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GNR-3000 System Administrator's Manual
Get the Hard Disks Ready for Recording
GNR supports flexible storage system of up to four hard disks. Thanks to the built-in software
RAID (Redundant Array of Independent Disks) provided by Windows Embedded 7 operating
system, the installed hard disks can be configured to one or more arrays for the following
benefits:
The hard disks can appear as a one single volume of large storage size.
User gets to define how the data is stored regarding protection against the physical failure of
one or more hard disks.
Increase the speed of writing and reading data.
The software RAID task of Windows runs on the computer's CPU, requiring no extra hardware
attached to the computer, which saves you much cost and effort on installation. In addition, as
Windows configures the arrays at the disk volume level, a disk is not necessary to serve only
one array, and you can make full use of its unmatched disk space to make another array.
There are several types of software RAID configurations available in Windows, and it is good
to know whichever RAID type is suitable for your system. After reading through this chapter,
you will be able to choose suitable RAID type for your video surveillance project and get the
storage disks ready for recording.
Please note that, Windows refers to a single accessible storage file system as Volume instead
of RAID, and the creation of software RAIDs is carried out during the process of making
volumes. When you make the volumes with Disk Management utility (please refer to Start
Creating Disk Volumes on page 28), your selection of Volume Type will correspond to a
specific RAID type. Please note that RAID-5 configuration is available on Windows 2003
Server, or similar operating system.
Windows Volume Types
RAID
Windows
Type
Volume Type
Simple
--
Volume
It is the most basic method to make the available space on a single
disk a volume; you can create more than one volumes on a single
disk to make the most use of the disk capacity.
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