This soft copy for use by IBM employees only.

RAID Arrays and Logical Drives

Remember, when using drives attached to an IBM RAID controller, the physical drives are combined into a RAID array. Within this array, you can specify how much of the total available (drive array) disk space will be assigned to a certain RAID level (RAID-0, -1 or -5). This particular disk space is called a logical drive. However, this logical drive is presented by the RAID controller as a single disk drive to Windows NT. This (logical) drive needs to be partitioned and formatted in the same fashion as any other disk drive.

￿

 

 

 

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Windows NT Server Setup

 

 

 

 

=======================

 

 

 

Setup has Determined that your

computer′ s startup hard disk is new

 

or has been erased,

or that an operating system is installed on your

 

computer with which

Windows NT cannot coexist.

 

If such an operating system is installed on your computer; continuing

 

Setup may damage or

destroy it.

 

 

If the hard disk is new or has been erased, or you want to discard its current contents, you can choose to continue Setup.

* To continue Setup, press C. Warning: Any data currently on your computer′ s startup hard disk will be permanently lost.

* To exit Setup, press F3.

 

C=Continue Setup

F3=Exit

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￿

Figure 63. Unformatted or Unsupported Operating System Already Installed

Setup displays the Windows NT Licensing Agreement. Please read it carefully and make sure you do not violate any terms or conditions of this licensing agreement. Use the Page Down key to scroll through the licensing conditions and press F8 to comply and to continue with the NT 4.0 installation.

5.3.6 Basic Configuration and HAL Options

The next panel shown in Figure 64 on page 90 is where you define the basic configurations of your server. For example at this point you can choose to install your server as either a uni- or multiprocessor system. You can also specify what kind of display is attached, the type of keyboard, its layout, and so on.

Each option may be selected and modified according to the type and configuration of your server.

Chapter 5. Installing Windows NT Server 4.0 89

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IBM SG24-4763-00 manual Basic Configuration and HAL Options, RAID Arrays and Logical Drives