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24 RAID and Disk Management

Software RAID

If your system is preconfigured with software RAID 5, the system performs a RAID synchronization to

optimize the array. The process runs in the background and may affect your overall system performance

until it completes. If the system is powered off before the process completes, RAID synchronization will

begin again when the system is powered up and continue until it completes.

Table 3-1 provides information about the supported RAID configurations.

Disk Management

Windows Storage Server 2003 R2 x64 Edition With SP2 features the Disk Management utility, which

enables you to configure your storage devices and the logical volumes contained in your system.

The Disk Management utility displays storage configuration in list and graphical views. The list view

shows a list of all the physical devices and their properties. The graphical view shows your storage as

logical volumes. Each view provides menus of commands for configuring and managing your system storage.

This section describes how to use the Windows Disk Management tool to manage basic and

dynamic volumes.

Initializing a Disk

When you create a virtual disk and perform a rescan in a hardware RAID or external storage configuration

or when a new disk is discovered on a system with a software RAID configuration, the disk appears with

the statement Disk Type of Unsigned Disk. An unsigned disk cannot be used until it is initialized.

To initialize a disk, right-click the unsigned disk. A menu displays showing the Initialize Disk command.

(The Initialize Disk command appears only if a disk does not include a signature.) Select this command

to write a signature on the disk.

After a signature is written on a disk, the disk displays as a Basic Disk. You can create partitions on the

basic disk, or you can upgrade the disk from basic to dynamic and create volumes on the disk.

NOTE: In hardware RAID configurations, the operating system disk must remain a basic disk. However, you can

upgrade all data disks to dynamic during creation by using the Windows Disk Management utility.

Table 3-1. Software RAID Configurations

RAID Configuration Configuration Unpartitioned Space

RAID 1 Two system hard drives

8 GB operating system partition

40 MB

RAID 5 Four hard drives

8 GB operating system partition

Varies depending on drive capacity

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 ... 57 58

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