A number of inexpensive ATA
RAID controllers work well under Linux.
More information about ATA RAID compatibility is available at the following sites:
http://linuxmafia.com/faq/Hardware/sata.html
http://ibiblio.org/pub/Linux/docs/HOWTO/other-formats/html_single/
Hardware-HOWTO.html#IDERAID
Higher-end servers will, of course, require more expensive hardware. In applications such as mail
servers where you will have a lot of disk activity, plan on splitting the disk-intensive tasks across
multiple arrays. When it comes to CPU and RAM, more of both is good, but most applications
benefit more from extra RAM than they do from multiple CPUs.
Running the Installer
To install Debian from the Debian network install CD, you need an Internet connection. After you
have installed the base system and done some system configuration, most of the software you
choose to install is downloaded from an online Debian repository.
Before you begin installing Debian to your hard disk, be sure to back up any data that is
important to you. A simple mistake during partitioning can result in your losing some or
all of your data. Refer to Chapter 7 for information on disk partitioning. It can help you decide how
to divide up your hard disk or even resize existing disk partitions to make room for the new Debian
installation.
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