addre sses of our service partners
on the Internet under "http://ts.fujitsu.com/support".
RAID (Redundant Array of Independent Disks, also: Disk Array) is a procedu re for
combining two hard disks to create a logical unit.
A Disk Array can be used advantageously to improve the da ta access rate or
alternatively to improve the error tolerance (data protection).
Error tolerance is facilitated by means of data redundancy. If one drive malfunctions,
a different drive contains an exact copy of t he data. This can prevent an operating
system from malfunctioning or data from being lost.
The operating system detects a ll hard disks in a disk array as a single physical
hard disk. The individual disk drives in a disk array are ca lled "members". Member
configuration informa tion is recorded in the reserved sector of the hard disk. With this
information the hard disk can be identified as a member.
There are usually a few methods by which hard disks can be combined. These methods
are referred to as different RAID levels. The different RAID levels represent different
performance and security levels as well as implementation costs.
If you have bought a device with two hard disks, please note that in the
delivery state a R AI D group is not already set up.
Depending on the size of the hard disk, the process for combining t wo
hard drives to create a RAID group can take s everal hours. During this
time period, your screen will turn black.
For further informa tion regarding the configuration of your RAID systems, please
see the Help function o f you r Intel® Matrix Storage Manager Program.
Intel
®
Call up Matrix Storage Manager and Help function
To call up the Intel
®
Matrix Storage Manager program and the Help function, proceed as follows:
► Select Start - All Pro grams - Intel
®
Matrix Stora ge Manager - Intel
®
Matrix Storage Manager Console.
The programme is started.
► In the upper menubar, click o n Help.
► Select Contents and Index.
The Help function for the Intel
®
Matrix Sto rage Manager program is called up.
6 - English 10601078868, edition 1
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